Retainless Wafer Type Dual Plate Swing 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 horizontal pipelines;

Smooth flow passageway and small fluid resistance;

Flexible action and good sealing performance;

Narrow valve travel and small closedown impact;

Integrated structure,simple and compact,in beautiful shape;

Long service life and good reliability.

Main Parameter Specification

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

Face to face and end to end:API594,API6D,DIN3202,JB/T8937;

Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;

Inspection and test: API598,JB/T9092;

Pipe flange: JB/T74~90,JB/T9112-9124, HG20592~20635, SH3406, ASME B16.5, DIN2543~2548, GB/T13402, API605, ASME B16.47. 

Product Range

Body material: carbon steel, stainless steel, alloy steel,bronze

Nominal diameter:1.5"~60"(DN40~DN1500)

End Connection: RF,RTJ, BW

Pressure range: Class150~2500(PN16~PN420)

Working temperature:-196℃~+560℃

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of retainless wafer type dual plate swing 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.