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Wafer Type Swing Check Valve Manufacturers

Wafer Type Swing Check Valve

Wafer Type Swing Check valves is usually installed in pipeline system, prevent medium from flowing back, check valve is automatic valve that it is opened and closed by pressure of fluid. In the past, we use H74 flange coupling swing type check valves & H71 flange coupling lift type check valve.

Series - 150 To 600

Traditional check valve’s volume is big, strong resistance of fluid, Water-hammer’s pressure is high when valves close, repair and installation is inconvenient, service life is not long.

Design Features
  • Light and Compact
  • Installed in the horizontal and vertical up positions
  • “Zero Leakage” Sealing Design with Soft Seated
  • Positive sealing under most operating conditions
  • Long-lasting service with superior performance
Product Specifications
  • Size 2″-20″ DN50-DN500
  • Pressure Class "150, 300, 600" | PN10-PN40
  • End Connection Wafer
  • Body Material WCB, A105, LF2, LF3, F22, F304, F316, F304L, F316L, F51, F53, F55, F44, etc
  • Disc Material SS201, SS304, SS316, Aluminium Bronze
  • Seat Material NBR, EPDM, VITON-A, VITON-B, hypalon, PTFE, metal to metal
  • Stem Material /
  • Design Standard API594, API 6D, JB/T 8937
  • Face to Face Standard ANSI B16.10, API 6D, GB/T 12221, DIN 3202, EN558-1
  • Test Standard API598, GB/T13927, DIN3230
  • Temperature Range -29℃~425℃
  • Actuator Options /
    Structure Style
  • Full Port
    Connection Standard
  • Flange Drilling: ANSI B16.5, ASME B16.47 A/B, EN1092-1, BS 4505, JIS2210, GB 9112~9124, HG20592~20635 etc