PVG 32 Proportional Valve Groups

Transcription

PVG 32
Proportional Valve
Groups
Technical
Information
PVG 32 Proportional Valve Group
Technical Information
Revision History
Table of revisions
Date
Jun 2010
Dec 2010
Nov 2011
Literature Reference
Page
69
80
All
Changed
Code numbers changed
New back cover
Major update
Rev
GD
GE
HA
Literature reference for PVG products
Title
PVG 32 Metric ports
PVG 100
PVG 120
PVBZ
PVSK
PVED-CC
PVED-CX Series 4
PVE Series 4
Type
Order number
11051935
520L0720
520L0356
520L0721
520L0556
520L0665
11070179
520L0553
© 2011 Sauer-Danfoss. All rights reserved.
Sauer-Danfoss accepts no responsibility for possible errors in catalogs, brochures and other printed material.
Sauer -Danfoss reserves the right to alter its products without prior notice. This also applies to products already
ordered provided that such alterations can be made without affecting agreed specifications. All trademarks
in this material are properties of their respective owners. Sauer-Danfoss, the Sauer-Danfoss logotype, the
Sauer-Danfoss S-icon, PLUS+1™, What really matters is inside® and Know-How in Motion™ are trademarks of the
Sauer-Danfoss Group.
Frontpage: F301302, F301306, F301056, Drawing 157-195.
2
520L0344 • Rev HA • Nov 2011
Contents
General Information
General................................................................................................................................................................ 7
Accessories........................................................................................................................................................ 8
Rated Pressure......................................................................................................................................8
Remote control units................................................................................................................................ 8
Actuation modules.................................................................................................................................... 8
Safety in Application
Building in Safety............................................................................................................................................ 9
FMEA (Failure Mode and Effect Analysis) IEC EN 61508............................................................... 9
Hazard and Risk Analysis ISO 12100-1 / 14121............................................................................... 9
Control System Example.............................................................................................................................10
PVG32 – Mainly used in system with fixed displacement pumps..........................................12
PVG100 – Alternative LS dump or pilot supply disconnect......................................................12
PVG120 – Pump disconnect/block for variable pumps.............................................................12
General Information
Load Sensing Open Circuit System.........................................................................................................13
Pictorial circuit diagram...................................................................................................................13
Pressure Compensated Controls.............................................................................................................14
Pressure compensated system characteristics..............................................................................14
Typical applications for pressure compensated systems..........................................................14
Typical operating curve....................................................................................................................14
Simple closed-center circuit............................................................................................................14
Remote Pressure Compensated Controls.............................................................................................15
Remote pressure compensated system characteristics.............................................................15
Typical applications for remote pressure compensated systems..........................................15
Closed center circuit with remote PC............................................................................................15
Load Sensing Controls.................................................................................................................................16
Load sensing circuit...........................................................................................................................16
Load sensing system characteristics.................................................................................................17
Function
PVG 32 with Open Centre PVP • PVB with Flow Control Spool ....................................................18
PVG 32 with Closed Centre PVP • PVB with Flow Control Spool...................................................18
PVG 32 Sectional View.................................................................................................................................19
PVG 32 Sectional Drawing...............................................................................................................19
PVPC Plug for External Pilot Oil Supply.................................................................................................20
PVPC with check valve for open centre PVP..................................................................................20
Hydraulic diagram.............................................................................................................................20
PVPC without check valve for open or closed centre PVP........................................................21
Hydraulic diagram.............................................................................................................................21
PVMR, Friction Detent..................................................................................................................................22
PVMR.....................................................................................................................................................22
PVMF, Mechanical Float Position Lock...................................................................................................22
PVMF.....................................................................................................................................................22
PVBS, Main Spools for Flow Control (Standard).................................................................................23
PVBS, Main Spools for Flow Control (with Linear Characteristic).................................................23
PVBS, Main Spools for Pressure Control................................................................................................23
PVPX, Electrical LS Unloading Valve.......................................................................................................24
Fast Unloader - Minimize System Pressure Peaks........................................................................24
520L0344 • Rev HA • Nov 2011
3
Contents
Technical Data
PVG 32 Valve Group......................................................................................................................................25
Technical data for PVG 32 and PVPX.............................................................................................25
PVH, Hydraulic Actuation...........................................................................................................................26
PVM, Mechanical Actuation.......................................................................................................................26
Technical data for PVH.....................................................................................................................26
Technical data for PVM.....................................................................................................................26
PVE Technical Data........................................................................................................................................27
Technical data for PVEO and PVEM...............................................................................................27
Reaction time PVEO and PVEM......................................................................................................27
Technical data for PVEA, PVEH and PVES.....................................................................................28
Reaction time......................................................................................................................................28
Oil consumption PVEO and PVEM.................................................................................................29
Oil consumption PVEA, PVEH and PVES.......................................................................................29
Ambient temperature.......................................................................................................................29
PVPX, Electrical LS Unloading Valve.......................................................................................................30
Technical data for PVPX...................................................................................................................30
PVEA/PVEH/PVES, . .......................................................................................................................................31
Connection to Fault Monitoring Output...............................................................................................31
PVHC Electrical Actuation
Function............................................................................................................................................................32
Hydraulic Actuation......................................................................................................................................32
Features............................................................................................................................................................32
Input-Output Relation.................................................................................................................................33
Connections....................................................................................................................................................33
Temperature range............................................................................................................................33
Oil viscosity..........................................................................................................................................33
Pilot pressure (over tank)*...............................................................................................................33
Input control.......................................................................................................................................33
Filtering in the hydraulic system ...................................................................................................33
Deutsch Version.................................................................................................................................33
AMP Version........................................................................................................................................33
Enclosure..............................................................................................................................................33
Modules and Code
Numbers
4
PVP, Pump Side Moduls....................................................................................................................35
PVP, Pump side moduls.....................................................................................................................36
PVB, Basic Modules – Without Adjustable LSA/B Pressure Limiting Valves...........................37
PVB, Basic Modules - Without Adjustable LSa/b Pressure Limiting Valves............................38
PVB, Basic Modules - With Adjustable LSa/b Pressure Limiting Valves...................................39
PVM, Mechanical Actuation............................................................................................................40
PVMD, Cover for Mechanical Actuation.......................................................................................40
PVH, Hydraulic Actuation................................................................................................................40
PVMR, Friction Detent.......................................................................................................................40
PVMF, Mechanical Float Position...................................................................................................40
PVLA, Suction Valve (fitted in PVB)................................................................................................41
PVLP, Shock and Suction Valve (Fitted in PVB)...........................................................................41
PVS, End Plate.....................................................................................................................................42
PVAS, Assembly Kit............................................................................................................................42
PVPX, Electrical LS Unloaded Valve...............................................................................................43
PVPC, Plug for External Pilot Oil Supply........................................................................................43
520L0344 • Rev HA • Nov 2011
Contents
Technical Characteristics
General..............................................................................................................................................................44
PVP, Pump Side Module..............................................................................................................................44
Pressure relief valve characteristic.................................................................................................44
Neutral flow pressure characteristic (open centre)....................................................................44
PVB, High Flow Modules.............................................................................................................................45
High oil flow characteristic..............................................................................................................45
PVB, Basic Modules.......................................................................................................................................46
Linear characteristic..........................................................................................................................46
PVB without pressure compensation, open centre PVP............................................................47
Characteristic for fully displaced flow control spools...............................................................47
PVB without pressure compensation, closed centre PVP.........................................................48
Characteristic for pressure drop PVB at max. main spool travel ...........................................49
Characteristic for pressure drop PVB for open spool in neutral position..............................49
Load-independent oil flow characteristic, pressure-compensated PVB...............................50
Oil flow characteristic at LS pressure limiting, pressure-compensated PVB........................50
PVLP, Shock and Suction Valve................................................................................................................51
PVLA,Suction Valve.......................................................................................................................................51
PVLP, shock valve characteristic.....................................................................................................51
PVLA, suction valve characteristic.................................................................................................51
Pressure Control Spools Characteristics in Extreme Positions......................................................52
Examples of How To Use the Characteristics for Pressure Control Spools................................54
Example of determining the oil flow................................................................................................54
Example of determining spool size...................................................................................................54
Characteristics for Float Position Main Spools....................................................................................55
Characteristic of oil flow, spool travel and voltage...................................................................55
Pressure drop A/B → T at max. spool travel within the proportional range ......................56
Pressure drop A/B → T in float position........................................................................................56
Dimensions
Dimensions......................................................................................................................................................57
Control Lever Positions...............................................................................................................................59
Base with an angle of 22.5°.............................................................................................................59
Base with an angle of 37.5°.............................................................................................................59
Hydraulic Systems
Manually Actuated PVG 32 – Fixed Displacement Pump...............................................................60
Electrically Actuated PVG 32 – Variable Displacement Pump.......................................................61
Other Operating
Conditions
Oil........................................................................................................................................................................62
Particle Content, Degree of Contamination........................................................................................62
Mineral oil...................................................................................................................................................62
Non-flammable fluids............................................................................................................................62
Biodegradable oils...................................................................................................................................62
Filtration...........................................................................................................................................................63
System filters.............................................................................................................................................63
Internal filters............................................................................................................................................63
520L0344 • Rev HA • Nov 2011
5
Contents
Module Selection Chart
Standard PC Spools . ..............................................................................................................................64
Standard PC Spools, Hydraulic Actuation............................................................................................66
Standard FC Spools.................................................................................................................................67
Standard FC Spools.......................................................................................................................................68
Standard FC Spools, Hydraulic Actuation.............................................................................................69
PVMR, FC Spools for Friction Detent......................................................................................................69
FC Spools for Mechanical Float Position PVMF..................................................................................70
FC Spools with Linear Flow Characteristic ..........................................................................................71
PVB, basic valves................................................................................................................................72
PVPC, plugs..........................................................................................................................................72
PVM, mechanical actuation............................................................................................................72
PVAS, assembly kit.............................................................................................................................72
PVP, pump side module....................................................................................................................73
PVLP, shock/and anti-cavitation valves........................................................................................73
End plate, PVS, PVSI...........................................................................................................................73
Order Specification
Standard and option assembly...........................................................................................................75
Reordering..................................................................................................................................................75
Pressure setting limits............................................................................................................................76
Max. pressure setting of LSA and LSB valves relative to PVLP shock valve..........................76
Order Specification Forms..........................................................................................................................77
6
520L0344 • Rev HA • Nov 2011
General
General
Valve system
PVG 32 is a hydraulic load sensing valve designed to give maximum flexibility. From
a simple load sensing directional valve, to an advanced electrically controlled loadindependent proportional valve.
The PVG 32 module system makes it possible to build up a valve group to meet
requirements precisely.The compact external dimensions of the valve remain unchanged
whatever combination is specified.
General features PVG 32
• Load-independent flow control:
–– Oil flow to an individual function is independent of the load pressure of this function
–– Oil flow to one function is independent of the load pressure of other functions
• Good regulation characteristics
• Energy-saving
• Up to 10 basic modules per valve group
• Several types of connection threads
• Low weight
PVP – pump side module
• Built-in pressure relief valve
• System pressure up to 350 bar [5075 psi]
• Pressure gauge connection
• Versions:
–– Open centre version for systems with fixed displacement pumps
–– Closed centre version for systems with variable displacement pumps
–– Pilot oil supply for electrical actuator built into the pump side module
–– Versions prepared for electrical LS unloading valve PVPX
PVB, basic module
• Interchangeable spools
• Depending on requirements the basic module can be supplied with:
–– Integrated pressure compensator in channel P
–– Check valve in channel P
–– Shock/suction valves
–– LS pressure limiting valves individually adjustable for ports A and B
–– Different spool variants
520L0344 • Rev HA • Nov 2011
7
General Information
General
Actuation modules
The basic module is always fitted with mechanical actuator PVM, which can be combined
with the following as required:
__
• Electrical actuator (11 - 32 V --- )
–– PVES – proportional, super
–– PVEH – proportional, high performance
–– PVEA – proportional low hysteresis
–– PVEM – proportional, medium performance
–– PVEO – ON/OFF
–– PVED
• PVMD, cover for mechanical actuation
• PVMR, cover for mechanical detent
• PVMF, cover for mechanical float
• PVH, cover for hydraulic actuation
Rated Pressure
Product
PVG 32 w. PVS
PVG 32 w. PVSI
PVG 32 w. PVBZ
PVG 32 w. HIC steel
PVG 32 w. HIC aluminium
PVG 120/32 w. PVS
PVG 120/32 w. PVSI
PVG 100/32 w. PVS
PVG 100/32 w. PVSI
Rated pressure
300 bar [4351 psi]
350 bar [5076 psi]
400 bar [5800 psi]
350 bar [5076 psi]
210 bar [3046 psi]
300 bar [4351 psi]
350 bar [5076 psi]
300 bar [4351 psi]
350 bar [5076 psi]
Accessories
Remote control units
• Electrical remote control units
–– PVRE, PVRET
–– PVREL
–– PVRES
–– Prof 1
–– Prof 1 CIP
• Hydraulic remote control unit
–– PVRHH
8
520L0344 • Rev HA • Nov 2011
Building in Safety
All makes and all types of control valves (incl. proportional valves) can fail. Thus the
necessary protection against the serious consequences of function failure should
always be built into the system. For each application an assessment should be made for
the consequences of pressure failure and uncontrolled or blocked movements.
