Zhejiang Naibang Valve Co.,Ltd
+86-577-67991298 sale@nipovalve.com

Products

Dual Plate Check Valve

Double Flange Dual Plate Swing Check Valve

Double Flange Dual Plate Swing Check Valve

Short structural
1. length,only 1/4-1/8 of that of traditional flanged check valve;
2. Low volume, light weight,only 1/4-1/20 of those of traditional flanged check valve;
3. Quick valve disc closedown,low water hammer pressure;
4. Applicable for and easily installed for vertical or horizontal pipelines;
5. Smooth flow passageway and small fluid resistance;
6. Flexible action and good sealing performance.

Products Details

Double Flange Dual Plate Swing Check Valve

Product Range

End Connection: RF, RTJ, BW

Nominal diameter: 1.5" - 48" (DN40 - DN1200)

Pressure range: Class 150- 2500 (PN16 - PN420)

Working temperature: -196℃ - +560℃

Body material: Carbon steel, Stainless steel, Alloy steel, Bronze

Structural Feature

1. Small volume and light weight; 

2. Smooth fluid passageway and small fluid resistance;

3. Rapid closing and flexible actions of the valve clack; 

4. Small closing impact, water hammer is not liable to be generated; 

5. Compact and reasonable product structure, reliable tightness and good performance.

Main Parameter Specification 

1. Inspection and test: API598, JB/T9092;

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

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

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

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



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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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