CLASS 600~2500 PRESSURE SEAL GATE VALVE
OS&Y, Rising stem, Flexible wedge
Pressure seat Bonnet, Threaded or welded seat ring
ASTM A216 WCB, A217 WC6, A351CF8, A351CF8M,
A351 CF3, A351 CF3M, A351 CN7M

Standards compliance

Design and Manufacture: ANSI B16.34, API600, API6D, BS1414
Face to face(end to end): ANSI B16.10, API6D
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
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