Gate Valves

详情

CLASS **0~***0 CAST STEEL GATE VALVE OS&Y, Rising stem, Flexible Wedge Bolted Bonnet, Threaded or welded seat ring ASTM A**6 WCB, A**7 WC6, A**1 CF8, A**1 CF8M, A**1 CF3, A**1 CF3M, A**1 CN7M Standards compliance Design and Manufacture:ANSIB*6.*4, API**0 API6D, API**3, BS***4 Face to face(end to end):ANSIB*6.*0, API6D Flanged connection:2"~*4"to ANSIB*6.5, *2", *6"~*6"to MSS-SP**4 to API**5 on Request Test and inspection:API**8, API6D Butt welded end:ANSIB*6.5 A.Anti-friction ball thrust bearing:Reduces friction between mating parts to ensure smooth operation screw:Secures yoke nut in the bonnet ipple:Supplies lubricant to the mating parts Materials NO. Part name Material *9 Grease nipple Brass *8 Grub screw Carbon steel *7 Hand wheel nut Carbon steel *6 Hand wheel Malleable lron/cast steel/ ducile lron/fabricated steel *5 Yoke nut Carbon steel/SS *4 Eye bolt and nut A **3 B7/A**4 2H~A**3 B8/A**4 8 *3 Pin Carbon steel/stainless steel *2 Stem nut A ***-D2/cu-alloy *1 Gland flange Carbon steel/equivalent to body material *0 Gland Stain less steel *9 Back seat Stain less steel *8 Stem Stain less steel *7 Seat ring CS+SS/SS/SS+STL *6 Wedge