Yarway 5300 Automatic Recirculation Brochure

Transcription

Yarway 5300 Series ARC® Valve
For Centrifugal Pump Protection
The 5300 Series Automatic Recirculation Control
ARC® valve performs four separate functions within
the pumping circuit, all within one compact body.
Features
• Saves Power Costs
- Eliminates the need for continuous
recirculation to cool the pump.
• Saves System Engineering Time
- Includes reverse flow prevention,
low flow detection, recirculation
flow control, and recirculation flow
pressure reduction.
- Eliminates multiple vendor
complexities associated with
systems combining various
pneumatic, thermal and mechanical
components.
• Saves Installation and Maintenance
Costs
- Needs no electrical wiring, plant
or instrument air.
- Eliminates other components of a
conventional system.
- Eliminates multiple pressure
reducing orifices and capillary
tubes.
- Eliminates duplication created by
two control valves in a series – one
for pressure reduction and one
for tight shut-off.
• Reduces Downtime
- Minimizes the problems of high
velocity wiredrawing and cavitation
erosion common to high pressure
drop service.
Sizes
• 3" to 12" main discharge feed.
• 1" to 3" recirculation discharge.
• Flanged or Butt Welding
end connections.
Pressures
• Classes 600, 900, 1500, 2500.
Temperature Limitations
• 500°F
www.pentair.com/valves
Copyright © 2013 Pentair. All rights reserved.
YAWMC-0489-US-0908
Piston positions bypass
control valve.
Check Valve
Bypass Control Valve
prevents reverse flow
and detects low flow.
permits passage of limited
cooling water flow through
pump during low load.
Discharge Nozzle
provides back pressure
for fluid condition
control.
Bypass Flow Ports
provide passage for
minimum cooling flow to
bypass control valve.
Lever triggers pilot valve.
Flutes reduce pressure
by redirecting flow.
Cascade Piston
dissipates energy of high
pressure discharge.
Pilot Valve
activates cascade element.
YAWMC-0489
2
Automatic Recirculation Control Valve
During critical low load periods,
centrifugal feed pumps need a reliable
recirculation system to prevent pump
instability and overheating. Because
many such systems are constructed
of a number of components, the
systems can become both complex
and costly, requiring substantial outlays
for design, installation and maintenance.
Yarway’s 5300 ARC® valve, on the other
hand, is a complete system within itself.
It actually performs four separate
functions within the pumping circuit – all
within one compact body. Essentially,
the 5300 ARC® valve is a check valve
installed in the main line. But it also acts
as the sensing and powering element
which pilots the operation of a
recirculation control valve. The sensing
system responds to changes in flow
rather than pressure.
The control valve incorporates a
pressure reducing device that divides
recirculation flow and guides the
resulting streams through successive
90° turns to dissipate the destructive
energies of high pressure while
controlling fluid velocity.
But perhaps even more importantly,
the 5300 ARC® valve recirculates only
that flow needed to cool a feed pump
at critical times of low load rather than
permitting a continuous recirculation
flow. The valve therefore saves the
electrical power that continuous
recirculation would consume, which can
cost several thousand dollars per year.
One Valve – Four Functions
Flow sensing that actuates the pilot
or the bypass control valve which
permits passage of a limited flow of
cooling liquid during low load periods.
This flow is delivered to the cascade
element which dissipates the energy
for quiet, safe delivery to the deaerator,
condenser or other low pressure sink.
Check valve prevents reverse flow
through the feed pump.
Control Loop System
Storage
vessel
Gate valve
(optional)
Multiple pressurereducing orifice
Four-way air
solenoid valve
Recirculation
control valve
FIC
To process
Gate valve
(optional)
Gate or
control valve
Flow meter
Check
valve
Pump
Sensing orifice
Yarway System
Remote back pressure
regulator (optional)
Storage
vessel
Check
valve
To process
Bypass
element
Gate or
control valve
Automatic
recirculation
valve
Pump
YAWMC-0489
3
How it Works
the bypass valve is equal to the minimum
flow requirement of the pump. The
directional changes of the successive
helical flutes, as well as the multiple
orifices, provide for the absorption of
pressure energy.
