gwk-Prospekt "teco" - Englische Sprachfassung · 12/2014 - S

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gwk-Prospekt "teco" - Englische Sprachfassung · 12/2014 - S
teco – Range of
temperature controllers
Choosing the right temperature
controller – Water/oil –
direct/indirect cooling
For over 40 years – Perfect cooling
and temperature control
For over 40 years Gesellschaft Wärme
Kältetechnik mbH has been manufacturing
high-quality temperature control and cooling
equipment and supplying this equipment
worldwide.
Today more than 400 employees design,
produce and install complete process
solutions for heating and cooling in
customer specific designs.
More than 33 sales and service locations
worldwide represent the global character of
our work and guarantee our permanent
success.
Headquarters
in Meinerzhagen,
Germany
2
In addition to a huge product range of
­serial products we also offer tailor-made
solutions for challenging applications.
These individually designed units are
available for a temperature range between
–40 °C and +400 °C, and are developed
and produced in Meinerzhagen according
to the customers’ demands.
As one-stop manufacturer of compact units,
cooling plants and temperature control units,
up to water treatment and heat recovery
­systems and complete container systems,
gwk is a competent and innovative partner.
The production
In the modern production facilities not only
standard temperature controllers, but also
customized and process-specific solutions
are developed and manufactured. A large
number of patents and utility patterns testify
for the innovative strength of the gwk
engineers and technicians.
International success achieved
by innovative temperature
control
Temperature control has a decisive influence
on the quality and the economic efficiency
of industrial processes. The highest possible
productivity is required to be successful
among international competitors. Here you
have to count on partners, who not only
know the processes, who analyse and optimize them, but also dispose of sufficient
experience in international business as well
as of a global presence at the same time.
gwk made a name for itself as a world-wide
specialist for high-quality temperature controllers, temperature machines and complete
temperature control systems. All around the
world in the plastic, automotive, food,
chemical and cosmetic industry specialists
count on our temperature control systems
in order to optimize their products.
Perfect Cooling and Temperature Control
3
www.gwk.com
Process-optimized
temperature control
Customer-specific and process-optimized heating
and cooling technology – on a mass production basis
Each production process requires control
that is exactly matched to it individually. Only
in this way is it possible to achieve optimum
results in terms of quality and economy of
operation. The number of different processes
determines the large number of temperature
controllers to be designed and manufactured. A number of customer-specific wishes
can be incorporated into the design and the
ability to be integrated into the processing
machines, as well as coping with countryspecific forms of configuration. This requires
a great deal of experience and well proven
designs that nonetheless allow a great deal
of latitude for incorporating the wishes of
individual customers, and it also implies
well organised and extremely flexible production methods to meet all these requirements within the generally short delivery
times without in any way compromising the
quality of the finished product. We at gwk
can meet all of the above prerequisites.
The choice of a particular technical process
starts with the sales process. There gwk
has a team with many years of experience
in the most varied forms of user applications
from all branches. Depending on the overall
configuration of the temperature controller,
the order is either sent on directly to the
production section or else is passed on to
the technical departments for further work.
The very latest CAD technology and a high
level of standardisation mean that even the
most technically demanding specifications
4
can be handled within a short time. Mass
production units, to some extent modular,
are produced from individual configura­tion
variations.
Our production capabilities help in implementation in actual instances. Facilities within
the company for sheet metal processing,
the construction of switch cabinets, a production centre for the machining of mechanical parts and modern pipe bending and
welding units not only ensure consistently
high quality but simultaneously reduce the
throughput times. None­theless, our technical
staff are of even greater importance, and
we are justifiably proud of them. Many of
our specialists have been trained by us all
by ourselves. Thus the average age of our
work force is relatively low despite considerable experience in technical areas – thus providing a strong potential capability for the future, and one which our customers value.
Since we are a recognised welding operation,
our certified welders can produce pressure
vessels up to a nominal rated pressure of
100 bar. This makes us specialists in pressurised hot water temperature controllers
for circulating tempera­t ures of up to
200 °C. Our international know-how allows
us to produce machines and equipment to
virtually all the standards required on the
world market. As part of this, our comprehensive, certified quality management
system guarantees monitoring of all
production steps.
