stainless steel trunnion ball valve

Ball valve is widely used in such fields as petroleum melting ,chemical induatry ,paper-making ,pharmaceutical industry ,food industry ,water poweer ,electric power,city planning ,steel,etc.among them the sulphur-resistance serial ball valve is specially applicable for natural gas long-distance transportation features containing sulphurate by drogen medium ,many impurity and serious corroding .Standard Design and manufactureper API608 API6D and ANSI B 16.34 or BS 5351standard Structral length of flange-connection per API6D or ANSIB16.10 standardStructral length (welding) API6D ANSI16.10 Connecting flange ANSIB16.5,B16.47Butt-welding ends ANSI16.25 pressure -temperature ratings per API6D or API568 standard end flange dimension per ANSI B 16.5 standard,API 605 or MSS sp-44 standard choose for customer1 size of NPS and size of class2 type of connection a flange(RF ,FM,M, ,TG ,FF,,RJ, SW,,BW, TH)R.F and R.T.J ype of connection flange ends to ANSIB16.5 standard or API605and MSS sp-44 standardB.W flange ends to ANSI B16.25 standard 3 type of operation Spanner, handwheel , worm actuator , gear actuator ,electric actuator ,pneumatic actuatorconnection dimensions of worm actuator , gear actuator ,electric actuator ,pneumatic actuator to ISO5211 standard 4 other equipmentanti-static construction "AS" and fire -resistant construction "FD"5 materialsaccording to ASTM carbon steel: WCB , A105,WCC,WCA, LCB,LCC;alloy steel:WC6,WC9,:cast stainless steel CF3,CF8,CF3M,CF8M; forged stainless steel :304,316,304L,316L;Cr5Mo,1Cr18Ni9Ti,0Cr17Ni12Mo2Ti and so on