The ARC® valve is installed in the pump
discharge line in the position of the main
check valve it replaces. It is adaptable
to horizontal or vertical piping and to
either horizontal or vertical upward flow.
Flanged or welded ends are optional
to suit specifications.
The bypass valve will remain in an open
position as long as the pilot valve is open.
This corresponds with the position the
disc assumes at flow rates between an
established low flow and no flow through
the main check valve. As the flow rate
exceeds the minimum flow rate, the
rising disc allows the pilot valve to
close; pressure entering the chamber
over the piston through the annular
clearance around the pilot.
Decreasing flow through the valve
causes the spring loaded disc to move
toward its seat. At a flow rate determined
by the minimum flow requirement
through the pump, the disc triggers the
pilot valve through the lever. This vents
the pressure on the head of the piston.
Pressure acting on the opposite side
of the piston opens the bypass valve,
permitting flow through the multi-stage
cascade element. The flow rate through
Main Flow
Normal Main Flow
Main Flow
Check Valve - Open
Pilot Valve - Closed
Cascade Valve - Closed
* Normal Flow Range - flow rate between
maximum pump delivery and required
minimum flow rate of pump.
Normal Flow Range*
Check
Valve
Bypass
Flow
Fulcrum
Main Flow from Pump
Low Main Flow
Pilot
Valve
Cascade
Piston
Main Flow
Check Valve - at Switch Point
Pilot Valve - Partially Open
Cascade Valve - Opening
Check
Valve
Bypass
Flow
Fulcrum
Main Flow from Pump
Low Main Flow
Pilot
Valve
Cascade
Piston
Main Flow
Check Valve - Closed
Pilot Valve - Open
Cascade Valve - Open
Check
Valve
Bypass
Flow
Fulcrum
Main Flow from Pump
Pilot
Valve
Cascade
Piston
YAWMC-0489
4
How it Works
Valve Installation
(common line to receiver)
Piping Installation
(separate line to receiver)
Receiver vessel
Receiver vessel
Check valve
To process
To process
Check valve
Flow from
feed pump
3R Elbow radius
equal to 3 times
normal pipe size
Flow from
feed pump
3R Elbow radius
equal to 3 times
normal pipe size
How to Specify
Centrifugal pump minimum flow
protection shall be provided by a
self-contained multi-function valve
which requires no external source
of power. The valve shall provide the
functions of:
1. Spring loaded check valve to prevent
pump damage from reverse flow.
2. Flow sensor that will activate bypass
valve at the specified minimum flow.
3. Bypass flow control valve, sized
to provide the minimum required
pump flow.
4. Pressure reducing device to
effectively reduce high pump
discharge pressures to low receiver
tank/sump pressures.
Actuation of the bypass valve shall
be by direct contact of the switching
mechanism to the check valve disc.
No levers or linkages shall be utilized.
Bypass trim travel shall have a 1:1
proportional ratio with the flow sensing
disc travel to provide truly optimum
modulated flow control. One piece
operating element shall be preferred
for maximum reliability. The bypass
trim shall also be capable of providing
extended bypass control service.
Service limitations or manual bypass
lines for extended bypass service
shall not be acceptable.
bypass shall be the vendor’s
responsibility to control flashing,
cavitation and choked flow conditions
both within the trim and at the valve
discharge. Sealing surfaces in trim
shall be located in an area where it
will not be prone to erosion and/or
cavitation damage.
Valves shall be flow tested by the
manufacturer, and certified performance
curves shall be provided with the
valve shipment.
