Buttweld End Double Plate Check Valve

Main Features
The valve is opened/closed by the valve disc moving in a direction parallel to the valve seat hole axis and can only be installed on horizontal pipelines with the major function of preventing medium backflow when shutting down the pump and maintaining the water column required by pumping.

Product Details

Product Range

Nominal diameter: 1.5" - 32" or DN40 - DN800

Pressure range: Class 150 - 1500 or PN16 - PN150

Working temperature: -196℃ - 560℃

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

Operation type: Handwheel, Gear, Electric, Pneumatic, etc

Medium: Air, Water, Oil

 

Standards

Manufacture Standard

Face to Face

Flange  Drilling

Pressure-Temperature Class

Test   Standard

API594, API6D, JB/T8937

API594, API6D JB/T8937

JB/T74-90, GB/T13402, SH3406, ANSI B16.5, API604, ASME B 16.47

JB/T74, GB/T9124, HG20604-20625, ASME B16.34, DIN2401,SH3406

API598,
JB/T9092



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