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-P601-18 CMGT Issue 14
DCV41, DCV41 Food+ Austenitic Stainless Steel Disc Check Valve
Standard DCV41 with metal seat
Soft seat option (screwed connections only)
Description The DCV41 is an austenitic stainless steel disc check valve available with either screwed or socket weld end connections. Its function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. For oil and gas applications , a Viton seat is available. For water applications an EPDM seat is available. Soft seat versions provide a zero leakage rate or bubble tight shut-off, i.e. they meet EN 12266-1 Rate A, providing a differential pressure exists. Please note that the soft seat options are not available with socket weld ends. The shut-off of the standard valve conforms to EN 12266-1 Rate E. When a heavy duty spring is installed with an EPDM seat, the valve is suitable for boiler feedwater check applications. A high temperature spring version is available to operate at 400 °C (752 °F). Optional extras Heavy duty springs (700 mbar (10.2 psi) opening pressure) for boiler feed applications High temperature springs Viton soft seats for oils and gas applications - screwed only EPDM soft seats for water applications - screwed only
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. Soft seated versions meet EN 2266-1 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. Food+ can be supplied with material Certification for all wetted parts at extra cost. Note : All certification/inspection requirements must be stated at the time of order placement.
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TI-P601-18 CMGT Issue 14
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DCV41, DCV41 Food+ Austenitic Stainless Steel Disc Check Valve
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