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Wafer Dual Plate Check Valve对夹双板式止回阀

H76对夹双板式止回阀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.

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Design Features
Design standard as per: API 594, API 6D,ASME B16.34, GB/T 12236.
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;
Smooth fluid passageway and small fluid resistance;

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