Pipeline ancillaries Disc, split disc and wafer check 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-P134-04 CMGT Issue 16
DCV4 Disc Check Valve
Description The DCV4 stainless steel disc check valve is of the wafer pattern designed to be sandwiched between ASME flanges. It is suitable for use on a wide range of fluids for applications in process lines, hot water systems, steam and condensate systems etc.
Face-to-face dimensions conform to EN 558 part 2, series 52. As standard it will be supplied with a metal-to-metal seat for use on steam applications. Where it will be used on oil, air, gas and water applications, alternative seat material is available - see 'Optional extras'. Optional extras High temperature springs for temperatures up to 400 °C (752 °F). Viton soft seats for oils, air and gas applications. EPM soft seats for water applications. Standards This product fully complies with the requirements of the European Pressure Equipment Directive 2014/68/EU. Standard shut-off Standard valves conform to EN 12266-1 rate E.
Valves conforming to EN 12266-1 rate D are available on request. Soft seated versions meet EN 12266-1 rate A, providing a differential pressure exists. 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 DN15, DN20, DN25, DN40, DN50, DN80 and DN100 (½", ¾", 1", 1½", 2", 3", and 4") Suitable for installation between ASME 150 or ASME 300 flanges.
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Operation Disc check valves are opened by the pressure of the fluid and closed by the spring as soon as the flow ceases and before the reverse flow occurs.
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TI-P134-04 CMGT Issue 16
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DCV4 Disc Check Valve
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