Zhejiang Naibang Valve Co.,Ltd
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Check Valve

Rptfe Seat Wafer Double Disc Check Valve

Rptfe Seat Wafer Double Disc Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...

Products Details


Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, or inexpensive. 

Technical Data

Nominal diameter: DN40 - DN600

Pressure range: PN1.0 - 1.6MPa

Working temperature: -196℃ - +560℃

Stem: Stainless Steel

Spring: Stainless Steel

Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, etc

Main Parameter Specification

Inspection and test: API598, JB/T9092;

Design and manufacture: API594, API 6D, JB/TB8937;

Face to face and end to end:  API6D, DIN3202, JB/T8937;

Pressure-temperature rating:  GB/T9124, HG20625, SH3406, JB/T74;

Pipe flange: JB/T74~90, ASME B16.5, DIN2543~2548, GB/T13402, ASME B16.47. 

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of Rptfe Seat Wafer Double Disc Check Valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.
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