The most important facts
gwk temperature controllers for water, using indirect cooling
Type
teco cw 25
teco cw 60
teco cs 90e
teco cs 90t 9
teco cs 90t 18
teco cs 90t 36
teco cs 140e
teco cs 140t
teco cs 140t 18
teco cs 160e
teco cs 160t
teco wi 100
teco wi 150
teco wi 250
teco wi 400
teco wi 500
teco wh 60
teco wh 90
teco wh 120
Values in () optional
Medium
Temperature
range ( °C)
Cooling
Heating capacity
(kW)
Max. cooling
capacity (kW)
Pump capacity
max. (l/min / bar)
water
water
water
water
water
water
water
water
water
water
water
water
water
water
water
water
water
water
water
0 - 25
0 - 25
95
95
95
95
140
140
140
160
160
140/150
95/140/150/160
95/140/150/160
95/140/150
95/140/150
200
200
200
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
0-9
0-9
0 - 18
0 - 36
0-9
0-9
0 - 18
0-9
0-9
9 - 54
9 - 72
9 - 72
9 - 72
9 - 72
9 - 27
9 - 36
18 - 54
4
10
23 - 42
23 - 42
50
250
40
40
40
40
40
100
200
270
460
600
32 - 64
40 - 80
48 - 96
60 / 3,8
60 / 5,8
60 / 3,8 (6,0)
60 / 3,8 (6,0)
75 / 5,5
150 / 5,0
60 / 5,5
60 / 5,5
60 / 5,5
60 / 5,5
60 / 5,5
70 / 4,7
200 / 5,1
230 / 5,5
420 / 3,6
500 /4,2
60 / 5,0
80 / 5,0
120 / 5,0
gwk temperature controllers for water, with direct cooling
Type
teco cd 90e
teco cd 90t
teco cd 120t
teco cd 140e
teco wd 60
teco wd 100
teco wd 150
teco wd 250
teco wd 400
teco wd 500
Medium
Temperature
range ( °C)
Cooling
Heating capacity
(kW)
Max. cooling
capacity (kW)
Pump capacity
max. (l/min / bar)
water
water
water
water
water
water
water
water
water
water
95
95
120
140
140
140/150
140/150
140/150
140/150
140/150
direct
direct
direct
direct
direct
direct
direct
direct
direct
direct
0-9
0 - 18
0 - 18
6
6
9 - 54
9 - 72
9 - 72
9 - 72
9 - 72
52
140
117
60 / 3,8 (6,0)
70 / 4,7
70 / 4,7
32
30 / 5,4
47
100
200
270
460
600
45 / 6,0
70 / 4,7
200 / 5,1
230 / 5,5
420 / 4,2
500 / 4,2
gwk temperature controllers for heat transfer oil
Type
teco to 50
teco tt 50
teco tt 60
teco tt 100
teco tt 140
teco th 60
teco th 100
teco th 140
Values in () optional
Medium
Temperature
range ( °C)
Cooling
Heating capacity
(kW)
Max. cooling
capacity (kW)
Pump capacity
max. (l/min / bar)
oil
oil
oil
oil
oil
oil
oil
oil
180
300
300
300
300
350
350
350
indirect
indirect
indirect
indirect
indirect
indirect
indirect
indirect
8
4-8
9 - 18
9 - 36
12 - 54
3-6
6 - 12
9 - 27
40
15 - 30
82 - 200
82 - 275
82 - 450
82 - 110
82 - 200
82 - 200
90 / 6,2
60 / 6,0
60 / 6,0
100 / 8,0
160 (200) / 7,0 (5,6)
60 / 6,0
100 / 8,0
160 / 7,0
Subject to technical modification without notice!
Perfect Cooling and Temperature Control
5
www.gwk.com
teco cs – Temperature controllers for
superior applications
• Self-optimizing microcontroller with high control accuracy (version t)
• Touchscreen for log in, control and monitoring of process parameters (version t)
• Intuitive operating interface with user-friendly menu navigation (version t)
• Measuring, indication and monitoring of the flow rate (version t)
• Integrated operating and service information (version t)
• Storage and recall of process parameters with memory card (version t)
• Wearless, energy-saving solid state heating control
• Return temperature indication (version t)
• Continuous monitoring of process parameters (version t)
• Optional connection for external thermocouple (Fe-CuNi or Pt 100)
• Optional interfaces at front panel (analog 0 - 10 V, 0/4 - 20 mA; serial RS 232,
RS 422, RS 485, TTY; CAN-Bus; Profibus; Profinet, Varan-Bus and Euromap 66)
• Splash proof electrics
• Ready to connect with 3 m long mains cable and CEE socket 4
• Housing: RAL 7035 light grey, Side panels: RAL 2004 pure orange
Temperature controllers water indirect 95
Standard specification/Options
Technical data
Model teco
Medium
Temperature max. ( °C)
Pump capacity max. (l/min / bar)
Heating capacity (kW)
Cooling
Cooling capacity (kW)1
Weight (kg)
Mould circuit supply and return connections
Cooling water supply and return connections
Dimensions in mm (L x W x H)
Touchscreen with colour display
Digital display
Robust fully galvanized steel housing, painted in two
colours
Automatic filling and top up device
Strainer in cooling water inlet
Durable rubber coated castors
All contact parts made of non-corrosive materials
Continuous heater control
Acoustic alarm
Additional manual filling operation for treated water
Leakage stop operation
Mould draining
Magnetic coupled stainless steel pump
Integrated top up-pump
Measuring, indication and monitoring of flow rate
Return temperature indication
Temperature controllers of the teco cs series are available in two versions:
a low-cost entry level model (version e)
and a very economic solution (version t) with touchscreen.