To determine the degree of protection that is required to be built into the application,
system tools such an FMEA (Failure Mode and Effect Analysis) and Hazard and Risk
Analysis can be used.
FMEA (Failure Mode and Effect Analysis) IEC EN 61508
FMEA is a tool used for analyzing potential risks. This analytical technique is utilized to
define, identify, and prioritize the elimination or reduction of known and/or potential
failures from a given system before it is released for production.
Please refer to IEC FMEA Standard 61508.
Hazard and Risk Analysis ISO 12100-1 / 14121
This analysis is a tool used in new applications as it will indicate whether there are
special safety considerations to be meet according to the machine directives EN 13849.
Dependent on the determined levels conformety this analysis will detirmine if any extra
requirements for the product design, development process, production process or
maintenance, i.e. the complete product life cycle.
WWarning
All makes/brands and types of directional control valves – inclusive proportional valves –
can fail and cause serious damage. It is therefore important to analyze all aspects of the
application.
Because the proportional valves are used in many different operation conditions and
applications, the manufacturer of the application is alone responsible for making the
final selection of the products – and assuring that all performance, safety and warning
requirements of the application are met.
The process of choosing the control system – and safety levels – is governed by the
machine directives EN 13849 (Safety related requirements for control systems).
520L0344 • Rev HA • Nov 2011
9
Control System Example
Example of a control system for manlift using PVE Fault monitoring input signals and signals
from external sensors to ensure the PLUS+1™ main controllers correct function of the manlift.
B
Emergency stop /
Man present switch
C
HMI / Joystick
control
A
D
Battery
Motion
detection sensors
E
A Main power supply
B Emergency stop/man present switch
C HMI/Joystick control
D Movement detection sensors
E Main controller
F
F PVG 32 control valve
G Hydraulic deactivation
G
Main controller
with safety logic
T
P
Hydraulic
deactivation
P301 316
Electrical block diagram for above illustration
Main power supply
(battery)
Emergency stop and
Man present switch
HMI / Joystick
Joystick
neutral switch
Control
Signal
Motion detection sensor
Main control valve
Supply
Main controller
Neutral Supply
Detection Control
Signal
Conditioning
Signal
Conditioning
Fault
Monitoring
PVE fault output
Failure
Detection
PVE
Hydraulic deactivation
P301 317
WWarning
It is the responsibility of the equipment manufacturer that the control system incorporated
in the machine is declared as being in confirmity with the relevant machine directives.
10
520L0344 • Rev HA • Nov 2011
(continued)
Example of a typical wiring block diagram using PVEH with neutral power off switch and
fault monitoring output for hydraulic deactivation.
Emergency
stop
A
PVE 1
C
Man present
switch
Neutral detection / Supply control
PVEH
1)
signal
≠
neutral
OFF
Delay
B
PVE 2
C
PVEH
1)
signal
≠
neutral
with AMP
connector
1(US)
2(UDC2)
3( )
4(Error)
OFF
Delay
B
with AMP
connector
1(US)
2(UDC2)
3( )
4(Error)
E1 E2
2)
Alarm
logic
OR
Emergency stop / man present switch
PVE Faultmonitoring signals
Neutral signal detection.
Hydraulic deactivation
Output
Memory
AND
A
B
C
D
3)
high=on
low=off
Fault detection output
D
Hydraulic
deactivation
P301 318
System Control Logic e.g. PLUS+1™ for signal monitoring and triggering signal for
deactivation of the hydraulic system.
WWarning
520L0344 • Rev HA • Nov 2011
11
(continued)
Example of fault monitoring for deactivation of the hydraulic system with extra fault inputs
using the PVE’s with DI (Direction Indication) function.
Emergency
Stop
PVE 1
Man present
switch
PVEH-DI
AMP supply
connector
1(US)
2(UDC2)
3( )
4(Error)
1)
signal
≠
neutral
OFF
Delay
PVEH-DI
AMP connector
1(DI-A)
2(DI-B)
3( )
4(UDC)
Fault detection
DI-B
3)
4)
Output
DI-A DI
Delay Memory
US Logic
2)
PVE 2
PVEH-DI
AMP supply
connector
1(US)
2(UDC2)
3( )
4(Error)
1)
signal
≠
neutral
OFF
Delay
PVEH-DI
AMP connector
1(DI-A)
2(DI-B)
3( )
4(UDC)
Fault detection
2)
DI-B
3)
4)
DI-A DI Output Delay Memory
US Logic
OR
AND
System Control Logic e.g. PLUS+1™ for
signal monitoring and triggering signal
for deactivation of the hydraulic system.
high=on
low=off
Fault detection output
Hydraulic
deactivation
P301 319
WWarning
Other non-electrical modules which can be used in connection with hydraulic deactivation
at different levels.
PVG32 – Mainly used in system with fixed displacement pumps
• PVSK, commonly used in crane application - full flow dump
• PVPE, full flow dump for the PVG 120
PVG100 – Alternative LS dump or pilot supply disconnect
• PVPP, pilot oil supply shut off
• External cartridge valve connecting LS Pressure to Tank
• External cartridge valve connecting main Pressure to Tank
PVG120 – Pump disconnect/block for variable pumps
• PVPX, LS dump to tank
12
520L0344 • Rev HA • Nov 2011
General Information
Load Sensing Open
Circuit System
The pump receives fluid directly from the reservoir through the inlet line. A screen in the
inlet line protects the pump from large contaminants. The pump outlet feeds directional
control valves such as PVG-32’s, hydraulic integrated circuits (HIC), and other types of
control valves. The PVG valve directs pump flow to cylinders, motors and other work
functions. A heat exchanger cools the fluid returning from the valve. A filter cleans the
fluid before it returns to the reservoir.
Flow in the circuit determines the speed of the actuators. The position of the PVG valve
determines the flow demand. A hydraulic pressure signal (LS signal) communicates
demand to the pump control. The pump control monitors the pressure differential
between pump outlet and the LS signal, and regulates servo pressure to control the
swashplate angle. Swashplate angle determines pump flow.
Actuator load determines system pressure. The pump control monitors system pressure
and will decrease the swashplate angle to reduce flow if system pressure reaches the
PC setting. A secondary system relief valve in the PVG valve acts as a back-up to control
system pressure.
Pictorial circuit diagram
520L0344 • Rev HA • Nov 2011
13
General Information
Pressure Compensated
Controls
The PC control maintains constant system pressure in the hydraulic circuit by varying
the output flow of the pump. Used with a closed center control valve, the pump remains
in high pressure standby mode at the PC setting with zero flow until the function is
actuated. This condition is often called a dead head condition.
Simple closed-center circuit
Typical operating curve
PC setting
Flow
Q max
0
0
Pressure
P101 166E
P101 965
Once the closed center valve is opened, the PC control senses the immediate drop in
system pressure and increases pump flow by increasing the swashplate angle.
The pump continues to increase flow until system pressure reaches the PC setting.
If system pressure exceeds the PC setting, the PC control reduces the swashplate angle
to maintain system pressure by reducing flow. The PC control continues to monitor
system pressure and changes swashplate angle to match the output flow with the work
function pressure requirements. If the demand for flow exceeds the capacity of the
pump, the PC control directs the pump to maximum displacement. In this condition,
actual system pressure depends on the actuator load.
Each section includes control schematic diagrams, setting ranges, and response /
recovery times for each control available. Response is the time (in milliseconds) for the
pump to reach zero displacement when commanded by the control. Recovery is the
time (in milliseconds) for the pump to reach full displacement when commanded by the
control. Actual times can vary depending on application conditions.
For additional system protection, install a relief valve in the pump outlet line
Pressure compensated system characteristics
• Constant pressure and variable flow
• High pressure standby mode when flow is not needed
• System flow adjusts to meet system requirements
• Single pump can provide flow to multiple work functions
• Quick response to system flow and pressure requirements
Typical applications for pressure compensated systems
• Constant force cylinders (bailers, compactors, refuse trucks)
• On/off fan drives
• Drill rigs
• Sweepers
• Trenchers
14
520L0344 • Rev HA • Nov 2011
General Information
The remote PC control is a two-stage control that allows multiple PC settings. Remote
PC controls are commonly used in applications requiring low and high pressure PC
operation.
Closed center circuit with remote PC
Remote PC setting
0
0
Pressure
PC setting
Q max
Flow
Remote Pressure
Compensated Controls
P101 969E
P101 966
The remote PC control uses a pilot line connected to an external hydraulic valve. The
external valve changes pressure in the pilot line, causing the PC control to operate at a
lower pressure. When the pilot line is vented to reservoir, the pump maintains pressure
at the load sense setting. When pilot flow is blocked, the pump maintains pressure at the
PC setting. An on-off solenoid valve can be used in the pilot line to create a low-pressure
standby mode. A proportional solenoid valve, coupled with a microprocessor control,
can produce an infinite range of operating pressures between the low pressure standby
setting and the PC setting.
Size the external valve and plumbing for a pilot flow of 3.8 l/min [1 US gal/min].
For additional system protection, install a relief valve in the pump outlet line.
Remote pressure compensated system characteristics
• Constant pressure and variable flow
• High or low pressure standby mode when flow is not needed
• System flow adjusts to meet system requirements
• Single pump can provide flow to multiple work functions
Typical applications for remote pressure compensated systems
• Modulating fan drives
• Anti-stall control with engine speed feedback
• Front wheel assist
• Road rollers
• Combine harvesters
• Wood chippers
520L0344 • Rev HA • Nov 2011
15
General Information
Load Sensing Controls
The LS control matches system requirements for both pressure and flow in the circuit
regardless of the working pressure. Used with a closed center control valve, the pump
remains in low-pressure standby mode with zero flow until the valve is opened. The LS
setting determines standby pressure.
Load sensing circuit
0
PC setting
Flow
Q max
0
Pressure
P101 968E
P101 967
Most load sensing systems use parallel, closed center, control valves with special porting that
allows the highest work function pressure (LS signal) to feed back to the LS control. Margin
pressure is the difference between system pressure and the LS signal pressure. The LS
control monitors margin pressure to read system demand. A drop in margin pressure means
the system needs more flow. A rise in margin pressure tells the LS control to decrease flow.
LS control with bleed orifice
The load sense signal line requires a bleed orifice to prevent high-pressure lockup of the
pump control. Most load-sensing control valves include this orifice. An optional internal
bleed orifice is available, for use with control valves that do not internally bleed the LS
signal to tank.
16
520L0344 • Rev HA • Nov 2011
General Information
Load Sensing Controls
(continued)
Integral PC function
The LS control also performs as a PC control, decreasing pump flow when system
pressure reaches the PC setting. The pressure compensating function has priority over
the load sensing function.
For additional system protection, install a relief valve in the pump outlet line.
