Forged Steel Valve

Check Valve

Size range : 1/2"-2"(DN15-DN50)
Class: 150LB-2500LB(PN16-PN420)
Temperature : ≤425 ℃
End: Integral RF/Welded RF, SW/NPT/BW
Port: Full port and reduce port
Materials :A105,LF2,F5,F11,F22,F304,F316,F316L,F321,F347
Type: Swing type, Lift type, Y pattern, Ball type

Technical specification: 

●Design: API 602,BS5352,ANSI B16.34

●Connection ends: 

   a.Scoket welded ends conform to ANSI B16.11;GB/T1751

   b.Screw ends conform to ANSI B1.20.1;GB/T7306

   c.Butt-welded ends conform to ANSI B16.25;GB/T12224

   d.Flanged ends conform to ANSI B16.5;GB/T79

●Test & inspection: API 598; GB/T13927

●Structure feature:

   Bolted bonnet, outside screw and yoke.

   Welded bonnet,outside screw and yoke.

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