Control systems Positioners and controllers
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Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2025
TI-P102-01 CTLS Issue 8
37D and 37DE Pilot Operated Temperature Control Valve with SG Iron Body Description The 37D is a pilot operated temperature control valve suitable for use on steam applications and comes complete with 2 m of capillary tube as standard (other lengths are available on request - see 'Optional extras'). By virtue of it's pilot operation, it has a comparatively small control band. The sensor of the control system will need to be mounted by either a union kit, pocket or wall mounting bracket - see 'Optional extras'. Available types of valve 37D Temperature control 37DE Temperature control with electrically operated solenoid valve
Note: For 'Optional extras' see overleaf.
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Sizes and pipe connections ½"LC, ½", ¾" and 1" screwed BSP (BS 21 parallel) or NPT. DN15LC, DN15, DN20, DN25, DN32, DN40 and DN50 flanged:
DN15 - DN20 BS 4504/DIN PN25 DN25 - DN50 BS 10 Table H and ANSI 300 DN15 - DN50 JIS 10/16 and ANSI 150 DN15 - DN20 BS 10 Table F DN15 ANSI 300
Standard flanges
Also available
Temperature ranges Range A
16 °C to 49 °C
Range B Range C Range D
38 °C to 71 °C
49 °C to 82 °C
71 °C to 104 °C
Range E
93 °C to 127 °C
Limiting conditions
25 bar @ 120 °C 20 bar @ 250 °C 14 bar @ 350 °C
Technical data Voltages available
Maximum body design conditions
220/240 ± 10% Vac or 110/120 ± 10% Vac (others available on request)
Frequency
50/60 Hz
37D
17 bar @ 232 °C
Maximum upstream conditions
Inrush
45 VA
37DE
10 bar @ 190 °C
Power consumption
Holding
23 VA
Designed for a maximum cold hydraulic test pressure of
38 bar g
TI-P102-01 CTLS Issue 8
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37D and 37DE Pilot Operated Temperature Control Valve with SG Iron Body
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