Load sensing system characteristics
• Variable pressure and flow
• Low pressure standby mode when flow is not needed
• System flow adjusted to meet system requirements
• Lower torque requirements during engine start-up
• Single pump can supply flow and regulate pressure for multiple circuits
520L0344 • Rev HA • Nov 2011
17
Function
PVG 32 with Open Centre
PVP • PVB with Flow
Control Spool
When the pump is started and the main spools in the individual basic modules (11) are in
the neutral position, oil flows from the pump, through connection P, across the pressure
adjustment spool (6) to tank. The oil flow led across the pressure adjustment spool
determines the pump pressure (stand-by pressure).
When one or more of the main spools are actuated, the highest load pressure is fed
through the shuttle valve circuit (10) to the spring chamber behind the pressure
adjustment spool (6), and completely or partially closes the connection to tank.
Pump pressure is applied to the right-hand side of the pressure adjustment spool (6).
The pressure relief valve (1) will open should the load pressure exceed the set value,
diverting pump flow back to tank.
In a pressure-compensated basic module the compensator (14) maintains a constant
pressure drop across the main spool – both when the load changes and when a module
with a higher load pressure is actuated.
With a non pressure-compensated basic module incorporating a load drop check valve
(18) in channel P, the check valve prevents return oil flow.
The basic module can be supplied without the load drop check valve in channel P for
functions with over-centre valves.
The shock valves PVLP (13) with fixed setting and the suction valves PVLA (17) on ports
A and B are used for the protection of the individual working function against overload
and/or cavitation.
An adjustable LS pressure limiting valve (12) can be built into the A and B ports of
pressure-compensated basic modules to limit the pressure from the individual working
functions.
The LS pressure limiting valves save energy compared with the shock valves PVLP:
• with PVLP all the oil flow to the working function will be led across the combined
shock and suction valves to tank if the pressure exceeds the fixed setting.
• with LS pressure limiting valves an oil flow of about 2 l/min [0.5 US gal/min] will be led
across the LS pressure limiting valve to tank if the pressure exceeds the valve setting.
PVG 32 with Closed
Centre PVP • PVB with
Flow Control Spool
In the closed centre version an orifice (5) and a plug (7) have been fitted instead of the
plug (4). This means that the pressure adjustment spool (6) will only open to tank when
the pressure in channel P exceeds the set value of the pressure relief valve (1).
In load sensing systems the load pressure is led to the pump regulator via the LS
connection (8).
In the neutral position the pump control sets the displacement so that leakage in the
system is compensated for, to maintain the set stand-by pressure.
When a main spool is actuated the pump regulator will adjust the displacement so that
the set differential pressure between P and LS is maintained.
The pressure relief valve (1) in PVP should be set at a pressure of approx. 30 bar [435 psi]
above maximum system pressure (set on the pump or external pressure relief valve).
18
520L0344 • Rev HA • Nov 2011
Function
PVG 32 Sectional View
PVG 32 Sectional Drawing
1
2
T
P
M
PVP
3
4+5
A
LS
8
9
12 7
B
A
T
T
6
13
11
PVB 10
14
16
B
LS B
P LS A
17 15
A
T
B
T
PVB
P
19
18
20
V310106.A
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Pressure relief valve
Pressure reduction valve for pilot oil supply
Pressure gauge connection
Plug, open centre
Orifice, closed centre
Pressure adjustment spool
Plug, closed centre
LS connection
LS signal
Shuttle valve
520L0344 • Rev HA • Nov 2011
1.
1
12.
13.
14.
15.
16.
17.
18.
19.
20.
Main spool
LS pressure limiting valve
Shock and suction valve, PVLP
Pressure compensator
LS connection, port A
LS connection, port B
Suction valve, PVLA
Load drop check valve
Pilot oil supply for PVE
Max. oil flow adjustment screws for ports A and B
19
Function
PVPC Plug for External
Pilot Oil Supply
PVPC with check valve for open centre PVP
PVPC with check valve is used in systems
where it is necessary to operate the
PVG 32 valve by means of the electrical
remote control without pump flow.
When the external solenoid valve is
opened, oil from the pressure side of
the cylinder is fed via the PVPC through
the pressure reducing valve to act as the
pilot supply for the electrical actuators.
This means that a load can be lowered
by means of the remote control lever
without starting the pump.
The built-in check valve prevents the oil from flowing via the pressure adjustment spool
to tank.
With the pump functioning normally the external solenoid valve is closed to ensure that
the load is not lowered due to the pilot supply oil flow requirement of approximately
1 l/min [0.25 US gal/min].
With closed centre PVP the external pilot oil supply can be connected to the pressure
gauge connection without the use of a PVPC plug.
Hydraulic diagram
20
520L0344 • Rev HA • Nov 2011
Function
PVPC Plug for External
Pilot Oil Supply
(continued)
PVPC without check valve for open or closed centre PVP
PVPC without check valve is used
in systems where it is necessary
to supply the PVG 32 valve with oil from
a manually operated emergency pump
without directing oil flow to the pilot oil
supply (oil consumption about 1 l/min)
[0.25 US gal/min].
When the main pump is working
normally, the oil is directed through the
PVPC plug via the pressure reduction
valve to the electrical actuators.
When the main pump flow fails, the external shuttle valve ensures that the oil flow from
the manually operated emergency pump is used to pilot open the over centre valve and
lower the load.
The load can only be lowered using the mechanical operating lever of the PVG 32 valve.
Hydraulic diagram
520L0344 • Rev HA • Nov 2011
21
Function
PVMR, Friction Detent
The friction detent PVMR allows the
directional spool to be held in any
position, resulting in infinitely variable,
reversible, pressure compensated flow.
PVMR
This can be sustained indefinitely
without having to continue to hold the
mechanical lever.
PVMR should only be used together
with PVB basic modules with pressure
compensator.
PVMF, Mechanical Float
Position Lock
Allows the float spool to be held in the float position after release of the
mechanical handle.
PVMF
P→A→F
(Standard assembly)
22
520L0344 • Rev HA • Nov 2011
Function
PVBS, Main Spools for
Flow Control (Standard)
When using standard flow control spools, the pump pressure is determined by the
highest load pressure. This is done either via the pressure adjustment spool in open
centre PVP (fixed displacement pumps) or via the pump regulator (variable displacement
pumps).
In this way the pump pressure will always correspond to the load pressure plus the
stand-by pressure of the pressure adjustment spool or the pump regulator.
This will normally give optimum and stable adjustment of the oil flow.
Flow Control (with Linear
Characteristic)
PVBS main spools with linear characteristic have less dead band than standard spools
and a completely proportional ratio between control signal and oil flow in the range
beyond the dead band. PVBS with linear characteristic must never be used together
with PVEM electrical actuators. The interaction between the small dead band of the
spools and the hysteresis of the PVEM actuator of 20% involves a risk of building up a LS
pressure in neutral position.
Pressure Control
In a few systems load sensing pump
pressure may result in unstable
adjustment of the oil flow and
a tendency towards system hunting.
This may be the case with working
functions that have a large moment
of inertia or over-centre valves. In
such systems main spools for pressure
control can be advantageous.
The spools are designed in such a way that the pump pressure is controlled by the spool
travel. The main spool must be displaced until the pump pressure just exceeds the load
pressure before the working function is applied. If the main spool is held in this position,
the pump pressure will remain constant – even if the load pressure changes – giving a
stable system.
The use of pressure control spools, however, also means that
• the oil flow is load dependent
• the dead band is load dependent
• the pump pressure can exceed the load pressure by more than is usual.
Due to these factors it is recommended that pressure control spools are only used when
it is known for certain that problems with stability will arise – or already have arisen.
520L0344 • Rev HA • Nov 2011
23
Function
PVPX, Electrical LS
Unloading Valve
PVPX is a solenoid LS unloading valve. PVPX is fitted into the pump side module
enabling a connection to be made between the LS and the tank lines. Thus the LS signal
can be
relieved to tank by means of an electric signal.
For a PVP pump side module in open centre version the relief to tank of the LS signal
means that the pressure in the system is reduced to the sum of the tank port pressure
plus the neutral flow pressure for the pump side module.
For a PVP pump side module in closed centre version the relief to tank of the LS signal
means that the pressure is reduced to the sum of the tank port pressure for the pump
side module plus the stand-by pressure of the pump.
Fast Unloader - Minimize
System Pressure Peaks
With the special inlet unloader, system pressure peaks can be minimized. The degree of
pressure peak reductions is dependent upon system design.
Systems where the PVG valve stack is placed closed to the pump or systems with limited
flexibility in regards to hoses etc. benefit from the fast inlet unloader.
24
520L0344 • Rev HA • Nov 2011
Technical Data
PVG 32 Valve Group
The technical data for PVG 32 and PVPX are typical measured results.
For the hydraulic system a mineral based hydraulic oil with a viscosity of 21 mm2/s
[102 SUS] and a temperature of 50°C [122°F] was used.
Technical data for PVG 32 and PVPX
Max. pressure
Oil flow rated
(See characteristics
page 31 - 36)
Port P continuous
Port P intermittent
Port A/B continous
Port A/B intermittent
Port T, static/dynamic
350 bar 1)
400 bar 5)
350 bar
420 bar 5)
25 / 40 bar
[5075 psi]
[5800 psi]
[5075 psi]
[6090 psi]
[365/580 psi]
Port P
140/230 l/min 3) 4)
[37/61 US gal/min] 3) 4)
Port A/B, with press.comp.
100 l/min 2)
[26.4 US gal/min] 2)
Port A/B witout press.comp.
125 l/min
[33 US gal/min]
Proportional range
Float position
Standard
Linear characteristic
± 7 mm
± 4.8 mm
± 8 mm
±1.5 mm
± 0.8 mm
[± 0.28 in]
± 0.19 in]
[± 0.32 in]
[± 0.06 in]
[± 0.03 in]
A/B → T without shock valve
20 cm3/min
[1.85 in3/min]
A/B → T with shock valve
25 cm3/min
[2.15 in3/min]
Recommended temperature
Min. temperature
Max. temperature
30 → 60 °C
-30 °C
+90 °C
-30 → 60 °C
12 - 75 mm2/s
4 mm2/s
460 mm2/s
[86 → 140°F]
[-22 °F]
[194 °F]
[-22 → 140 °F]
[65 - 347 SUS]
[39 SUS]
[2128 SUS]
23/19/16
23/19/16
1 l/min
[0.25 US gal/min]
Spool travel, standard
Spool travel,
float position
Dead band,
flow control spools
Max. internal leakage
at 100 bar [2175 psi] and
21 mm2/s [102 SUS]
Oil temperature
(inlet temperature)
Ambient temperature
Operating range
Min. viscosity
Max. viscosity
Max. contamination
Filtration
(See page 75)
(ISO 4406)
Oil consumtion in pilot oil pressure reduction valve
Oil viscosity
1) With PVSI end plate. With PVS end plate max. 300 bar [4351 psi].
2) For 130 l/min contact Product Application Engineering Sauer-Danfoss.
3) In open circuit systems with short P-hoses/tubes, attention should be paid to pressure peaks at flows
>100 l/min. [26.4 US gal/min] .
4) For system with mid inlet PVPVM.
5) Intermittent pressure at max. 250,000 cycles of full PVG life time cycles, with PVSI end plate.
The maximum intermittent pressure at max. 250,000 cycles stresses the need to confirm application duty
cycle before proceeding with specification. For further information contact Product Application Engineering
Sauer-Danfoss.
520L0344 • Rev HA • Nov 2011
25
Technical Data
PVH, Hydraulic Actuation
Technical data for PVH
Regulation range
Max. pilot pressure
Max. pressure on port T1)
5 - 15 bar [75 - 220 psi]
30 bar [435 psi]
10 bar [145 psi]
1) The hydraulic remote control lever should be connected directly to tank.
PVM, Mechanical
Actuation
Technical data for PVM
Neutral position
2.2 ±0.2 N•m
[5.0 ±1.8 lbf•in]
2.2 ±0.2 N•m
[5.0 ±1.8 lbf•in]
2.7 ±0.2 N•m
[23.9 ±1.8 lbf•in]
No
PVM + PVMD
Operating force
PVM + PVE 1)
PVM + PVH
Control lever position
1)
for PVE please see 520L0553 catalog.
