Q41F球阀门

manufacturing practices: Flange standard ANSI B16.5,MSS-SP44,GB9112-9113-88,HGJ44-76-91Standard welding end ANSI B16.25,GB12224-89,or user requirementsThe structure of the length of the standard GB12221, GB12237,JB/T7745, ASMEB16.10,BS5351Pressure test standard API598,API16D,GB/T13927 Parts name Ordinary carbon steel series Stainless steel series Low temperature steel series Anti-S series GB NACE Valve body, left body WCB CF8,CF8M,CF3,CF3M LCB,LCC WCB CF8M Ball body F6a,WCB+HCr CF8,CF8M,CF3,CF3M LCB,LCC WCB+HCr,F6a CF8M Valve seat PTFE,sintering of carbon fiber, metal+rubber components,mental carbide hardfacing Valve steam F6a 304,316 F6a 318 316 Valve seat ring bearing A105,Zn 304,316 A105,Zn A105,Zn 316 Stem packing PTFE, carbon fiber, flexible graphite Stem bearing,trust bearing metal liner PTFE, sintering carbon fiber Pressure packing F6a 304,316 F6a F6a 316 Spring 3Yc-7 Double-headed stud A193-B7 A193-B8, B8M A320-L7 A193-B7 A193-B7 Num A194-2H A194-8 A194-4 A194-2H A194-2H Gland WCB,A105 PN(Mpa) Nominal pressure Highest pressure(Mpa) Testing pressure(Mpa) High-pressure fluid sealing Low-pressure gas seals Shell 1.6 1.6 7.8 0.6 2.4 2.5 2.5 2.8 0.6 3.8 4.0 4.0 4.4 0.6 6.0