Control systems Pressure reducing/surplussing valves
4
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 2024
TI-P006-01 CTLS Issue 16
DP143, DP143G, DP143H and DP143Y Pilot Operated Pressure Reducing Valves with Cast Steel Bodies Description The DP143, DP143G, DP143H and DP143Y pilot operated pressure reducing valves have been manufactured using cast steel.
DP143
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.
DP143G
Available types
DP143H Is a high temperature version for use up to 350 °C. DP143Y Having a lower rate pressure control spring, making it suitable for steriliser/autoclave applications
Standards This product fully complies with the requirements of the EU Pressure Equipment Directive 2014/68/EU and carries the
4.6 93
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. Standard flanges: EN 1092 PN40, BS 10 Table 'J' and ANSI 300. Available on request: 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 DN20 DN25 DN32 DN40 DN50 DN80 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-P006-01 CTLS Issue 16
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DP143, DP143G, DP143H and DP143Y Pilot Operated Pressure Reducing Valves with Cast Steel Bodies
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