China Check Valves Manufacturer
China Check Valves Manufacturer

Check valves

Shuangda Valve (SDV) Company swing check valves are offered in bolted bonnet and welded bonnet design in a wide range of carbon, stainless steel, duplex stainless steel, alloy and other special materials.  FBV swing check valves are manufactured according to API 6D, BS 1868 Design.

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  • PRODUCT RANGE
  • Sizes NPS 2 to NPS 36
  • Class 150 to Class 2500

 

  • MATERIALS
  • Available in Casting (A216 WCB, WC6, WC9, A350 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A), Alloy 20, Monel, Inconel, Hastelloy

 

  • DESIGN FEATURES
  • Full or Reduced BoreBolted Cover or Pressure Seal Cover
  • RF, RTJ, or BW

 

  • DESIGN STANDARD
  • Design & manufacture according to API 6D, BS 1868End Connection according to ASME B16.5 (RF & RTJ), ASME B16.25 (BW)Also available per NACE MR-0175, NACE MR-0103
  • Test & inspection according to API 598
  • Face-to-face according to ASME B16.10