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Product Name:Through-Conduit Gate Valve
CLASS 150~600 Throught Conduit Slab 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 critical pipeline application.
Standards compliance 
Design and manufacture: API 6D
Inspection and test: API 6D or API 598
Face to face dimension: ANSI B 16.10
Connection dimensions: ANSI B16.5 for flanged ends, ANSI B16.25 for butt welded ends.
Pressure and temperature rating: ANSI B16.34

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