Zhejiang Naibang Valve Co.,Ltd
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Products

Check Valve

Carbon Steel Wafer Check Valve

Carbon Steel Wafer 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

Material For Choice

Carbon steel  

A216 Gr. WCB, WCC, WCA, etc

Low temperature steel

A352 Gr. LCB, LCC, LC1, etc

Cr-Mo steel

A217 Gr. WC6, WC9, C5, C12, C12A, etc

Stainless Steel

A351 Gr. CF8, CF8M, CF3, CF3M, CF8C, etc

Alloy steel

CN7M alloy 20, CN3M alloy 20 modified, CT15C, etc

Super duplex

A995 Gr. 4A, 5A, CE8MN, CD6MN, CD3MN, etc

Aluminum bronze

B148 C95500, C95600, C95800, etc

Monel

M30C, M35-1, CZ100, etc

Inconel

CY40 inconel 600, etc

Hastelloy

CW2m Hastelly C4, N12MV Hastelloy B, CW12MW Hastelloy C276, etc

Incoloy

CU5MCuC Incoloy 825, CW6MC Incoloy 625, etc


Specifications

Applied widely; 

Small volume and light weight; 

Rapid closing and flexible actions of the valve clack;

Smooth fluid passageway and small fluid resistance;

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

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


Applicable Standards 

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, JB/T9112-9124, HG20592-20635, SH3406, ASME B16.5, DIN2543-2548, GB/T13402, API605. 


Advantage

Two arch disc are fixed onto the valve body with a spindle on which two torsional springs are equipped for installing the butterfly plate onto the valve body sealing face. The butterfly plate pressed by the springs is opened by relying on the medium pressure, and the valve is closed by the spring force and the medium pressure under backflow. It can be installed on horizontal and vertical pipelines. 


Application

Petroleum, chemical engineering, metallurgy, light industry, power station, city building, water supply system, oil transportation, gas feeding, natural gas and long distance transportation pipes projects. 



Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of Carbon Steel Wafer 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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