The ARC® valve shall be designed and
constructed in accordance with ANSI
B16.34. Pressure reduction in the
YAWMC-0489
5
Series 5300 ARC®
Parts and Material
Item Part
12
Body
1-A Liner
7
“Size”
RFFlange
Flange
“Size” RF
Per ANSI
Per
ANSIB16.5
B16.5
8
6
6
5
“E”
Stage
“E” Stage
Cascade
Cascade
4
“D” RF Flgd
ANSI B16.5
C ± 1/16
13
13
10
15
12
12
1
1
B ± 1/32
9
9
2
2
Body Bushing
3
4
51
62
Retaining Ring
Liner
O-ring
Bonnet
7
8
92
10
12
13
Cap Screw
Body Bypass
Disc
Disc Pin
Spring
14
Control Head (I/C)
14
Control Head
(Bar Stock)
Lever
Pivot Pin
Pilot Valve
Pilot Valve Nut
Cascade Piston
15
16
171
18
191
3
A ± 1/32
201
Series 5300 ARC® “E” Stage Cascade
1-A
1-A
14
14
22
23
23
22
22
25
25
19
19
21
221
231
241
25
261
271
341
351
361
391
40
20
20
17
17
18
18
16
16
26
26
27
27
34
34
35
35
36
36
39
39
24
24
40
40
Guide Ring
Cascade Seat
Bushing
Piston Guide Pin
(3", 10", 12")
O-ring
O-ring
Guide Pin
Cap Screw
Seal Ring
O-ring
Pilot Valve Seat
O-ring
O-ring
O-ring
Orifice
Material
ASTM A-216 Grade WCB
AISI 302 Stainless Steel
ASTM A276-S21800
(Nitronic 60 Bar)
Steel
AISI 304 Stainless Steel
TFE/Propylene
ASTM A276-S21800
(Nitronic 60 Bar)
ASTM A193 Grade B7
ASTM A351 Type CF8M
ASME SA564-S63000 COND A
ASTM A313-S30200
ASTM A747 Grade CB7Cu-1
(17-4 PH Cast) Condition H900
(J92180)
ASTM A582-S41600
ASTM A582-S41600 COND T
ASTM A276-S43100
AISI 420F
ASME SA479 S41000
ASTM A747 Grade CB7Cu-1
(17-4 PH Cast) Condition H900
(J92180)
TFE/Propylene
TFE/Propylene
Stainless Steel 18-8
ASTM A193 Grade B7
Turcon T11 (Glyd Ring)
TFE/Propylene
ASTM A276-S43100
TFE/Propylene
TFE/Propylene
TFE/Propylene
ASME SA479-S31600
Notes:
1. Recommended spare parts.
2. Type 316 SS construction available upon request.
YAWMC-0489
6
Series 5300 ARC® Flange Ends
A ± 1/ 32
C ± 1/ 32
“D” RF
Flange Per
ANSI B16.5
B ± 1/ 32
Flanged Ends (Data for 11/2", 2" and 21/2" valves available upon request)
*Valve
Size
in. [DN]
3
3
3
3
4
4
4
4
6
6
6
6
8
8
8
8
10
10
10
10
12
12
12
[75]
[75]
[75]
[75]
[100]
[100]
[100]
[100]
[150]
[150]
[150]
[150]
[200]
[200]
[200]
[200]
[250]
[250]
[250]
[250]
[300]
[300]
[300]
Class
ANSI
Figure
No.