PVM + PVMR
Operating force
PVM+PVMF
Control lever position
Regulation range
26
Max. spool travel
2.8 ±0.2 N•m
[6.3 ±1.8 lbf•in]
2.8 ±0.2 N•m
[6.3 ±1.8 lbf•in]
7.1 ±0.2 N•m
[62.8 ±1.8 lbf•in]
2×6
Spool displacement from neutral position
Spool displacement from any other position
Spool displacement from neutral position
Spool displacement into float position
Spool displacement away from float position
No
control lever
proportional range
float position
520L0344 • Rev HA • Nov 2011
±19.5°
±13.4°
22.3°
17 N•m [3.8 lbf•in]
8.5 N•m [73.3 lbf•in]
22 N•m [5.0 lbf•in]
60 N•m [13.5 lbf•in]
28 N•m [6.3 lbf•in]
2×6
Technical Data
PVE Technical Data
The following technical data are from typical test results.
For the hydraulic system a mineral based hydraulic oil with a viscosity of 21 mm2/s
[102 SUS] and a temperature of 50 °C [122 °F] were used.
Technical data for PVEO and PVEM
PVEO and PVEM
rated
range
max. ripple
Supply voltage UDC
Current consumption at rated voltage
24 V DC
22 V to 30 V
5%
0.65 A @ 12 V
0.33 A @ 24 V
0.5 x UDC
0.25 • UDC to 0.75 • UDC
0.25 mA
0.50 mA
12 KΩ
8W
neutral
A-port ↔ B-port
Signal voltage (PVEM)
12 V DC
11 V to 15 V
Signal current at rated voltage (PVEM)
Input impedance in relation to 0.5 • UDC
Power consumption
Reaction time PVEO and PVEM
Supply voltage
Function
Disconnected by means
of neutral switch
Reaction time from neutral
position to max. spool travel
Disconnected by means
of neutral switch
Reaction time from max. spool
travel to neutral position
Constant voltage
position to max. spool position
Constant voltage
Hysteresis1)
max.
PVEO
ON/OFF
s
0.235
PVEO-R
ON/OFF
s
0.410
PVEM
Prop. medium
s
0.700
rated
0.180
0.350
0.450
min.
0.120
0.250
0.230
max.
0.175
0.330
0.175
rated
0.090
0.270
0.090
min.
0.065
0.250
0.065
max.
rated
min.
max.
rated
min.
rated
-
-
0.700
0.450
0.230
0.700
0.450
0.230
20%
1) Hysteresis is indicated at rated voltage and f = 0.02 Hz for one cycle (one cycle = neutral ->full A -> full B
-> neutral.
520L0344 • Rev HA • Nov 2011
27
Technical Data
PVE Technical Data
(continued)
Technical data for PVEA, PVEH and PVES
PVEA, PVEH and PVES
rated
range
max. ripple
Current consumption at rated voltage PVEH/PVES (PVEA)
neutral
Signal voltage
A-port ↔ B-port
Signal current at rated voltage
Input impedance in relation to 0.5 • UDC
Input capacitor
Power consumption
PVEH/PVES (PVEA)
Max. load
(PVEH/PVES)
Active
Reaction time at fault
Passive
Reaction time at fault
Supply voltage UDC
11 V to 32 V
11 V to 32 V
5%
0.57 (0.33) A @ 12 V
0.3 (0.17) A @ 24 V
0.5 x UDC
0.25 • UDC to 0.75 • UDC
0.25 mA to 0.70 mA
12 KΩ
100 ηF
7 (3.5) W
100 mA
60 mA
500 ms (PVEA: 750 ms)
250 ms (PVEA: 750 ms)
Reaction time
Supply voltage
Function
Disconnected by
means of neutral
switch
Disconnected by
means of neutral
switch
Constant voltage
Constant voltage
Hysteresis1)
28
PVEH
Prop. high
s
0.230
0.150
0.120
0.175
0.090
0.065
0.200
0.120
0.050
0.100
0.090
0.065
4%
PVES
Prop. super
s
0.230
0.150
0.120
0.175
0.090
0.065
0.200
0.120
0.050
0.100
0.090
0.065
∼ 0%
Hysteresis is indicated at rated voltage and f = 0.02 Hz for one cycle (one cycle = neutral ->full A -> full B -> neutral.
Spool position
1)
max.
rated
min.
max.
rated
min.
max.
rated
min.
max.
rated
min.
rated
PVEA
Prop. fine
s
0.500
0.320
0.250
0.550
0.400
0.300
0.500
0.320
0.250
0.250
0.200
0.150
2%
520L0344 • Rev HA • Nov 2011
Technical Data
Technical Data
(continued)
Oil consumption PVEO and PVEM
PVEO
ON/OFF
PVEM
Prop. medium
neutral
0 l/min
[0 US gal/min]
0 l/min
[0 US gal/min]
locked
0.1 l/min
[0.026 US gal/min]
0.1 l/min
[0.026 US gal/min]
0.002 l
[0.053 US gal]
0.002 l
[0.053 US gal]
0.7 l/min
[0.185 US gal/min]
0.5 l/min
[0.132 US gal/min]
Supply voltage Function
Without voltage
Pilot oil flow
per PVE
Pilot oil flow
per PVE
With voltage
one actuation
(neutral → max.)
continuous actuations
(neutral → max.)
Oil consumption PVEA, PVEH and PVES
Supply
voltage
Without
voltage
Function
Pilot oil flow per PVE - neutral
locked
With
voltage
Pilot oil flow
per PVE
one actuation
(neutral → max.)
continuous
actuations
Oil viscosity
Oil
viscosity
range
min.
max.
PVEA
Prop. fine
0 l/min
[0 US gal/min]
0.4 l/min
[0.132 US gal/min]
0.002 l
[0.053 US gal]
1.0 l/min
[0.200 US gal/min]
PVEH
Prop. high
0 l/min
[0 US gal/min]
0.1 l/min
[0.026 US gal/min]
0.002 l
[0.053 US gal]
0.7 l/min
[0.290 US gal/min]
PVES
Prop. super
0.3 l/min
[0.106 US gal/min]
0.1 l/min
[0.053 US gal/min]
0.002 l
[0.053 US gal]
0.8 l/min
[0.290 US gal/min]
Oil temperature
12 - 75 mm2/s
[65 - 347 SUS]
4 mm2/s [39 SUS]
460 mm2/s [2128 SUS]
Oil
temperature
Rec. range
min.
max.
30 - 60˚C
[86 -140˚F]
-30˚C [-22˚F]
90˚C [194˚F]
Note: Max. start up viscosity 2500 mm2/s
Filtering in the hydraulic system
Max. allowed
degree of
contamination
23/19/16
(ISO 4406, 1999 version)
520L0344 • Rev HA • Nov 2011
Ambient temperature
Ambient
temperature
range Rec.
-30° → +60°C [-22° → +140°F]
29
Technical Data
PVPX, Electrical LS
Unloading Valve
Technical data for PVPX
350 bar
[5075 psi]
Max. operating pressure
Enclosure to IEC 529
IP65
Max. pressure drop at an oil flow of 0.10 l/min.
[2.6 US gal/min]
2 bar
[30 psi]
30 to 60°C
[86 to 140°F]
-30°C
[-22°F]
90°C
[194°F]
155°C
[311°F]
-30 to 60°C
[-22 to 140°F]
12 to 75 mm2/s
[65 to 347 SUS]
4 mm2/s
[39 SUS]
460 mm2/s
[2128 SUS]
300 ms
Recommended temperature
Oil temperature
(Inlet)
Min. temperature
Max. temperature
Max. coil surface temperature
Ambient temperature
Operating range
Oil viscosity
Min. viscosity
Max. viscosity
Response time for LS pressure relief
Rated voltage
Max. premissible deviation from rated supply voltage
at 22°C [72°F] coil temperature
Current consumption
at rated voltage
Power consumption
30
520L0344 • Rev HA • Nov 2011
12 V
24 V
± 10%
1.55 A
1.00 A
19 W
12 W
0.78 A
0.50 A
19 W
12 W
Electrical Actuation
PVEA/PVEH/PVES,
Connection to Fault
Monitoring Output
Normal
Green
Transistor output function
Example of connected components
A: External relay
B: Solenoid valve (e.g. PVPX)
Fault
Red
Transistor output function
Example of connected components
A: External relay
B: Solenoid valve (e.g. PVPX)
Via an external relay the pin pos. 3 can be connected to a solenoid valve which will
relieve the LS-signal to tank, e. g. PVPX.
Other connections possible:
• a solenoid valve to relieve the pump oil flow
• a signal lamp, an alarm horn
• pump cut-out, etc.
520L0344 • Rev HA • Nov 2011
31
Function
With electrical proportional actuation, the main spool position is adjusted so that its
position corresponds to an electrical control signal. The control signal is converted into a
hydraulic pressure signal that moves the main spool in the PVG.
This is done by means of two proportional pressure-reducing valves.
The electrical actuator can be controlled either by a current amplifier card, or directly
from a programmable micro-controller.
+
--
Driver A
Current
Feedback A
Setpoint
+
--
Driver B
Current
Feedback B
V310 002.A
Hydraulic Actuation
It is necessary to use the PVHC in combination with 25 bar [362.6 psi] pilot pressure,
and standard FC spools fitted for hydraulic actuation. See PVG 32 Technical Information
520L0344 and PVG 100 Technical Information 520L0720.
Because of the 25 bar pilot pressure, it is not possible to combine PVHC with PVE on a
PVG 32 or PVG 100 valve stack.
Features
•
•
•
•
•
32
520L0344 • Rev HA • Nov 2011
PWM current control signals.
AMP JPT and Deutsch DT connector options.
12 V or 24 V supply options.
Only to be used with 25 bar pilot pressure and hydraulic main spool.
Possible to option mount the PVHC on PVG 32 and PVG 100.
Input-Output Relation
Temperature range
Pilot pressure (over tank)*
-30 °C to 80 °C
[-22 °F to 176 °F]
-20 °C to 80 °C
[-4 °F to 176 °F]
Ambient
Medium
25 bar [363 psi]
Nominal
Minimum
Maximum
21 bar [305 psi]
25 bar [363 psi]
* Designed to be used with hydraulic activated spools.
Oil viscosity
Range
Minimum
Maximum
Enclosure
12 - 75 mm2/s [65 - 350 SUS]
Connector type
4 mm2/s [40 SUS]
Deutsch DT
AMP JPT 12/24 V
400 mm2/s [2130 SUS]
Protection class
IP 67
IP 66
Input control
Control range
Parameter
Output current range
Resistance
Control pressure range
12 V
24 V
0 - 1500 mA
0 - 750 mA
4.75 Ω ± 5%
20.8 Ω ± 5%
5 to 15 bar [72.5 to 217.5 psi]
Filtering in the hydraulic system
Max. permissible degree of contamination
Connections
23/19/16 (ISO 4406, 1999 version)
Deutsch Version
Pos.
Description
1
1
Housing
Lock Part
1
Pin Contact
Qty
1
1
2
2
1
Deutsch code numbers
DT06-2S
W2S
0462-201-16141 when SOC 16-18 AWG*
0462-209-16141 when SOC 14-16 AWG*
V310 004.A
AMP Version
Pos.
1
2
3
4
Description
Qty
Connector
Contacts
Contacts
Superseal
1
2
2
1
AMP code numbers
4
282189-1
929930-3
828905-1
880810-1
3
2
1
V310 003.A
520L0344 • Rev HA • Nov 2011
33
Q
P
A
l/min
100
1
E
A/B
P
US gal/min
B
1
25
E
90
80
20
8
8
70
1
D
1
60
C
8
50
1
40
8
D
15
8
1
10
8
C
30
B
B
20
A
AA
5
A
AA
10
7
6
5
4
3
0.28
0.24
0.20
0.16
0.12
2
1.5
1
0
0.08 0.04
0
1
0
0.04
2
3
4
5
6
7
0.08
0.12
0.16
0.20
0.24
0.28
1.5
a
mm
PVM
a
in
PVM
V310 001.A
Spool stroke, mm
7
6
5
Ideal curve
4
3
Hysteresis
2
500/1000 mA
280/560 mA
280/560 mA
1600
@ 12V
800
1400
700
1200
600
1000
Current in mA
500
800
400
600
300
400
200
200
0
100
200
100
400
200
600
300
800
400
1000
500
1200
600
1400
700
800
1600
1
@ 24V
500/1000 mA
V310 000.A
The ideal curve is determined by the main spool neutral spring. The hysteresis is affected
by viscosity, friction, flow forces, dither frequency and modulation frequency.
