Check Valve
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High class pound swing check valve
  • Standard: ASME B16.34 or GB12224

Main part material: carbon steel, alloy steel, stainless steel

                                  WCB、WC6、WC9、A105、F11、 F22、 CF3、CF8、   


Specification: nominal diameter: 2"-16"

                         nominal pressure: 900lb-2500lb

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


1. Inner cavity is adopted with pressure-self-tightening seal form;

2. Inner cavity is sealed with stainless steel seal ring;

3. Valve disc is internal-hanged;

4. 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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