600
900
1500
2500
600
900
1500
2500
600
900
1500
2500
600
900
1500
2500
600
900
1500
2500
600
900
1500
5302
5304
5306
5308
5302
5304
5306
5308
5302
5304
5306
5308
5302
5304
5306
5308
5302
5304
5306
5308
5302
5304
5306
A
10 1/2
10 1/2
10 1/2
13
15 1/2
15 1/2
15 1/2
18 1/4
17 5/8
17 5/8
17 5/8
22 1/ 2
21
21
21
See
28 1/ 2
28 1/ 2
28 1/ 2
32 1/2
32 7/ 8
32 7/ 8
32 7/ 8
Dimensions, in. [mm]
B
[266.7]
[266.7]
[266.7]
[330.2]
[393.7]
[393.7]
[393.7]
[463.6]
[447.7]
[447.7]
[447.7]
[571.5]
[533.4]
[533.4]
[533.4]
Note 2
[723.9]
[723.9]
[723.9]
[825.5]
[835.0]
[835.0]
[835.0]
6
[152.4]
6
[152.4]
6 13/16 [173.0]
7 9/16 [192.1]
6 3/4
[171.5]
6 3/4
[171.5]
8 3/16 [208.0]
9 1/16
[230.2]
9 1/4
[235.0]
9 9/16 [242.9]
11
[279.4]
12
[304.8]
11 7/ 8
[301.6]
11 7/ 8
[301.6]
11 7/ 8
[301.6]
See Note 2
13 7/16
[341.3]
13 7/16
[341.3]
14 13/16 [376.2]
18 7/16
[468.3]
15 1/ 2
[393.7]
15 1/ 2
[393.7]
17 1/ 8
[435.0]
C
17 1/16
[433.4]
17 1/16
[433.4]
19 7/8
[504.8]
21 7/8
[555.6]
19 5/16
[490.5]
19 9/16
[496.9]
24 5/16
[617.5]
26 1/8
[663.6]
25 13/16 [655.6]
26 1/8
[663.6]
30 15/16 [785.8]
32 15/16 [836.6]
33 13/16 [858.8]
33 13/16 [858.8]
3313/16 [858.8]
See Note 2
361/ 2
[927.1]
361/ 2
[927.1]
41 3/16 [1046.2]
52 1/16 [1322.4]
40 1/ 4 [1022.4]
40 1/ 4 [1022.4]
48
[1219.2]
(D) Bypass
Flange Size
in. [DN]
Weight
lb. (kg)
Rated
Main Flow
gpm
1
[25]
1
[25]
1
[25]
1
[25]
11/2 [40]
11/2 [40]
11/2 [40]
11/2 [40]
2
[50]
2
[50]
2
[50]
2
[50]
21/2 [65]
21/2 [65]
21/2 [65]
See Note 2
3
[80]
3
[80]
3
[80]
3
[80]
3
[80]
3
[80]
3
[80]
170
(77)
200
(91)
See Note 2
See Note 2
300
(136)
340
(154)
525
(238)
560
(254)
680
(308)
740
(336)
1400
(635)
1480
(671)
1180
(535)
1330
(603)
1730
(785)
See Note 2
1900
(862)
2000
(907)
3020 (1370)
5000 (2268)
2350 (1066)
2600 (1179)
See Note 2
400
400
400
400
750
750
750
750
1600
1600
1600
1600
2800
2800
2800
2800
4200
4200
4200
4200
5500
5500
5500
Notes: 1. 14" and 16" sizes available.
2. Contact your sales representative for more information.
YAWMC-0489
7
Series 5300 ARC® Butt Welding Ends
A ± 1/ 32
C ± 1/ 32
“D” RF
Flange Per
ANSI B16.5
B ± 1/ 32
Butt Welding Ends (Data for 11/2", 2" and 21/2" valves available upon request)
*Valve
Size
in. [DN]
3
3
3
3
4
4
4
4
6
6
6
6
8
8
8
8
10
10
10
10
12
12
12
12
[75]
[75]
[75]
[75]
[100]
[100]
[100]
[100]
[150]
[150]
[150]
[150]
[200]
[200]
[200]
[200]
[250]
[250]
[250]
[250]
[300]
[300]
[300]
[300]
Class
ANSI
Figure
No.