The PVHC is produced in an environment using mineral based hydraulic oil.
34
520L0344 • Rev HA • Nov 2011
Modules and Code Numbers
PVP, Pump Side Moduls
Symbol
Description
Open centre pump side module for
pumps with fixed displacement.
For purely machanically actuated
valve groups
Closed centre pump side module for pumps
with vaiable displacement.
For purely mechanically actuated
valve groups
Open centre pump side module for pumps
with fixed displacement.
With pilot oil supply for electrically
actuated valves
Code number
P=G½
T=G¾
157B5000
P = 7�8–14
T = 11�16–12
157B5200
P, T = G ¾
157B5100
P, T = 11�16–12
157B5300
P=G½
T=G¾
157B5001
P = 7�8–14
T = 11�16–12
157B5201
P, T = G ¾
157B5101
P, T = 11�16–12
157B5301
P=G½
T=G¾
157B5010
P = 7�8–14
T = 11�16–12
157B5210
P, T = G ¾
157B5110
P, T = 11�16–12
Closed centre pump side module
pumps with variable displacement.
actuated valves
Open centre pump side module for
pumps with fixed displacement.
actuated valves
Connection for electrical
LS unloading valve, PVPX
Closed centre pump side module
pumps with variable displacement
With pilot oil supply
Connection for electrical
LS unloading valve, PVPX
157B5310
P=G½
T=G¾
157B5011
P = 7�8–14
T = 11�16–12
157B5211
P, T = G ¾
157B5111
P, T = 11�16–12
157B5311
P=G½
T=G¾
157B5012
P = 7�8–14
T = 11�16–12
157B5212
P, T = G ¾
157B5112
P, T = 11�16–12
157B5312
P=G½
T=G¾
157B5013
P = 7�8–14
T = 11�16–12
157B5213
P, T = G ¾
157B5113
P, T = 11�16–12
157B5313
Connections:
P = G ½ in; 14 mm deep or G ¾ in; 16 mm deep / LS, M = G ¼ in; 12 mm deep / T = G ¾ in; 16 mm deep.
P = 7�8–14; 0.65 in deep or 11�16–12; 0.75 in deep / LS, M = ½–20; 0.47 in deep / T = 11�16–12; 0.75 in deep.
520L0344 • Rev HA • Nov 2011
35
PVP, Pump side moduls
Symbol
Description
Code number
For mechanical actuated valves.
P, T = G ¾
157B5102
Connection for LS unloading valve, PVPX.
Closed centre pump side module for pumps
with vaiable displacement.
For mechanical actuated valves.
P, T = G ¾
157B5103
P, T = G ¾
157B5180
P, T = 11�16–12
157B5380
P, T = G ¾
157B5181
P, T = 11�16–12
157B538
P, T = G ¾
157B5190
P, T = 11�16–12
157B5390
P, T = G ¾
157B5191
P, T = 11�16–12
157B5391
Connection for LS unloading valve, PVPX.
With pilot oil supply for electrical actuation
and connection for pilot oil pressure
Closed centre pump side module pumps with
variable displacement.
With pilot oil supply for electrical actuation
With pilot oil supply for hydraulic actuation
Closed centre pump side module pumps
with variable displacement
With pilot oil supply for hydraulic actuation
Connections:
P, T = G ¾ in; 16 mm deep / LS, M = G ¼ in; 12 mm deep
P, T = 11�16–12; 0.75 in deep / LS, M = ½–20; 0.47 in deep.
36
520L0344 • Rev HA • Nov 2011
PVB, Basic Modules – Without Adjustable LSA/B Pressure Limiting Valves
Symbol
Code number
No facilities for
Facilities for
shock valves A/B
shock valves A/B
Description
Without load drop check valve
and pressure compensator.
Can be used where load holding
valves prevent oil from flowing
back through channel P.
G½
14 mm deep
157B6000
157B6030
7�8–14
0.65 in deep
157B6400
157B6430
G½
14 mm deep
157B6100
157B6130
7�8–14
0.65 in deep
157B6500
157B6530
G½
14 mm deep
-
157B6136
7�8–14
0.65 in deep
-
157B6536
G½
14 mm deep
157B6200
157B6230
7�8–14
0.65 in deep
157B6600
157B6630
Load drop check valve.
Load drop check valve.
LSA/B shuttle valve.
To be used with float position
spools.
No-damped compensator valve
520L0344 • Rev HA • Nov 2011
37
PVB, Basic Modules - Without Adjustable LSa/b Pressure Limiting Valves
Symbol
Description
Code number
No facilities for
Facilities for
shock valves A/B
shock valves A/B
G½
14 mm deep
11071832
With damped
compensator valve
7�8–14
0.65 in deep
G½
14 mm deep
157B6206
157B6236
7�8–14
0.65 in deep
11036629
11036630
With damped
compensator valve
38
520L0344 • Rev HA • Nov 2011
PVB, Basic Modules - With Adjustable LSa/b Pressure Limiting Valves
Symbol
Code number
No facilities for
Facilities for
shock valves A/B
shock valves A/B
Description
G½
14 mm deep
157B6203
157B6233
External LS connection
port A/B. Also used for float 7�8–14
0.65 in deep
position spools.
157B6603
157B6633
G½
14 mm deep
157B6208
157B6238
7�8–14
0.65 in deep
-
11036631
With non-damped
compensator valve.
Adjustable LSA/B pressure
limiting valves;
Damped compensator
valve.
Adjustable LSA/B pressure
limiting valves
External LS connection
port A/B.
520L0344 • Rev HA • Nov 2011
39
PVM, Mechanical Actuation
Symbol
Code number
with stop screws
w/o stop screws
Description
PVM, Standard, spring centered
Individual oil flow adjustment to ports A and B
22.5°
37.5°
Without actuation lever and base.
Shaft for mounting of actuation lever
157B3171
157B3172
157B3191
157B3192
157B3173
157B3193
PVM, as standard, witout actuation lever.
With base for mounting of actuation lever
22.5°
37.5°
157B3175
157B3174
157B3195
157B3194
PVM, Standard, spring. Individual oil flow
adjustment to ports A and B. (Anodized)
22.5°
157B3184
-
PVMD, Cover for Mechanical Actuation
Symbol
Description
Code number
PVMD, Cover for purely mechanically operated valve
157B0001
PVH, Hydraulic Actuation
Symbol
Description
Code number
G 1/4, 12 mm deep
157B0008
9/16 - 18 UNF; 0.54 in deep
157B0007
PVH, Cover for hydraulic remote control
PVMR, Friction Detent
Symbol
Description
PVMR, Friction detent
Code number
157B0004
PVMF, Mechanical Float Position
Symbol
Description
PVMF, Mechanical float position lock
40
520L0344 • Rev HA • Nov 2011
Code number
157B0005
PVLA, Suction Valve (fitted in PVB)
Symbol
Description
Code number
Suction valve for
port A and/orB.
157B2001
Plug for connecting the nonactive port to tank, when
using a single acting spool.
157B2002
PVLP, Shock and Suction Valve (Fitted in PVB)
Symbol
Description
Shock and suction valve
for port A and/or B.
(Not adjustable)
Setting
bar
[psi]
32
460
50
725
63
914
80
1160
100
1450
125
1813
140
2031
150
2175
160
2320
175
2538
190
2755
210
3045
230
3335
240
3480
250
3625
265
3843
280
4061
300
4351
320
4641
350
5075
380
5511
400
5801
Code number
157B2032
157B2050
157B2063
157B2080
157B2100
157B2125
157B2140
157B2150
157B2160
157B2175
157B2190
157B2210
157B2230
157B2240
157B2250
157B2265
157B2280
157B2300
157B2320
157B2350
157B2380
157B2400
Lifetime 200.000 actuations.
520L0344 • Rev HA • Nov 2011
41
PVS, End Plate
Symbol
Description
PVS, without active elements.
Max. intermittend LX
pressure 250 bar [3625 psi]
V310063.A
157B2020
G 1/8 10 mm deep
157B2011
3/8 in - 24; 0,39 in deep
157B2021
157B2014
PVSI, without active elements
Without connections.
V310062.A
LX
157B2000
PVS, without active elements.
No connections
V310062.A
LX
Code number
PVSI, without active elements
LX connections.
Max. intermittend LX
pressure: 350 bar [5075 psi]
V310063.A
157B2004
G 1/4 10 mm deep
157B2015
1/2 in - 20; 0,47 in deep
157b2005
PVAS, Assembly Kit
Code no,
157B...
PVB’s
0
1
2
3
4
5
6
7
8
9
10
11
12
8000
8001
8002
8003
8004
8005
8006
8007
8008
8009
8010
8061
8062
PVB + PVPVM
-
8021
8022
8023
8024
8025
8026
8027
8028
8029
8030
8081
8082
Weight kg [lb]
0.1[0.2]
42
0.15 [0.3] 0.25 [0.6] 0.30 [0.7] 0.40 [0.9] 0.45 [1.0] 0.50 [1.1] 0.60 [1.3] 0.65 [1.4] 0.70 [1.6] 0.80 [1.7] 0.85 [1.8]
520L0344 • Rev HA • Nov 2011
0.9 [2.0]
PVPX, Electrical LS Unloaded Valve
Symbol
Description
-
Code number
PVPX,
Normally open:
LS pressure relieved with no signal to PVPX
12 V
157B4236
24 V
157B4238
PVPX,
Normally closed:
12 V
157B4246
24 V
157B4248
PVPX,
Normally open with manual override:
Manual override DE-selects LS-pump
12 V
157B4256
24 V
157B4258
26 V
157B4260
157B5601
Plug
PVPC, Plug for External Pilot Oil Supply
Symbol
Description
Code number
G½
12 mm deep
157B5400
½ –20;
0.47 in deep
-
G½
12 mm deep
157B5600
½ –20;
0.47 in deep
157B5700
PVP, Plug without check valve
for open or closed centre
PVP, Plug with check valve
for open centre
520L0344 • Rev HA • Nov 2011
43
General
The characteristics in this catalogue are typical measured results. During measuring a
mineral based hydraulic oil with a viscosity of 21 mm2/s [102 SUS] at a temperature of
50°C [122°F] was used.
PVP, Pump Side Module
Pressure relief valve characteristic in PVP
The pressure relief valve is set at an oil flow of 15 l/min [4.0 US gal/min].
Setting range:
• 30 to 350 bar [435 to 5075 psi] with PVSI end plate
• 300 bar [4351 psi] with PVS end plate
Pressure relief valve characteristic
Neutral flow pressure characteristic (open centre)
44
520L0344 • Rev HA • Nov 2011
PVB, High Flow Modules
Oil flow characteristics
The oil flow for the individual spool depends on:
• type of basic module (with/without compensation)
• type of pump (fixed or variable displacement).
Pressure-compensated PVB, open or closed centre PVP
The oil flow is dependent on the supplied pump oil flow. The characteristics are plotted
for a pump oil flow, QP, corresponding to the rated max. spool oil flow, QN.
Increasing the pump oil flow to 1,4 × QN will give the same oil flow on the eighth as on
the first basic module.
Please note:
The letters AA, A, B, etc. denote spool types, see pages ZZ to YY. The characteristic below
is shown for spool travel in both directions. All other characteristics are shown for spool
travel in one direction only.
High oil flow characteristic
US = Signal voltage
UDC = Supply voltage
1 = First PVB after PVP
8 = Eighth PVB after PVP
520L0344 • Rev HA • Nov 2011
45
PVB, Basic Modules
For PVB basic modules without pressure compensator the top ends of the characteristics
(max. oil flow) are different so they correspond to those of the standard flow control
spools, see characteristics for PVB without pressure compensator.
