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API Cast Steel Gate Valve
OS&Y, Rising stem, Flexible WedgeBolted bonnet, threaded or welded seat ringASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M Standards compliance Design and Manufacture: ANSI B16.34, API 600, API 6D, API 603, BS1414Face to face (end to end): ANSI B...
Pressure Seal Bonnet Gate Valve
OS&Y, Rising stem, Flexible wedgePressure seal bonnet, Threaded or welded seat ringASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7MStandards compliance Design and Manufacture: ANSI B16.34, API 600, API 6D, BS1414Face to face(end to end): ANSI B16...
Cryogenic Gate Valve
Bolted bonnet, extended stem, Threaded or welded seat ringFull bore, OS&Y, rising stem, flexible wedge, pressure relief hole on seat, Stainless trimASTM A352 LCB, LC1, LC2, LC3, LC4, A351 CF8, A351 CF8M Standards compliance Design and Manufacture: API 600, API 6D, BS1414Face...
Through-Conduit Gate Valve
Rising stem rotating and unrisen handwheel outside screw and yokemate-dusty design with position indicator parallel and solid wedge two structures with or without conduit. Welco also can product metallic sealing flat gate valve for critically pipeline application.  Standa...
Bolted Bonnet Knife Gate Valve
Design and manufacture: JB/T8691-1998Structural length: GB/T15188.2-94Flange connection: GB/T9113.1-2000 JB/T79-94Testing and inspection: GB/T13927-92Main parts materialsBody/BonnetCarbon steel, stainless steelDiscStainless steelStemStainless steelSeal RingRubber, PTFE, st...
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