Check Valve
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Forged steel swing check valve

Standard: ASME B16.34 or GB12224
Main part material: carbon steel, alloy steel, stainless steel


Specification: nominal diameter: 1/4"-4"

                         nominal pressure: 150lb-2500lb

Temperature range: carbon steel: ≤425℃ alloy steel: ≤595℃ stainless steel: ≤540℃


1. The inner cavity is adopted with bolt connecting flange form;

2. Metal winding flexible graphite gasket is used to seal in the inner cavity;

3. Valve seat is welded on valve body, and the sealing surface is over-lay welded with hard Co alloy or Cr13 alloy.


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