6
cs 90e
water
95
60 / 3,8 (6,0)
0/6/9
indirect
23 (42)
44
G 1/2”
G 1/4”
680 x 250 x 59
•
•
•
•
•
•
•
•
•
•
•
-
) at 15 °C cooling water and 90 °C resp. 130 °C circuit water temperature 2) not in combination with mould dr
1
touchscreen
5 °C, 140 °C and 160°C
)
95
• = Standard / o = Option / – = not available/ Values in () optional
cs 140e
cs 160e
cs 90t 9
cs 90t 18
cs 90t 36
cs 140t
cs 140t 18
cs 160t
water
140
60 / 5,5
0/6/9
indirect
40
50
G 1/2”
G 1/4”
680 x 250 x 595
water
160
60 / 5,5
0/6/9
indirect
40
50
G 1/2”
G 1/4”
680 x 250 x 595
water
95
60 / 3,8 (6,0)
0/6/9
indirect
23 (42)
46
G 1/2”
G 1/4”
680 x 250 x 595
water
95
75 / 5,5
0/6/9/12/18
indirect
50
95
G 3/4”
G 1/2”
955 x 400 x 740
water
95
170 / 4,7
0/6/9/12/18/27/36
indirect
250
100
G 1”
G 3/4”
955 x 400 x 740
water
140
60 / 5,5
0/6/9
indirect
40
50
G 1/2”
G 1/4”
680 x 250 x 595
water
140
60 / 5,5
0/12/18
indirect
40
95
G 3/4”
G 1/2”
955 x 400 x 740
water
140
60 / 5,5
0/6/9
indirect
40
50
G 1/2”
G 1/4”
680 x 250 x 595
•
•
•
•
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•
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•
•
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•
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•
•
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•
•
•
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o3
•
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o3
o
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o3
o
o
o3
•
•
•
•
•
•
•
•
2
-
2
•
•
-
raining function 3) not in combination with leakage stop operation
) up to 12 kW heating capacity
4
Perfect Cooling and Temperature Control
2
2
Subject to technical modification without notice!
7
www.gwk.com
teco cd – Compact temperature controllers with
direct cooling
• Self-optimizing microcontroller with high control accuracy (version t)
• Touchscreen for log in, control and monitoring of process parameters (version t)
• Intuitive operating interface with user-friendly menu navigation (version t)
• Measuring, indication and monitoring of the flow rate (version t)
• Integrated operating and service information (version t)
• Storage and recall of process parameters with memory card (version t)
• Wearless, energy-saving solid state heating control
• Return temperature indication (version t)
• Continuous monitoring of process parameters (version t)
• Optional connection for external thermocouple (Fe-CuNi or Pt 100)
• Optional interfaces at front panel (analog 0 - 10 V, 0/4 - 20 mA;
serial RS 232, RS 422, RS 485, TTY; CAN-Bus; Profibus; Profinet;
Varan-Bus and Euromap 66)
• Splash proof electrics
• Ready to connect with 3 m long mains cable and CEE socket 4
• Housing: RAL 7035 light grey, Side panels: RAL 2004 pure orange
Temperature controllers water
direct 95 °C, 120°C and 140 °C
Model teco
Medium
Temperature max. (°C)
Technical data
cd 140e
water
95
120
140
70 / 4,7
30 / 5,4
Heating capacity (kW)
0/6/9
0/6/9/12/18
0/6/9/12/18
6
Cooling
direct
direct
direct
direct
Cooling capacity (kW)1
52
140
117
32
Weight (kg)
44
50
50
35
Mould circuit supply and return connections
G 1/2”
G 3/4”
G 3/4”
G 3/4”
Cooling water supply and return connections
1
G /4”
1
G /2”
1
G /2”
G 1/2”
680 x 250 x 595
955 x 400 x 740
955 x 400 x 740
480 x 250 x 546
-
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
o3
o3
-
•
•
•
Digital display
Standard specification/Options
cd 120t
water
70 / 4,7
Touchscreen with colour display
Robust fully galvanized steel housing, painted in two colours
Automatic filling and top up device
Strainer in cooling water inlet
Durable rubber coated castors
All contact parts made of non-corrosive materials
Continuous heater control
Acoustic alarm
Additional manual filling operation for treated water
Constant cooling
Mould draining
Integrated top up pump
8
cd 90t
water
95
Dimensions in mm (L x W x H)
3
cd 90e
water
60 / 3,8 (6,0)
Pump capacity max. (l/min / bar)
1
• = Standard / o = Option / – = not available/ Values in () optional
•
•
•
•
•
•
•
•
•
•
•
2
) at 15 °C cooling water and 90 °C resp. 130 °C circuit water temperature 2) by reversal of the pump direction
) with compressed air in the cooling water return 4) up to 12 kW heating capacity
•
•
•
•
•
•
•
•
•
•
2
Subject to technical modification without notice!