Linear characteristic
US = Signal voltage
UDC = Supply voltage
1 = First PVB after PVP
8 = Eighth PVB after PVP
46
520L0344 • Rev HA • Nov 2011
PVB, Basic Module
(continued)
PVB without pressure compensation, open centre PVP
Oil flow as a function of spool travel
The spool flow is dependent on the
supplied oil flow, QP.
The characteristics apply to supply
oil flow of 130 l/min [34.3 US gal/
min] with the actuation of one basic
module.
If several basic modules are activated
at the same time, the characteristic
depends on the load pressure of the
actuated basic modules.
Oil flow QA/B as a function of supplied pump oil flow (QP)
The pressure drop of any oil flowing back to tank (QP - QA/B) is read on the curve for
neutral flow pressure in PVP.
Characteristic for fully displaced flow control spools.
520L0344 • Rev HA • Nov 2011
47
PVB, Basic Module
(continued)
PVB without pressure compensation, closed centre PVP
Set pressure difference between pump
pressure and LS signal = 10 bar [145 psi].
Set pressure difference between pump
pressure and LS signal = 20 bar [290 psi].
The oil flow is dependent on the pressure difference between the pump pressure and
the LS signal. Normally the pressure difference is set at the LS pump regulator.
48
520L0344 • Rev HA • Nov 2011
PVB, Basic Module
(continued)
Characteristic for pressure drop PVB at max. main spool travel
Characteristic for pressure drop PVB for open spool in neutral position
520L0344 • Rev HA • Nov 2011
49
PVB, Basic Module
(continued)
Load-independent oil flow characteristic, pressure-compensated PVB
Oil flow characteristic at LS pressure limiting, pressure-compensated PVB
50
520L0344 • Rev HA • Nov 2011
PVLP, Shock and Suction
Valve
PVLP, shock valve
PVLP is set at an oil flow of 10 l/min [2.6 US gal/min]. The shock valve PVLP is designed to
absorb shock effects. Consequently, it should not be used as a pressure relief valve.
If the working function requires the use of a pressure relief valve, a PVB basic module
with built-in LSA/B pressure limiting valve should be used.
PVLP, shock valve characteristic
PVLA,Suction Valve
PVLA, suction valve characteristic
520L0344 • Rev HA • Nov 2011
51
Pressure Control Spools
Characteristics in
Extreme Positions
Size A:
Size B:
1: See example page 46
Size C:
52
520L0344 • Rev HA • Nov 2011
Pressure Control
Spools, Characteristics
in Extreme Positions
(continued)
Size D:
2: See example page 46
Size E:
Pressure build-up
Max. oil flow can be reduced by about 50% without limitation of maximum pressure by
limiting the main spool travel from 7 mm [0.28 in] to 5.5 mm [0.22 in]
520L0344 • Rev HA • Nov 2011
53
Examples of How To Use
the Characteristics for
Pressure Control Spools
Example of determining the oil flow
• Given:
–– Spool type B
–– Pressure setting PP: 160 bar [2320 psi]
–– Load pressure, LSA/B:100 bar [1450 psi]
• Result:
–– Oil flow = 75 l/min [19.8 US gal/min] (see page 45, size B).
Example of determining spool size
• Given:
–– Max. oil flow, QA/B: 90 l/min [23.8 US gal/min]
–– Pressure setting PP: 150 bar [2175 psi]
–– Load pressure, PLSA: 125 bar [1810 psi]
• Result:
–– D spool (see page 45, size D)
Normally a smaller spool can be chosen with pressure control. It is our experience that
the spool can be one size smaller than with normal flow control.
54
520L0344 • Rev HA • Nov 2011
Characteristics for Float
Position Main Spools
Characteristic of oil flow, spool travel and voltage
• 4.8 mm [0.19 in] spool displacement in direction A gives max. oil flow to port A
• 4.8 mm [0.19 in] spool displacement in direction B gives max. oil flow to port B
• 8 mm [0.32 in] spool displacement in direction B gives completely open float position
A/B → T.
The spools have 4,8 mm spool travel in direction A and 8 mm travel in direction B:
520L0344 • Rev HA • Nov 2011
55
Characteristics for Float
Position Main Spools
(continued)
Pressure drop A/B → T at max. spool travel within the proportional range (4.8 mm) [0.19 in]
Spools D and E have the same opening area for forward flow and return flow.
Spool E can give 100 l/min [26.4 US gal/min] pressure compensated oil flow due to a
higher pressure drop across spool E. This occurs during spool actuation only.
Pressure drop A/B → T in float position
56
520L0344 • Rev HA • Nov 2011
Dimensions
Dimensions
PVB
mm
[in]
mm
in]
L1
L2
1
82
[3.23]
140
[5.51]
2
130
[5.12]
189
[7.44]
3
178
[7.01]
238
[9.37]
4
226
[8.90]
287
[11.30]
5
274
[10.79]
336
[13.23]
6
322
[12.68]
385
[15.16]
7
370
[14.57]
434
[17.09]
8
418
[16.46]
483
[19.02]
9
466
[18.35]
527
[20.95]
10
514
[20.24]
576
[22.87]
11
562
[562]
622
[622]
12
610
[610]
670
[670]
22.5°
J
23[0.91]
16.5[0.650]
12[0.47]
M
L
48[1.89]
PVS=11.5[0.453]
PVSI=12[0.47]
N
B4
112.5[4.430]
115.5[4.457]
A4
B3
A
A3
B
1
2
B
L
L
B2
B1
A1
Q
24[0.94]
23[0.91]
48[1.89]
37[1.46]
23[0.91]
C
22[0.87]
A2
C
37[1.46]
85.5[3.366]
K
35[1.38]
R
38.5[1.516]
P
34.5[1.358]
79.5[3.130]
95[3.74]
58.5[2.303]
A
H
LS
I
38.5[1.516]
G
T
70.5[2.776]
141[5.55]
38.5[1.516]
F
69.5[2.736]
36[1.42]
21[1.118]
36.5[1.437]
95[3.74]
F:
G:
H:
I:
J:
K:
L:
M:
N:
O:
P:
Q:
R:
S:
O
S
P
Shock and suction valve, PVLP
V310140.A
Pressure gauge connection; G 1/4, 12 mm deep – [1/2 in-20, 0.47 in deep]
Plug for external pilot oil supply, PVPC; G 1/2, 12 mm deep – [1/2 in-20, 0.47 in deep]
Electrical LS unloading valve, PVPX
LS connection; G 1/4, 12 mm deep – [1/2 in-20, 0.47 in deep]
Fixing holes; M8 × min. 10 – [5/16 in-18, 0.47 in deep]
Port A and B; G 1/2, 14 mm deep – [7/8 in-14, 0.65 in deep]
LX connection: PVS; G 1/8, 10 mm deep – [3/8 in-24, 0.39 in deep] and PVSI; G 1/4, 12 mm [0.47 in] deep – [1/2 in-20, 0.47 in deep]
LS pressure limiting valve
Tank connection; G 3/4, 16 mm deep – [1 1/16 in-12, 0.75 in deep]
Pressure relief valve
Pump connection; G 1/2, 14 mm deep or G 3/4, 16 mm deep – [7/8 in-14, 0.65 in deep or 1 1/16 in-12, 0.75 in deep]
LSA and LSB connections; G 1/4, 12 mm [0.47 in] deep – [1/2 in-20, 0.47 in deep]
Pp, pilot pressure connection G ¼
520L0344 • Rev HA • Nov 2011
57
Dimensions
Dimensions (continued)
6.5[0.256]
7[0.28]
49.5[1.949]
33[1.30]
110[4.33]
max.200.5[7.894]
6.5
65[
44 [
1.73
P
V
M
D
~1
85[3.35]
P
V
H
7[0.28]
32[1.26]
85[3.35]
58.5[2.303]
45[1.77]
P
V
M
R
/
F
0]
A-A
2]
F
60[2.36]
17[0.67]
7[0.28]
129[5.08]
95[3.74]
13[0.51]
85.5[3.366]
B-B
PVEO
107[4.21]
110[4.33]
max.290.50[11.437]
60[2.36]
89.5[3.524]
117[4.61]
7[0.28]
139[5.472]
C-C
PVEM/PVEH/
PVES
107[4.21]
110[4.33]
max.290.50[11.437]
60[2.36]
V310141.A
F: G 1/4, 12 mm deep [1/2 in - 20, 0.47 in deep]
58
520L0344 • Rev HA • Nov 2011
Dimensions
Control Lever Positions
Base with an angle of 22.5°
Base with an angle of 37.5°
19.
5˚
19.5˚
19
.5˚
19
.5˚
37.5
˚
.5˚
.5˚
82
127
52
.5˚
97
22.5˚
67
˚
142.5
˚
157.5˚
2.5
11
˚
.5˚
.5
520L0344 • Rev HA • Nov 2011
187.5˚
172.5˚
V310014.A
V310018.A
59
Hydraulic Systems
Manually Actuated PVG 32 – Fixed Displacement Pump
C: Over-centre valve
60
520L0344 • Rev HA • Nov 2011
Hydraulic Systems
Electrically Actuated PVG 32 – Variable Displacement Pump (Electrical Actuator, Shock Valves, etc.)
520L0344 • Rev HA • Nov 2011
61
Other Operating Conditions
Oil
The main duty of the oil in a hydraulic system is to transfer energy; but it must also
lubricate the moving parts in hydraulic components, protect them against corrosion, and
transport dirt particles and heat out of the system. It is therefore important to choose
the correct oil with the correct additives. This gives normal operation and long working
life.
Mineral oil
For systems with PVG 32 valves Sauer-Danfoss recommends the use of mineral-based
hydraulic oil containing additives: Type HLP (DIN 51524) or HM (ISO 6743/4).
Non-flammable fluids
Phosphate-esters (HFDR fluids) can be used without special precautions. However,
dynamic seals must be replaced with FPM (Viton) seals.
So please contact the Sauer-Danfoss Sales Organization if the PVG 32 valve is to be used
with phosphate-esters.
The following fluids should only be used according to agreement with the Sales
Organization for Sauer-Danfoss:
• Water-glycol mixtures (HFC fluids)
• Water-oil emulsions (HFB fluids)
• Oil-water emulsions (HFAE fluids)
Biodegradable oils
PVG 32 valves can be used in systems with rapeseed oil. The use of rapeseed oil is
conditioned by
• complying with the demands on viscosity, water content, temperature and filtering
etc. (see chapters below and technical data page 14).
• adapting the operating conditions to the directions of the oil supplier.
Before using other biodegradable fluids, please consult the Sauer-Danfoss Organization.
Particle Content, Degree
of Contamination
Oil filtration must prevent particle content from exceeding an acceptable level, i.e. an
acceptable degree of contamination.
Maximum contamination for PVG 32 is 23/19/16 (see ISO 4406. Calibration in accordance
with the ACFTD method).
In our experience a degree of contamination of 23/19/16 can be maintained by using a
filter fineness as described in the next section.
For more information, please see the Sauer-Danfoss literature:
• Design Guidelines for Hydraulic Fluid Cleanliness Technical Information, 520L0467
• Hydraulic Fluids and Lubricants Technical Information, 521L0463 and
• Experience with Bio-Hydraulic Fluids Technical Information, 521L0465.
62
520L0344 • Rev HA • Nov 2011
Other Operating Conditions
Filtration
Effective filtration is the most important precondition in ensuring that a hydraulic system
performs reliably and has a long working life. Filter manufacturers issue instructions and
recommendations. It is advisable to follow them.
System filters
Where demands on safety and reliability are very high a pressure filter with bypass and
indicator is recommended. Experience shows that a 10 µm nominal filter (or finer) or
a 20 µm absolute filter (or finer) is suitable.
It is our experience that a return filter is adequate in a purely mechanically operated
valve system.
The fineness of a pressure filter must be selected as described by the filter manufacturer
so that a particle level of 23/19/16 is not exceeded.
The filter must be fitted with pressure gauge or dirt indicator to make it possible to check
the condition of the filter.
In systems with differential cylinders or accumulators the return filter must be sized to
suit the max. return oil flow. Pressure filters must be fitted to suit max. pump oil flow.
Internal filters
The filters built into PVG 32 are not intended to filter the system but to protect important
components against large particles. Such particles can appear in the system as a result
of pump damage, hose fracture, use of quick-couplings, filter damage, starting up,
contamination, etc.
