name:Cast Steel Gate Valve Pressure:150LB~1500LB OS&Y, Rising stem, Flexible Wedge Bolted Bonnet, Threaded or welded seat ring ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M Design and Manufacture:ANSIB16.34, API600 API6D, API603, BS1414 Face to face(end to end):ANSIB16.10, API6D Flanged connection:2"~24"to ANSIB16.5, 22", 26"~36"to MSS-SP-44 to API605 on Request Test and inspection:API598, API6D Butt welded end:ANSIB16.5 A.Anti-friction ball thrust bearing:Reduces friction between mating parts to ensure smooth operation B.Grub screw:Secures yoke nut in the bonnet C.Grease nipple:Supplies lubricant to the mating parts Operation: Handwheel, Bevel Gear, Pneumatic, Electric