teco cw – the most cost-effective solution
for glycol-free water from 0 to 25 °C
• Precise microprocessor control
• Simultaneous display of set and
actual values
• Simple one button operation
• Optional connection for external
thermocouple (Fe-CuNi or Pt 100)
• Optional interfaces at front panel
(analog 0 - 10 V, 0/4 - 20 mA; serial
RS 232, RS 422, RS 485, TTY; CAN-Bus;
­Euromap 66; Profibus; Varan-Bus)
• Optional flow rate indication
• Splash proof electrics
• Ready to connect mains cable and
CEE socket
• Housing: RAL 7035 light grey
• Side panels: RAL 2004 pure orange
Temperature controllers
water indirect 0 - 25 °C
Model teco
Medium
Temperature max. ( °C)
Technical data
Pump capacity max. (l/min / bar)
cw 25
cw 60
water
water
0 up to 25
0 up to 25
60 / 3,8
60 / 5,8
Cooling capacity (kW)*
4
10
Heating capacity (kW)
-
-
indirect
indirect
Cooling
Weight (kg)
76
125
Mould circuit supply and return connections
G 1/2”
G 1/2”
Cooling water supply and return connections
G 1/4”
G 1/4”
920 x 250 x 595
950 x 400 x 935
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
o
o
Dimensions in mm (L x W x H)
Robust fully galvanized steel housing, painted in two colours
Standard specification/Options
• = Standard / o = Option / – = not available
Automatic filling and top up device
Strainer in cooling water inlet
Durable rubber coated castors
All contact parts made of non-corrosive materials
Acoustic alarm
Leakage stop operation
Mould draining
Digital flow rate indication
) at 30 °C cooling water and 10 °C circuit water temperature
1
Perfect Cooling and Temperature Control
Subject to technical modification without notice!
9
www.gwk.com
teco wi – Powerful temperature
controllers in modular design
Absolute reliability, high control accuracy,
easy handling and a favourable cost/performance ratio – besides the versatile features, these are the most important criteria
of the temperature controller model teco wi.
In close teamwork with our customers a series has been developed, that covers a large performance range by means
of a modular design. Various different combinations of heating and cooling elements
offer the user a large range of applications. It
offers various useful options for particularly
demanding customers.
teco temperature controllers, model wi, are
designed as water units with indirect cooling
for usage at open consumers up to 95 °C
and at closed consumers up to 160 °C.
10
The touchscreen is a standard feature of all
units.
• Self-optimizing micro­controller with high
control accuracy
• Simultaneous display of set and actual
values
• Measuring, indication and monitoring
of the flow rate
• Integrated operating and service
information
• Storage and recall of process
parameters with memory card
• Wearless, energy-saving solid state
heating control
• Continuous monitoring of process
parameters
• Splash proof electrics
• Optional connection for external
thermocouple (Fe-CuNi or Pt 100)
• Optional interfaces (analog 0 - 10 V,
0/4 - 20 mA; serial RS 232, RS 422,
RS 485, TTY; CAN-Bus; Profibus;
Varan-Bus)
• Covers: RAL 2004 pure orange
• Front panel and housing:
RAL 7035 light grey
High-quality components and proven designs
mean that gwk temperature controllers are truly
superior products.
