Size: 1/2"~36" Class: 150~2500Manufactured to API 6DMetal to Metal, Soft SeatOpenning and Closing Smoothly Long Service Life...
Size: 2"~36" Class: 150~2500Manufactured to API 6DMetal to Metal, Soft SeatBolted Cover, Pressure Seal ...
Size: 1/2"~2" Class: 150~2500Manufactured to API 602Metal to MetalFull & Reduced BoreBB, WB, PS Swing Type, Piston Type...
Size: 1/2"~48" Class: 150~2500Manufactured to API 594Metal to Metal, Soft SeatWafer or Lug or FlangedDual Plate or Single Disc...
Size: 2"~36" Class: 150~2500Manufactured to BS 1868 & DINMetal to MetalBolted Cover, Pressure Seal Swing Type, Lift Type...
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