广东快乐十分

Check valve
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Wafer type dual disc check valve

Product Description:

Two arch bufferfly plates are fixed onto the valve body with a pintle on which two torsional springs are equipped for installing the bufferfly plate onto the valve body sealing face。 The bufferfly 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 verticalpipelines for use;

Technical Specifications

Design standard: API 6D、GB/T 12235
Face to face standard: ASME B16.10、GB/T 12221
Flange ends: ASME B16.5、GB/T 9113
Pressure test:API 6D、API 598、GB/T 13927
 

Product Specifications

Body material: carbon steel, stainless steel, alloy steel
Nominal diameter: 1/2"~48"(DN15~DN1200)
Pressure range: Class150~2500(PN10~PN420)
Working temperature:-196℃~+560℃
 

Design Features
Application

Compact and reasonable product structure, reliable tightness and good performance;
Small volume and light weight;
Applied widely;
Rapid closing and flexible actions of the valve clack
Small closing impact, water hammer is not liable to be generated;
广东快乐十分 Smooth fluid passageway and small fluid resistance;

 

Electricity, petroleum, chemical industry, papermaking, metallurgy, aerospaceand other industries

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