600
900
1500
2500
600
900
1500
2500
600
900
1500
2500
600
900
1500
2500
600
900
1500
2500
600
900
1500
2500
5301
5303
5305
5307
5301
5303
5305
5307
5301
5303
5305
5307
5301
5303
5305
5307
5301
5303
5305
5307
5301
5303
5305
5307
A
Dimensions, in. [mm]
B
101/ 2 [266.7]
101/ 2 [266.7]
101/ 2 [266.7]
13
[330.2]
15 1/ 2 [393.7]
15 1/ 2 [393.7]
15 1/ 2 [393.7]
18 1/ 4 [463.6]
17 5/ 8 [447.7]
17 5/ 8 [447.7]
17 5/ 8 [447.7]
221/2 [571.5]
21
[533.4]
21
[533.4]
21
[533.4]
24 3/4 [628.6]
28 1/ 2 [723.9]
28 1/ 2 [723.9]
28 1/ 2 [723.9]
32 1/ 2 [825.5]
32 7/ 8 [835.0]
32 7/ 8 [835.0]
32 7/ 8 [835.0]
42
[1066.8]
6
6
61/ 8
61/ 8
61/ 2
61/ 2
8 3/16
8 3/16
9 3/ 4
9 3/ 4
11
10 3/ 4
12 7/ 8
12 7/ 8
12 7/ 8
13 5/16
14 5/16
14 5/16
1415/16
15 3/16
15 1/2
15 1/2
17 1/ 8
17 1/4
[152.4]
[152.4]
[155.6]
[155.6]
[165.1]
[165.1]
[208.0]
[208.0]
[247.6]
[247.6]
[279.4]
[273.0]
[327.0]
[327.0]
[327.0]
[338.1]
[363.5]
[363.5]
[363.5]
[385.8]
[393.7]
[393.7]
[435.0]
[438.2]
(D) Bypass
Flange Size
in. [DN]
C
17 1/16
17 1/16
19
19
19 1/16
19 1/16
23 7/ 8
23 7/ 8
26 9/16
26 9/16
3015/16
30 11/16
34 7/ 8
34 7/ 8
34 7/ 8
35 1/ 4
37 3/ 8
37 3/ 8
40 3/16
4013/16
40 1/4
40 1/4
48
48
[433.4]
[433.4]
[482.6]
[482.6]
[484.2]
[484.2]
[606.4]
[606.4]
[674.7]
[674.7]
[785.8]
[779.5]
[885.8]
[885.8]
[885.8]
[895.3]
[949.3]
[949.3]
[1020.8]
[1036.6]
[1022.4]
[1022.4]
[1219.2]
[1219.2]
Notes: 1. 14" and 16" sizes available.
2. Contact your sales representative for more information.
YAWMC-0489
8
1
1
1
1
11/2
11/2
11/2
11/2
2
2
2
2
21/2
21/2
21/2
21/2
3
3
3
3
3
3
3
3
[25]
[25]
[25]
[25]
[40]
[40]
[40]
[40]
[50]
[50]
[50]
[50]
[65]
[65]
[65]
[65]
[80]
[80]
[80]
[80]
[80]
[80]
[80]
[80]
Weight
lb. [kg]
Rated
Main Flow
gpm
130
(59)
136
(62)
See Note 2
See Note 2
275
(125)
285
(129)
450
(204)
470
(213)
600
(272)
640
(290)
1125
(510)
1200
(544)
950
(431)
1025
(465)
1290
(585)
2400 (1089)
1400
(635)
1600
(726)
2150
(975)
4150 (1882)
1570
(712)
1740
(789)
See Note 2
See Note 2
400
400
400
400
750
750
750
750
1600
1600
1600
1600
2800
2800
2800
2800
4200
4200
4200
4200
5500
5500
5500
5500
Hydraulic Performance Test Lab
Performance – Profiled in Yarway’s Hydraulic Performance Test Lab
In our hydraulic performance test laboratory, state-of-the-art data acquisition and
computer graphics techniques are called upon for evaluation of the significant performance
characteristics of Yarway recirculation control valves. The lab’s equipment makes it
possible to test a valve over its complete flow range for factors including:
• Total flow through the pump
• Disc position
• Pressure drop across the main check
• Bypass Cv
• Bypass ΔP
• Valve response to sudden changes in flow
• Bypass piston pressure
These detailed analyses are the user’s complete assurance that the valve meets
performance requirements in all respects and can be supplied with the valve.
