Descripción del producto

Technical specification Structural formation Double eccentric structure Design reference GB API Driving manner Hand-operated, worm wheel & worm screw pneumatic operated, Electric-driving Design standard GB/T****8 API**9 MSS.SP**8 Face to face GB/T****1 ASMEB*6.*0, Flanged ends JB/T*9, JB/T*2, GB/T***5 ASMEB*6.5, ASMEB*6.*7 Test & inspection JB/T***2 API**8 Notes:The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement. Major parts matrial form No. Patr name Material No. Patr name Material 1 Body WCB, CF8, CF8M, CF8C, CF3, CF3M 5 Packing Graphite 2 Stem 1Cr*3, 2Cr*3, 1Cr*8Ni9Ti, 0Cr*8Ni*2Mo2Ti 6 Stuffing cover WCB, CF8, CF8M 3 Disc WCB+F4, WCB+ stainless steel composite component, WCB+F6, CF8, CF8M 7 Yoke WCB, CF8, CF8M, CF3, CF3M 4 Packing seat 2Cr*3 8 Worm device Notes:Relevant material of america standard is not to be particularized respectively.