Zhejiang Naibang Valve Co.,Ltd
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Check Valve

Wafer Type Dual Plate Check Valve

Wafer Type Dual Plate Check Valve

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...

Products Details

Wafer Type Dual Plate Swing Check Valve 

Check valves are unidirectional and usually installed in high pressure pipelines for preventing fluid flowing back in well service operation, their retainer plates will automatically close if fluid is pushed back.

Product Range:

Nominal diameter: 1/2" ~ 8" (DN15 ~ DN200)

Pressure range: Class 150 ~ Class 900 (PN16 ~ PN150)

Working temperature: -196℃ ~ 560℃

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

End Connection: RF, RTJ


Inspection and test: API598, JB/T9092;

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;

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

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of wafer type dual plate 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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Address: No.43 Zhongxing Road, Tangtou Industrial Zone, Oubei Town, Yongjia County, Wenzhou, Zhejiang, China
Tel: +86-577-67991298
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