Control systems Pressure reducing/surplussing valves
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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-P107-01 CTLS Issue 13
DP163, DP163G and DP163Y Pilot Operated Pressure Reducing Valves with Stainless Steel Bodies Description The DP163, DP163G and DP163Y pilot operated pressure reducing valves have been manufactured using stainless steel. Available types DP163 Suitable for steam applications
Is a soft seal version available for compressed air and inert industrial gases. Note: It is not recommended for oxygen service.
DP163G
DP163Y
Having a lower rate pressure control spring is suitable for steriliser/autoclave applications
4.6 105
Standards This product fully complies with the requirements of the EU Pressure Equipment Directive/UK Pressure Equipment (Safety) Regulations and carries the mark when so required. Certification This product is available with certification to EN 10204 3.1. Note: All certification/inspection requirements must be stated at the time of order placement.
Sizes and pipe connections DN15LC - Low Capacity version
DN15, DN20, DN25, DN32, DN40, DN50 and DN80. (½", ¾", 1", 1¼", 1½", 2", and 3")
Standard flanges:
EN 1092 PN25 and PN40, BS 10 Table 'J' and ASME (ANSI) 300.
Available on request:
ASME (ANSI) 150 and JIS 20.
Kv values The Kv maximum values shown below are full capacities and should be used for safety valve sizing purposes only.
DN15LC DN15 (½")
DN20 (¾")
DN25 (1")
DN32 (1¼")
DN40 (1½")
DN50 (2")
DN80 (3")
1.0
2.8
5.5
8.1
12.0
17.0
28.0
64.0
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156 Note: Where the internal balance pipe is used the valve capacity will be reduced.
TI-P107-01 CTLS Issue 13
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DP163, DP163G and DP163Y Pilot Operated Pressure Reducing Valve with Stainless Steel Bodies
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