Temperature controllers water indirect
95 °C, 140 °C, 150 °C and 160 °C
Model teco
Medium
wi 100
wi 150
wi 250
wi 400
wi 500
water
water
water
water
water
Technical data
Temperature max. ( °C)
140
140 (95, 150)
70 / 4,7
200 / 5,1
230 / 5,5
420 / 3,6
500 / 4,2
Heating capacity, selectable (kW)
9/18/27/36/45/
45/54
9/18/27/36/45/
54/63/72
9/18/27/36/45/
54/63/72
9/18/27/36/45/
54/63/72
9/18/27/36/45/
54/63/72
indirect
indirect
indirect
indirect
indirect
Cooling capacity max. (kW)1
100
200
270
460
600
Mould circuit supply and return connections2
G 1”
G 11/4”
G 11/2”
DN 50
DN 65
990 (1120/1465)
990 (1120/1465)
Housing length L (mm)3
990 (1120/1465)
Housing width W (mm)3
430 (510/570)
Housing height H (mm)3
430 (510/570/695) 430 (510/570/695)
1465
1465
570 (695)
570 (695)
935 (1275)
935 (1035/1275)
935 (1035/1275)
1275
1275
Weight min., depending on the specification (kg)
80
120
150
200
200 - 500
Control of cooling with solenoid valve
•
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•
Acoustic or optical warning
o
o
o
o
o
Digital flow rate indication and monitoring
o
o
o
o
o
Additional filling operation for treated water
o
o
o
o
o
Pressurised air valve for mould draining
o
o
o
o
o
Return temperature indication
o
o
o
o
o
Connection for external Fe-CuNi or Pt 100
o
o
o
o
o
Interface for central machine control
o
o
o
o
o
Strainer in return line circulation medium
o
o
o
o
o
Control of cooling with motor valve
o
o
o
o
o
Additional expansion tank for large external valumes
o
o
o
o
o
Automatic filling and top up device
Standard specification
140 (95, 150, 160)
Pump capacity max. (l/min / bar)
Cooling
Automatic venting and pressure relief
Electronic level control with dry-running protection
Safety thermostat
Adjustable set value limitation
Ramp function for temperature alteration
Cooling down to safety temperature when switching off
Strainer in cooling water inlet
Continuous heater control with switch cabinet fan
Options
• = Standard / o = Option / Values in () optional
) at 15 °C cooling water temperature and 130 °C circulation medium temperature
) depending on cooling water amount
3
) depending on built in heating and cooling capacities as well as the size of the expansion tank
1
Subject to technical modification without notice!
2
Perfect Cooling and Temperature Control
11
www.gwk.com
teco wd – Modular
temperature controllers with direct cooling
The gwk temperature controllers series
teco wd are heating and cooling units ready
for connection to the process with direct
cooling which are designed for operation
with water as the circulation medium. Direct
cooling is an advantage, when a high cooling
capacity is required at low temperature
differences between cooling water and the
circulation medium. In this case the cooling
water will be fed without temperature loss
into the circulation circuit.
The water circuit, designed as a closed
system, allows a pressurized use up to
150 °C. Depending on the operating condition, the heat will either be removed from
the consumer by cooling or transferred to
the consumer by heating. The heat transfer
occurs by the circulation medium water
which is to be transferred with an efficient
pump through the consumer.
Control of the circulation medium temperature
takes effect automatically. A temperature
sensor, installed inside the unit, measures
the existing actual temperature. The microprocessor controller compares the measured
value with the adjusted set value and
switches the heating or cooling accordingly.
A trouble-free operation is guaranteed by a
compre­hensive safety system.
12
As standard the unit is equipped with a large
number of functions, on request this may be
complimented by various useful options. For
connection with the controllers of the
processing machines all current interfaces
are available.
• Self-optimizing micro­controller with high
control accuracy
• Simultaneous display of set and actual
values
• Measuring, indication and monitoring
of the flow rate
• Integrated operating and service
information
• Storage and recall of process
parameters with memory card
• Wearless, energy-saving solid state
heating control
• Continuous monitoring of process
parameters
• Splash proof electrics
• Optional connection for external
thermocouple (Fe-CuNi or Pt 100)
• Optional interfaces (analog 0 - 10 V,
0/4 - 20 mA; serial RS 232, RS 422,
RS 485, TTY; CAN-Bus; Profibus;
Varan-Bus)
• Covers: RAL 2004 pure orange
• Front panel and housing:
RAL 7035 light grey
The temperature controllers of the series teco wd
with their modular design cover a large range of
applications with a high range of performance.
Motor valves in the cooling water circuit provide for
an exact temperature control and simultaneously
avoid pressure surges during cooling.
