Welded Bonnet Lift Forged Steel Check Valve

  • Material:A105,A105N,F304,F304L,F316,F316L…
  • Size:≤2″
  • Pressure: Class 800LB~2500LB
  • Design and Manufacture:API602,BS5352,MSS SP-118
Standard or Nonstandard: Standard Structure: Check Pressure: Class 800LB~2500LB
Power: Manual Material: Forged Temperature of Media: Normal Temperature
Media: oil,water,gas,acid Port Size: ≤2″ Place of Origin: Zhejiang, China (Mainland)
Model Number: H Brand Name: NIPO    


  1. Material:A105,A105N,F304,F304L,F316,F316L,LF2,F5,F11,F22,F347,F321,F51,Monel……
  2. Size:≤2″
  3. Pressure: Class 800LB~2500LB
  4. Design and Manufacture:API602,BS5352,MSS SP-118
  5. Connection Ends:
    • Socket Welded Dimension:ANSI B16.11,JB/T1751
    • Screw Ends Dimension:ANSI B1.20,JB/T7306
    • Butt Welded:ANSI B16.25,JB/T12224
    • Flanged Ends:ANSI B16.5,JB79
  6. Test and Inspection:API598,GB/T13927,JB/T9092
  7. Structure Features:
    • B.B(Bolted Bonnet) 
    • W.B(Welded Bonnet)
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