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止回阀

Also known as Non-return Valve (NRV), check valves are designed to allow flow  in one direction and to prevent back flow. Safyric manufactures different type of check valves including swing type, piston type and dual plate check valves.

  • 尺寸范围: NPS 1/2 - 48 (DN 15 - 1200)
  • 压力范围: Class 150 - 2500 (PN 16 -420)
  • 端连接: 法兰 (FF, RF, RTJ), 对焊 (BW), 承插焊 (SW), NPT, BSP 
  • 材料: 碳钢, 合金钢, 不锈钢, 双相不锈钢 (DSS), 超级双相不锈钢 (SDSS)
询价

Design & manufacture

API SPEC 6D Specification for Pipeline and Piping Valves

API STD 602 Gate, Globe, and Check Valves for Sizes DN 100 (NPS 4) and Smaller for the Petroleum and Natural Gas Industries

BS 1868 Specification for Steel check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries

BS EN ISO 15761 Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries

ASME B16.34 Valves - Flanged, Threaded, and Welding End

End Connection

ASME B16.5 Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24 Metric/Inch Standard

ASME B16.47 Large Diameter Steel Flanges NPS 26 Through NPS 60 Metric/Inch Standard

ASME B16.25 Buttwelding Ends

ASME B1.20.1 Pipe Threads, General Purpose (Inch)

ASME B16.11 Forged Fittings, Socket-Welding and Threaded

MSS SP 44 Steel Pipeline Flanges

Face-to-Face, End-to-End

ASME B16.10 Face-to-Face and End-to-End Dimensions of Valves

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