Temperature controllers water direct
140 °C and 150 °C
Technical data
Model teco
Medium
Temperature max. (°C)
Standard specification
Options
wd 100
wd 150
wd 250
wd 400
wd 500
water
140
water
140 (150)
water
140 (150)
water
140 (150)
water
140 (150)
water
140 (150)
centrifugal pump
centrifugal pump
multi-stage stainless
two-stage
two-stage
steel centrifugal pump centrifugal pump centrifugal pump
peripheral
pump
Pump capacity max. (l/min / bar)
45 / 6,0
70 / 4,7
200 / 5,1
230 / 5,5
420 / 3,6
500 / 4,2
6
9/18/27/36/
45/54
9/18/27/36/
45/54/63/72
9/18/27/36/
45/54/63/72
9/18/27/36/
45/54/63/72
9/18/27/36/
45/54/63/72
Cooling
Cooling capacity max. (kW)*
Mould circuit supply and return connections
Cooling water supply and return connections**
Housing length L (mm)***
Housing width W (mm)***
Housing height H (mm)***
Weight min., depending on the specification (kg)
Control of cooling with motor valve
Control of cooling with solenoid valve
Automatic filling and top up device
Automatic venting
Electronic level control with dry-running protection
Safety thermostat
Adjustable set value limitation
Ramp function for temperature alteration
Cooling down to safety temperature when switching off
Strainer in cooling water inlet
Continuous heater control
Acoustic or optical warning
Digital flow rate indication and monitoring
Pressurised air valve for mould draining
Return temperature indication
Interface for central machine control
Connection for external Fe-CuNi or Pt 100
Strainer inreturn line circulation medium
2
wd 60
Type of operating pump
Heating capacity, selectable (kW)
1
• = Standard / o = Option / Values in () optional
direct
47
G 3/4”
G 1/2”
210
450
520
35
direct
100
G 1”
G 11/2”,3/4”
990 (1120/1465)
430 (510/570)
735 (935/1275)
120
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direct
direct
460
600
DN 50
DN 65
G 3/4”, 1”, 11/4”,11/2”, 2” G 3/4”, 1”, 11/4”,11/2”, 2”
1465
1465
570 (695)
570 (695)
1275
1275
200
250
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) depending on cooling water amount 3) depending on built-in heating and cooling capacities as well as the kind of cooling control
Perfect Cooling and Temperature Control
direct
direct
200
270
G 11/4”
G 11/2”
G 1/2”, 3/4”,1”,11/4” G 1/2”, 3/4”,1”,11/4”
990 (1120/1465) 990 (1120/1465)
430 (510/570/695) 430 (510/570/695)
735 (935/1275) 735 (935/1275)
150
160
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Subject to technical modification without notice!
13
www.gwk.com
teco wh – Reliable water temperature
controllers for high temperatures
Water has a major advantage compared to
heat transfer oil if relatively large amounts of
heat need to be extracted from small cooling
surfaces. In order to be able to transfer a constant amount of heat between the mould wall
and the medium for the same median temperature differential, four to five times the
area of cooling surfaces, or the same number
of cooling channels, is required if heat transfer oil is used instead of ­water. It is precisely
this which often cannot be achieved in practice with small moulds. The use of water as a
heat transfer medium has the further advantage that the amount of ­liquid to be circulated
by the pump is ­reduced by a factor of two to
three compared with heat transfer oil.
The gwk hot water temperature controllers
of the teco wh series are designed for special
applications in the temperature range up to
200 °C. Magnetically -coupled pumps,
return flow temperature monitoring and
limiting, a built-in condensing unit to prevent steam impacts, level monitoring via a
built-in high-pressure makeup feed unit
and a ramp function included as standard
for temperature changes to heat up the
mould more gently at the start of production
and the corresponding cooling down at the
end of production guarantee the highest
possible level of process security. The modular construction of the heating and cooling
sections allows a unit to be designed for any
type of application.
The production of precision parts out of highcapacity plastic materials requires a precise
temperature control inside of the mould on a
high temperature level.
14
Proven equipment technology ensures safe
operation with pressurised water at up to
200 °C.