The filter in the electrical actuator PVE protecting the solenoid valves has a mesh of 150
µm.
Bursting pressure drop for internal filters is 25 bar [360 psi].
520L0344 • Rev HA • Nov 2011
63
Standard PC Spools
To be used when PVB
is with LSA/B shuttle valve
Size
Press. compensated flow
l/min [US gal/min]
A
B
C
D
E
10
25
40
65
100
[26.4] [17.2] [10.6] [6.6] [2.6]
-
7033
7032
7031
7030
Code number
157B....
AA
5
[1.3]
ISO symbol
Symbol
7035
AA
5
[1.3]
To be used when PVB
is without LSA/B shuttle valve
Size
l/min [US gal/min]
E
D
C
B
A
100
65
40
25
10
[2.6] [6.6] [10.6] [17.2] [26.4]
7015
7010
7011
7012
7013
-
7115
7110
7111
7112
7113
-
-
7040
7041
7042
7043
7044
-
7050
7051
7052
7053
7054
-
7150
7151
7152
7153
7154
-
7150
7151
7152
7153
7154
4-way, 3-position
Closed neutral position, PC → A and B
7134
7133
7132
7131
7130
7135
4-way, 3-position Throttled, open neutral
position, PC → A and B
7064
7063
7062
7061
-
4-way, 3-position
Closed neutral position, PC → A
7074
7073
7072
7071
-
4-way, 3-position
Closed neutral position, PC → B
7164
7163
7162
7161
-
4-way, 3-position
Throttled, open neutral position, PC → A
7174
7173
7172
7171
-
4-way, 3-position
Throttled, open neutral position, PC → B
64
520L0344 • Rev HA • Nov 2011
Standard PC Spools
To be used when PVB
Size
l/min [US gal/min]
E
D
C
B
A
100
65
40
25
10
[26.4] [17.2] [10.6] [6.6] [2.6]
-
7473
7472
7471
7470
Code number
157B....
AA
5
[1.3]
ISO symbol
Symbol
-
AA
5
[1.3]
To be used when PVB
Size
l/min [US gal/min]
A
B
C
D
E
10
25
40
65
100
[2.6] [6.6] [10.6] [17.2] [26.4]
-
-
-
7452
7453
-
-
-
7541
7542
7543
-
4-way, 3-position
Throttled, A → T neutral position, PC → B
-
7563
7562
-
-
4-way, 3-position
Throttled, B→ T neutral position , PC → A
520L0344 • Rev HA • Nov 2011
65
Standard PC Spools, Hydraulic Actuation
To be used when PVB
Size
l/min [US gal/min]
E
D
C
B
A
100
65
40
25
10
[26.4] [17.2] [10.6] [6.6] [2.6]
-
-
-
-
-
AA
5
[1.3]
To be used when PVB
Size
l/min [US gal/min]
A
B
C
D
E
10
25
40
65
100
[2.6] [6.6] [10.6] [17.2] [26.4]
9015
9010
9011
9012
-
-
-
-
-
9042
9043
9044
-
-
-
9052
9053
9054
Code number
157B....
AA
5
[1.3]
ISO symbol
Symbol
4-way, 3-position
Closed neutral position, PC → A and B
-
-
-
-
-
4-way, 3-position
Closed neutral position, PC → A
-
-
-
-
-
4-way, 3-position
Closed neutral position, PC → B
66
520L0344 • Rev HA • Nov 2011
Standard FC Spools
To be used when PVB
Size
l/min [US gal/min]
C
D
E
F
40
65
100
130
[34.3] [26.4] [17.2] [10.6]
B
25
[6.6]
A
10
[2.6]
AA
5
[1.3]
7026
7021
7020
7025
7024
7023
7022
To be used when PVB
Size
l/min [US gal/min]
Code number
157B....
ISO symbol
Symbol
AA
5
[1.3]
A
10
[2.6]
B
25
[6.6]
F
E
D
C
130
100
65
40
[10.6] [17.2] [26.4] [34.3]
7005
7000
7001
7002
7003
7004
7006
7105
7100
7101
7102
7103
7104
7106
-
7200
7201
7202
7203
7204
-
-
-
7301
7302
7303
7304
-
4-way, 3-position
Closed neutral position
7126
7124
7123
7122
7121
7120
7125
4-way, 3-position
Throttled, open neutral position
-
-
-
-
-
-
3-way, 3-position
Closed neutral position, P → A
-
-
-
-
-
-
3-way, 3-position
Closed neutral position, P → B
520L0344 • Rev HA • Nov 2011
67
Standard FC Spools
To be used when PVB
Size
l/min [US gal/min]
C
D
E
F
40
65
100
130
[34.3] [26.4] [17.2] [10.6]
-
7424
7423
7422
To be used when PVB
Size
l/min [US gal/min]
Code number
157B....
B
25
[6.6]
A
10
[2.6]
AA
5
[1.3]
7421
-
-
ISO symbol
Symbol
AA
5
[1.3]
A
10
[2.6]
B
25
[6.6]
F
E
D
C
130
100
65
40
[10.6] [17.2] [26.4] [34.3]
-
-
7401
7402
7403
7404
7406
-
-
7501
7502
7503
7504
-
-
-
-
-
-
-
-
4-way, 3-position
Throttled, A → T in neutral position
-
7524
7523
7522
7521
-
4-way, 3-position
Throttled, B → T in neutral position
-
7624
7623
7622
7621
7620
4-way, 4-position
Float P → B → F
68
520L0344 • Rev HA • Nov 2011
Standard FC Spools, Hydraulic Actuation
To be used when PVB
Size
l/min [US gal/min]
E
D
C
B
A
100
65
40
25
10
[26.4] [17.2] [10.6] [6.6] [2.6]
AA
5
[1.3]
9024
9025
9023
9022
9021
9020
AA
5
[1.3]
To be used when PVB
Size
l/min [US gal/min]
A
B
C
D
E
10
25
40
65
100
[2.6] [6.6] [10.6] [17.2] [26.4]
9005
9000
9001
9002
9003
9004
9105
9100
9101
9102
9103
9104
AA
5
[1.3]
To be used when PVB
Size
l/min [US gal/min]
A
B
C
D
E
10
25
40
65
100
[2.6] [6.6] [10.6] [17.2] [26.4]
Code number
157B....
ISO symbol
Symbol
4-way, 3-position closed neutral position
9124
9123
9122
9121
9120
9125
4-way, 3-position Throttled open neutral position
PVMR, FC Spools for Friction Detent
To be used when PVB
Size
l/min [US gal/min]
E
D
C
B
A
100
65
40
25
10
[26.4] [17.2] [10.6] [6.6] [2.6]
9724
9723
9722
9721
9720
Code number
157B....
AA
5
[1.3]
ISO symbol
-
Symbol
-
9700
9701
9702
9703
9704
-
9710
9711
9712
9713
9714
4-way, 3-position closed neutral position
9734
9733
9732
9731
9730
4-way, 3-position Throttled open neutral position
520L0344 • Rev HA • Nov 2011
69
FC Spools for Mechanical Float Position PVMF
To be used when PVB
Size
l/min [US gal/min]
C
D
E
F
40
65
100
130
[34.3] [26.4] [17.2] [10.6]
-
9824
9823
9822
To be used when PVB
Size
l/min [US gal/min]
Code number
157B....
B
25
[6.6]
A
10
[2.6]
AA
5
[1.3]
9821
9820
9825
ISO symbol
Symbol
F
E
D
C
130
100
65
40
[10.6] [17.2] [26.4] [34.3]
AA
5
[1.3]
A
10
[2.6]
B
25
[6.6]
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4-way, 4 position
P→A→F
-
9624
623
9622
9621
-
4-way, 4-position
Float P → B → F
70
520L0344 • Rev HA • Nov 2011
FC Spools with Linear Flow Characteristic
To be used when PVB
Size
l/min [US gal/min]
C
D
E
F
40
65
100
130
[34.3] [26.4] [17.2] [10.6]
-
9774
9773
9772
To be used when PVB
Size
l/min [US gal/min]
Code number
157B....
B
25
[6.6]
A
10
[2.6]
AA
5
[1.3]
9771
-
-
ISO symbol
Symbol
AA
5
[1.3]
A
10
[2.6]
B
25
[6.6]
F
E
D
C
130
100
65
40
[10.6] [17.2] [26.4] [34.3]
-
9750
9751
9752
9753
9754
-
-
9760
9761
9762
9763
9764
-
-
-
-
-
-
9794
-
-
-
-
-
-
9804
-
4-way, 3-position
-
9784
9783
9782
9781
-
4-way, 3-position
Throttled, open neutral position
-
-
-
-
-
-
4-way, 3-position
Throttled, A → T in neutral position
-
-
-
-
-
-
4-way, 3-position
B → T in neutral position
520L0344 • Rev HA • Nov 2011
71
PVB, basic valves
Description
No facilities for shock
valves A and B
G ½ 7∕8 - 14 UNF
Without compensator /check valve
With check valve
With check valve and LSA/B shuttle valve
With compensator valve
With damped compensator valve
With compensator valve, LSA/B relief
valve and LSA/B shuttle valve
With damped compensator valve,
LSA/B relief valve and LSA/B shuttle valve
Weight
kg [lb]
Facilities for shock
valves A and B
G½
7∕8 - 14 UNF
6000
6400
6030
6430
6100
6500
6130
6530
-
-
6136
6536
6200
6600
6230
6630
6206
-
6236
-
6203
6603
6233
6633
6208
-
6238
-
3.1 [6.8]
0
3.0 [6.6]
c
0
0
PVPC, plugs
Weight
kg
[lb]
Description
G½
½ in - 20
External pilot supply
External pilot supply incl. check valve
5400
—
0.05
0.1
5600
5700
0.05
0.1
1-10
13
11
a
12
c
PVM, mechanical actuation
Alu
Description
Standard
Standard with base,
without arm and button
Standard without base,
without arm and button
Weight kg [lb]
Alu
anodized
Iron
Angle
with stop
screws
without
stop screws
with stop
screws
without
stop screws
157B3171
157B3191
157B3184
157B3161
22,5°/37,5°
157B3174
157B3194
—
—
22,5°/37,5°
157B3173
157B3193
157B3186
—
—
0.4 [0.9]
b
0.8 [1.8]
* Without stop screws. **Anodized 157B3184
V310168.A
PVAS, assembly kit
Code no.
PVB’s
PVB + PVPVM
0
1
2
3
4
5
6
7
8
9
10
11
12
8000
8001
8002
8003
8004
8005
8006
8007
8008
8009
8010
8061
8062
-
8021
8022
8023
8024
8025
8026
8027
8028
8029
8030
8081
8082
Weight kg [lb] 0.1[0.2] 0.15 [0.3] 0.25 [0.6] 0.30 [0.7] 0.40 [0.9] 0.45 [1.0] 0.50 [1.1] 0.60 [1.3] 0.65 [1.4] 0.70 [1.6] 0.80 [1.7] 0.85 [1.8] 0.9 [2.0]
72
520L0344 • Rev HA • Nov 2011
PVP, pump side module
Description
Without pilot supply
for PVE for PVE with
facilit. for PVPX
5000
5200
5100
5102
5300
-
P = G 1/2, T = G 3/4
P = 7/8 in - 14, T = 1 1/16 in - 12
P = G 3/4, T = G 3/4
P = 1 1/16 in - 12, T = 1 1/16 in - 12
Open
centre
Closed
centre
Weight
for PVE
for PVE and
facilit. for PVPX
5012
5212
5112
5312
5010
5210
5110
5310
P = G 1/2 , T = G 3/4,
5001
-
5011
5013
P = 7/8 in - 14, T = 1 1/16 in - 12
P = G 3/4, T = G 3/4,
P = 1 1/16 in - 12, T = 1 1/16 in - 12
kg [lb]
5201
5101
5301
5103
-
5211
5111
5311
5213
5113
5313
3 [6.6]
With pilot supply
for PVE and pilot oil
pressure take-off
5180
5380
for PVH and pilot oil
pressure take-off
5190
5390
-
-
5181
5381
5191
5391
0
PVPX, electrical LS pressure relief valves
c
0
Description/
Supply voltage
0
Normally open
1-10
Normally closed
13
Normally open with
manual override
11
a
12 V
24 V
12 V
24 V
26 V
12 V
24 V
26 V
Plug
12
Code No.
