Pressure Seal Cast Steel Gate Valve

Features: 1.CLASS 600~2500 2.OS&Y, Rising stem, Flexible wedge 3.Pressure seal Bonnet, Threaded or welded seat ring 4.ASTM A216 WCB, A217 WC6, A351CF8, A351CF8M, A351 CF3, A351 CF3M, A351 CN7M Standards compliance 1.Design and Manufacture: ANSI B16.34, API600, API6D, BS1414 2.Face to face(end to end): ANSI B16.10, API6D 3.Flanged connection: ANSI B16.5 4.Butt welded end: ANSI B16.25 5.Test and inspection: API598, API6D A. Back up ring: Absors thrust applied by internal pressure B. Thrust ring: Protects the soft metallic gasket from deformation C. Gasket: Unique angular design provides superior sealing

steel valve