A certified test curve is shipped with each valve (see page 10 for example).
Insist on it, as you would for your pump!
YAWMC-0489
9
Certified Test Curve
Main DP (PSID)
25.0
20.0
15.0
10.0
5.0
0.0
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
3.00
2.50
Disc Lift (IN)
2.00
1.50
1.00
0.50
0.00
16.0
14.0
Bypass Cv
12.0
10.0
8.0
6.0
4.0
2.0
0.0
Main (GPM)
2500.0
Total Flow (GPM)
2000.0
1500.0
1000.0
500.0
0.0
0
500
1000
1500
2000
2500
Main Flow (GPM)
YAWMC-0489
10
How to Order
Our sales representatives will help you select the correct valve for your application.
Please complete this form before contacting the sales office to help ensure all necessary information is provided.
Automatic Recirculating Control (ARC®) Valve Data Sheet
Customer:
Company:
Project:
Location:
Phone:
E-Mail:
Qty Required:
Delivery Required:
Additional Info:
Tag(s) ID:
Pump Flow
Please Complete Flow Requirements
Normal -Process- flow:
M3/H
GPM
BPD
Maximum -Process- flow:
Minimum -Process- flow (optional):
(if Minimum Flow is to be considered in sizing)
Minimum pump protection flow:
Pump Discharge Pressure
(Minimum required “Recirculation Flow”)
Please Complete Pressure Requirements
Pump pressure at Shut-off (zero flow):
psi
KgF/cm2
bar
Kpa
Pump pressure at Normal -Process- flow:
(if Minimum Flow is to be considered in sizing)
Pump pressure at Minimum -Process- flow (optional):
(at Minimum required “Recirculation Flow”)
Pump pressure at Minimum pump protection flow:
(Line pressure at ARC Valve bypass port)
ARC Valve Bypass line pressure:
Temperature
Please Enter Both Temperatures
°F
Normal temperature at ARC Valve:
°C
Maximum temperature at ARC Valve:
Fluid
Liquid: Boiler Feed Water (In this case disregard S.G. and V.P.)
Other (Please specify) _________________
Specific Gravity:
Vapor Pressure:
Orientation of ARC Valve:
Desired End Connections:
Viscosity:
Desired Pressure Class:
Desired Body Material:
Desired Seal Material (except 2" to 8" 9200 and 9300):
Pump Drive Type:
Vertical
Horizontal
Raised Face Flange
Ring Type Joint (RTJ)
Flat Face Flange
Butt Weld Ends
Other - Specify in “Comments”
150
300
600
900
1500
2500
A216 Gr. WCB
A351 Gr. CF8M
A351 Gr. CK3MCuN (6Mo)
A995 Gr. CD3MWCuN (Super Duplex)
Ethylene Propylene (EPR or EPDM)
TFE Propylene (Aflas or Fluoraz)
Fluorocarbon Rubber (Viton®)
Constant Speed - Motor Driven
Variable Speed (VFD) - Motor Driven
Variable Speed - Turbine Driven
Comments:
NACE Materials Required?
Certificate of Compliance for Hydro Test Required?
Flow Test with Performance Certificate Required?
Magnetic Particle Test Required?
Customer Inspection Required Prior to Shipment?
Radiograph Inspection Required (specify scope)?
Certified Material Test Report (Pressure Containing Components only)?
Flow tests are generally conducted on all model 5300 and 7100 ARC® valves and one model 9100 or 9200 ARC® valve per sales order line item at no additional cost.
Model 9300 ARC® valves and other flow test requirements are upon request and at additional cost. If flange drilling is other than ANSI, please specify in “Comments.”
Please include Pump Curve if available.
YAWMC-0489
11
YAWMC-0489
12

Yarway 5300 Automatic Recirculation Brochure

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