Code No.
Hir.
157B4236 157B4981
157B4238 157B4982
157B4246 157B4983
157B4248 157B4984
157B4976 157B4256 157B4985
157B4258 157B4986
157B4260 157B4978
157B5601
Weight
kg [lb]
0.3 [0.7]
0.06 [.13]
c
End plate, PVS, PVSI
Description
PVS, without connections
PVS, with LX connection
G 1/8 [3/8 -24 UNF]
PVSI, without connections
PVSI, with LX connections
G 1/4 [1/2 -20 UNF]
b
BSP
SAE
157B2000
157B2020
157B2011
157B2021
157B2014
157B2004
157B2015
157B2005
Weight
kg [lb]
0.5 [1.1]
1.7 [3.6]
V310168.A
PVLP, shock/and anti-cavitation valves
Code no.
Settings
bar
2032 2050 2063 2080 2100 2125 2140 2150 2160 2175 2190 2210 2230 2240 2250 2265 2280 2300 2320 2350 2380 2400
32
50
63
[psi] 460
725
914
80
100
125
140
150
160
175
190
210
230
240
250
265
280
300
320
350
380
400
1160 1450 1813 2031 2175 2320 2538 2755 3045 3335 3480 3625 3845 4061 4351 4641 5075 5511 5801
Weight
0.05 kg [0.17 lb]
520L0344 • Rev HA • Nov 2011
73
PVE, electrical actuation
Description
Deut.
12 V
4216
4901
4291
24 V
4228
4902
4292
12 V
4217
4903
-
24 V
4229
4904
-
12 V
4116
-
-
24 V
4128
-
-
PVEM, prop. medium 12 V
– Float -> B
24 V
4416
-
-
4428
-
-
PVEA, active fault mon.
PVEA, passive fault mon.
-
4734
4735
4792
-
PVEA-DI, active fault mon.
PVEA-DI, passive fault mon.
-
4736
4737
4796
-
PVEH active fault mon.
PVEH passive fault mon.
4032
4033
4034
4035
4092
4093
PVEH float -> B, act. fault
PVEH float -> A, act. fault
4332
-
4338
4392
-
-
4036
4037
4096
-
4832
4833
4834
4835
4892
-
PVEO-R, on/off
0
PVEM, prop. medium
– Standard
c
0
1-10
13
11
a
PVEH- DI active fault mon.
PVEH - DI passive fault mon.
12
PVES, active fault mon.
PVES, passive fault mon.
c
Weight
AMP
PVEO, on-off
0
Code No.
Hirsch
kg [lb]
0.6 [1.3]
0.9 [2.0]
1.0 [2.2]
0.9 [2.0]
1.0 [2.2]
Description
Cover for PVB
b
PVMR
(Frict. Detent)
V310168.A
PVMF
(Mech. float position)
Hydraulic actuation
PVH 9/16-18 UNF
Hydraulic actuation
PVH G1/4
Code No.
Hirsch
157B0001
157B0009
157B0021
157B0004
157B0012
157B0024
Material
aluminium
cast iron
aluminium
cast iron
Anodized
PVPX, electrical LS pressure relief valves
Weight
kg [lb]
no
0.1 [0.2]
yes
n/a 0.9 [2.0]
no
yes
n/a 0.3 [0.6]
157B0005 aluminium
no
157B0007
157B0010
157B0014
157B0008
157B0011
157B0016
no
yes
n/a 0.2 [0.4]
no
yes
n/a 0.9 [2.0]
aluminium
iron
aluminium
iron
PVLA, anti-cavitation valve
74
520L0344 • Rev HA • Nov 2011
Description
Code No.
Plug A or B
Valve A or B
157B2002
157B2001
Weight
kg
0.04
0.05
[lb]
0.09
0.1
Order Specification
Order Specification
An order form for Sauer-Danfoss PVG 32 hydraulic valve is shown on the next page. The
form can be obtained from the Sauer-Danfoss Sales Organization.
Both the module selection chart on the previous pages and the order form are divided
into fields 0, 1-10, 11, 12, 13, a, b, and c.
Each module has its own field:
0:
–– Pump side module PVP
–– Plug for external pilot oil supply PVPC
–– Electrical LS unloading valve PVPX
1-10: Basic valves PVB
13: Main spool PVBS
a: Mechanical actuator PVM (or PVE when option mounted)
c:
–– Cover for mechanical actuation PVMD
–– Cover for hydraulic actuation PVH
–– Electrical actuators PVE (or PVM when option mounted)
b:
–– Shock and suction valve PVLP
–– Suction valve PVLA
11: End plate PVS
12: Assembly kit PVAS
Please state
–– Code numbers of all modules required
–– Required setting (P) for pump side module
–– Required setting of LSA/B pressure limiting valves,
see pressure setting guidance below.
Standard and option assembly
The PVG 32 valve group is assembled the way the module selection chart shows if the
code number for PVM is written in field a, and the code number for PVMD, PVE or PVH in
field c.
The valve group is assembled so that the mechanical actuator is mounted on the
opposite end of the basic module, if the code number for PVM is written in field c of the
order form and the code numbers for PVMD, PVE or PVH in field a.
Reordering
The space at the top right-hand corner of the form is for Sauer-Danfoss to fill in.
The code number for the whole of the specified valve group (PVG No.) is entered here.
In the event of a repeat order all you have to do is enter the number Sauer-Danfoss has
given on the initial confirmation of order.
520L0344 • Rev HA • Nov 2011
75
Order Specification
Order Specification
(continued)
Pressure setting limits
The maximum setting pressure for the pressure limiting valves LSA or LSB depends on
the chosen pressure setting for shock valve PVLP. The maximum values recommended to
avoid interaction can be read in the following table.
The figures in the table have been calculated according to the following expressions:
- PVLP ≤150 bar: LSA/B ≤ 0.8 × PPVLP
- PVLP >150 bar: PPVLP - LSA/B ≥ 30 bar.
Max. pressure setting of LSA and LSB valves relative to PVLP shock valve
Setting pressure
for PVL
Max. setting
pressure for LSA/B
Min. setting
pressure for LSA/B
76
bar
32
50
63
80
100
[psi]
460
725
914 1160 1450 1813 2031 2175 2320 2838 2755 3045 3335 3480 3625 3843 4061 4351 4641 5075
bar
-
40
50
64
[psi]
-
580
720
930 1160 1450 1625 1740 1885 2100 2320 2610 2900 3045 3190 3408 3625 3915 4205 4641
80
125
100
140
112
150
120
160
130
175
190
145
160
bar
30
[psi]
435
520L0344 • Rev HA • Nov 2011
210
180
230
200
240
210
250
220
265
235
280
250
300
270
320
290
350
320
Order Specification
Order Specification
Forms
PVG 32
Specification Sheet
Subsidiary/Dealer
PVG No.
Customer
Customer No.
Application
Revision No.
Function
A-Port
0
157B
p=
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
Remarks
Filled in by
1
2
bar
157B
LSA
10
bar
157B
LSA
9
bar
157B
LSA
8
bar
157B
LSA
7
bar
157B
LSA
6
bar
157B
LSA
5
bar
157B
LSA
4
bar
157B
LSA
3
bar
157B
LSA
bar
157B
LSA
11
157B
12
157B
B-Port
157B
bar
157B
157B
13
157B
c
LSB
bar
157B
b
157B
13
157B
c
LSB
bar
157B
b
157B
13
157B
c
LSB
bar
157B
b
157B
13
157B
c
LSB
bar
157B
b
157B
13
157B
c
LSB
bar
157B
b
157B
13
157B
c
LSB
bar
157B
b
157B
13
157B
c
LSB
bar
157B
b
157B
13
157B
c
LSB
bar
157B
b
157B
13
157B
c
LSB
bar
157B
b
157B
13
157B
c
LSB
bar
157B
b
Date
PHYD-PVG32-3
Separate specification pads are available under the literature no. 520L0515.
520L0344 • Rev HA • Nov 2011
77
Order Specification
PVG 32
Order Specification
Forms (continued)
SAE Specification Sheet
Subsidiary/Dealer
PVG No.
Customer
Customer No.
Application
Revision No.
Function
A-Port
0
157B
p=
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
a
157B
b
157B
Remarks
Filled in by
1
2
psi
157B
LSA
10
psi
157B
LSA
9
psi
157B
LSA
8
psi
157B
LSA
7
psi
157B
LSA
6
psi
157B
LSA
5
psi
157B
LSA
4
psi
157B
LSA
3
psi
157B
LSA
psi
157B
LSA
11
157B
12
157B
B-Port
157B
psi
157B
157B
13
157B
c
LSB
psi
157B
b
157B
13
157B
c
LSB
psi
157B
b
157B
13
157B
c
LSB
psi
157B
b
157B
13
157B
c
LSB
psi
157B
b
157B
13
157B
c
LSB
psi
157B
b
157B
13
157B
c
LSB
psi
157B
b
157B
13
157B
c
LSB
psi
157B
b
157B
13
157B
c
LSB
psi
157B
b
157B
13
157B
c
LSB
psi
157B
b
157B
13
157B
c
LSB
psi
157B
b
Date
PHYD-PVG32-3
78
520L0344 • Rev HA • Nov 2011
520L0344 • Rev GE • Dec 2010
77
Notes
Notes
520L0344 • Rev HA • Nov 2011
79
Products we offer:
• Bent Axis Motors
• Closed Circuit Axial Piston Pumps
and Motors
• Displays
• Electrohydraulic Power Steering
• Electrohydraulics
• Hydraulic Power Steering
Sauer-Danfoss is a global manufacturer and supplier of highquality hydraulic and electronic components. We specialize in
providing state-of-the-art technology and solutions that excel in
the harsh operating conditions of the mobile off-highway market.
Building on our extensive applications expertise, we work closely
with our customers to ensure exceptional performance for a broad
range of off-highway vehicles.
We help OEMs around the world speed up system development,
reduce costs and bring vehicles to market faster.
Sauer-Danfoss – Your Strongest Partner in Mobile Hydraulics.
• Integrated Systems
• Joysticks and Control Handles
• Microcontrollers and Software
Go to www.sauer-danfoss.com for further product information.
• Open Circuit Axial Piston Pumps
• Orbital Motors
• PLUS+1™ GUIDE
• Proportional Valves
• Sensors
• Steering
Wherever off-highway vehicles are at work, so is Sauer-Danfoss.
We offer expert worldwide support for our customers, ensuring
the best possible solutions for outstanding performance. And with
an extensive network of Global Service Partners, we also provide
comprehensive global service for all of our components.
• Transit Mixer Drives
Please contact the Sauer-Danfoss representative nearest you.
Local address:
Members of the Sauer-Danfoss Group:
Comatrol
www.comatrol.com
Schwarzmüller-Inverter
www.schwarzmueller-inverter.com
Turolla
www.turollaocg.com
Hydro-Gear
www.hydro-gear.com
Sauer-Danfoss-Daikin
www.sauer-danfoss-daikin.com
520L0344 • Rev HA • Nov 2011
Sauer-Danfoss (US) Company
2800 East 13th Street
Ames, IA 50010, USA
Phone: +1 515 239 6000
Fax:
+1 515 239 6618
Sauer-Danfoss ApS
DK-6430 Nordborg, Denmark
Phone: +45 7488 4444
Fax:
+45 7488 4400
Sauer-Danfoss GmbH & Co. OHG
Postfach 2460, D-24531 Neumünster
Krokamp 35, D-24539 Neumünster, Germany
Phone: +49 4321 871 0
Fax:
+49 4321 871 122
Sauer-Danfoss-Daikin LTD.
Shin-Osaka TERASAKI 3rd Bldg. 6F
1-5-28 Nishimiyahara, Yodogawa-ku
Osaka 532-0004, Japan
Phone: +81 6 6395 6066
Fax:
+81 6 6395 8585
www.sauer-danfoss.com

PVG 32 Proportional Valve Groups

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