Temperature controllers water direct 200 °C
Model teco
Medium
Temperature max. ( °C)
Pump capacity max. (l/min / bar)
Technical data
Heating capacity (kW)
Standard specification
wh 120
water
water
200
200
200
60 / 5,0
80 / 5,0
120 / 5,0
27 (18/36/45/54)
18 (9/27/36)
indirect
indirect
indirect
Cooling capacity max. (kW)1
32 (64)
40 (80)
48 (96)
DN 32
Mould circuit supply and return connections PN 40
DN 25
DN 32
Cooling water supply and return connections
G 1/2”
G 1/2”
G 1/2”
Housing length L (mm)2
1320
1320
1320 (1465)
Housing width W (mm)2
500
570
570
Housing height H (mm)2
1275
1275
1275 (1515)
Weight min., depending on the specification (kg)
95
105
120
Sealless pump with magnetic coupling
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Return temperature indication
Return flow temperature monitoring and limiting
Built-in high-pressure makeup feed unit
Automatic venting and pressure relief
Electronic level control with dry-running protection
Safety thermostat
Adjustable set value limitation
Ramp function for temperature alteration
Cooling down to safety temperature when switching off
Strainer in cooling water inlet
Continuous heater control with switch cabinet fan
Acoustic or optical warning
Connection for external Fe-CuNi or Pt 100
Interface for central machine control
Options
wh 90
water
9 (18/27)
Condensing unit to prevent steam impacts in cooling medium return
Additional filling operation for treated water
Strainer in return line circulation medium
Control of cooling with motor valve
Additional expansion tank for large external volumes
2
wh 60
Cooling
Temperature controlled pressure overlay
1
• = Standard / o = Option / Values in () optional
) at 15 °C cooling water temperature and 150 °C circulation medium temperature
) depending on built-in heating and cooling capacities as well as the size of the expansion tank
Perfect Cooling and Temperature Control
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Subject to technical modification without notice!
15
www.gwk.com
teco to/tt/th – Heat transfer oiltemperature controllers for highest demand
16
supply device on request.
The high-quality design allows operating
temperatures up to 300 °C, for teco-th units
even up to 350 °C.
Temperature controllers thermal oil 1
Model teco
Medium
Temperature max ( °C)
t
Pump capacity max. (l/min/bar)
Technical data
Heating capacity max. (kW)
Cooling
w
Cooling capacity max. (kW)1
Standard specification
Mould circuit supply and return connections
Cooling water supply and return connections2
Housing length L (mm)3
Housing width W (mm)3
Housing height H (mm)3
Weight min., depending on the specification (kg)
Control of cooling with solenoid valve
Sealless pump with solenoid coupling
Water seal in expansion tank
Difference temperature control with switch-off function
Electronic level control with dry running protection
Safety thermostat
Adjustable set value limitation
Ramp function for temperature alteration
Cooling down to safety temperature when switching off
Strainer in cooling water inlet
Galvanized steel, painted in RAL 2004 / 7035
Continuous heater with switch cabinet fan
Return temperature indication
Flow control with switch-off function
Filter group in suction pipe
Bellows type valve in UV, UR
Acoustic alarm
Connection for external Fe-CuNi or Pt 100
Interface for central machine control
Strainer inreturn line circulation medium
Cooling in Bypass with 3-way motor valve
Connection for nitrogen overlay at expansion tank
Options
As a rule, temperature controllers which are
designed for operation with heat transfer oil
are used for circulating temperatures above
200 °C.
Dealing with thermal oil makes it necessary
to take different criteria into account which
also have a constructive influence on the
design of oil temperature controllers.
Hot thermal oil has a low oxidation stability
when direct contact to ambient air is allowed
as found in some competitors units which
use a submersible pump and tank. This increase of air absorption can cause the oil to
become more viscous and the pump flow
rate to decrease. As an open design does
not allow for a defined flow with reliable
monitoring this oxidation due to the lowering
flow rate can cause an excess of oil film at
high temperature on the heating element
which will lead to a tarry coating and carbon
deposits forming within the heat transfer
system eventually leading to the decomposition of the oil and subsequent clogging of
the heat transfer system. The consequence
of choosing the wrong type of oil temperature controller are more waste product, poor
product quality and higher maintenance
costs. It is due to these reasons that gwk do
not manufacture oil temperature controllers
with an open circuit.
The gwk teco to, teco tt and th series have
been specially designed for applications
that require higher temperatures. The
specific heating surface loading is designed
to be such that thermal decomposition of
the heat transfer oil can be prevented without fail at normal flow rates. Built-in flow
monitoring ensures that an alarm is given if
t h e f l o w r a t e b e c o m e s t o o l o w. I t i s
necessary to prevent oxygen from entering
the system in order to avoid damage to the
heat transfer oil from oxidation. The closed
circuits of the teco tt units have a layer of
cold oil in the expansion vessel, which can
also be equipped with a nitrogen covering
) at 15 °C cooling water temperature and 200 °C
circulation medium temperature
1
2
) depending on cooling water
ds
180°C, 300°C and 350°C
• = Standard / o = Option / – = not available / Values in () optional
to 50
thermal oil
180
tt 50
thermal oil
300
tt 60
thermal oil
300
tt 100
thermal oil
300
tt 140
thermal oil
300
th 60
thermal oil
350
th 100
thermal oil
350
th 140
thermal oil
350
90 / 6,2
60 / 6,0
60 / 6,0
100 / 8,0
150 / 7,0
(200 / 5,6)
60 / 6,0
100 / 8,0
150 / 7,0
8
4/6/8
9/13,5/18
9/12/18/27/
36
12/18/27/
36/45/54
3/6
6/9/12
9/18/27
water indirect
water indirect
water indirect
water indirect
water indirect
water indirect
water indirect
water indirect
82/110/200
250/275/450
82/110
82/110/200
82/110/200
40
15/30
82/110/200
82/110/200
250/275
G 3/4”
G 1/2”
1036
295
725
75
G 3/4”
G 1/2”
850
295
725
75
DN 25
G 1/2”, 3/4”
1320
500
1275
210
DN 25
G 1/2”, 3/4”, 1”
1320
570
1275
310
DN 32
G 1/2”, 3/4”, 1” , 11/4”
1320
570
1275
410
DN 25
G 1/2”
1320
500
1275
210
DN 25
G 1/2”, 3/4”
1320
570
1275
310
DN 32
G 1/2”, 3/4”
1320
570
1275
410
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Perfect Cooling and Temperature Control
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The temperature controllers of the teco-tt and
th-series meet the special requirements for
operating temperatures up to 300°C respectively 350°C.
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Subject to technical modification without notice!
17
www.gwk.com
Competence – one step ahead through
customer orientation
Innovative and profitable one-stop solutions
for cooling and temperature control are the
key to success. Our end-to-end solutions
with focus on industrial sectors correspond
to the actual market trends in order to guarantee an extended range of trade- and customerspecific solutions.
Clearly focused on the four most important
branches – plastics processing, metal processing, chemical and pharmaceutical processing as well as food industry – we are
able to meet our customer’s requirements
directly.
If requested we fulfil global standards like
GOST-R, UL, ASME, TEMA, ANSI, SELO and
the ATEX-directives.
Plastics processing
Metal processing
• Injection moulding
technology
• Extrusion
technology
• Presses
• Foaming
• Casting
Presses
18
• Coatings
• Thermoforming
• Reprocessing
• Rubber and
caoutchouc
processing
Extrusion technology
• Master forming
• Metal forming
• Separating
• Joining
• Coating
• Tempering
Injection moulding
Chemical and pharmaceutical industry
• Evaporation
• Distillation
• Absorption
Food industry
• Extraction
• Drying
Food industry
• Sweet
• Fish and meat
products
• Beverages
Foaming
Perfect Cooling and Temperature Control
• Ready-to-serve
dishes
• Dairy products
• Bakery products
Chemical and pharmaceutical industry
19
www.gwk.com
Perfect Cooling and Temperature Control
Production
costs
Many factors serve to improve productivity:
• Reduction of cooling time, therefore
savings in required machine hours
• Improvement of product quality
• Increasing availability of production plants
• Decreasing running cost
• Reduction of maintenance cost
gwk integrat 4D
Optimal product quality through
homogeneous temperature
distribution by temperarture
control with close-to-cavity
mould inserts.
gwk weco
Controllable production in
­variable climatic conditions
and high flexibility with
compact, energy-saving water
­chillers using environmentally
friendly refrigerant.
gwk system integrat
Increase of productivity by
means of specific and
segmented mould
temperature control.
gwk hermeticool hybrid
Innovative cooling system to
decrease the running and maintenance cost in comparison to
conventional cooling systems.
gwk moldclean
Increased productivity through
effective, automatically
con­trolled cleaning of heat
exchange surfaces in cooling
and temperature controlled
circuits.
gwk container-plants
Highest flexibility and lowest
expenses for planning,
in­stallation and relocation
of a centralised cooling plant.
gwk SKL/SKW
Reliable and economic supply
of cooling water in the low
­temperature range, even
under the toughest ambient
conditions.
gwk active
Adjusting and maintaining
­optimum capacity by means ­
of constantly clean water,
supplied by a fully automatic
water treatment system.
gwk HSW
Cost reduction by means of
advanced heat recovery
systems.
gwk service
Decreasing the maintenance
cost and protection of company
owned resources through professional execution of installation and maintenance works
incl. cooling water treatment.
Gesellschaft Wärme Kältetechnik mbH
Scherl 10 · D-58540 Meinerzhagen
Tel. +49 2354 7060-0 · Fax +49 2354 7060-156
[email protected] · www.gwk.com
teco_GB_12/2014 · Subject to technical modification without notice!
Cost
reduction
Increased productivity
In many areas of the industry, cooling and temperature control provides a great potential for
increasing productivity and thus for lowering costs.

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