вафельные осевая затворы

wafer central line butterfly valves wafer centerline butterfly valves Features: 1:It employs excellent quality materials to suit various kinds of media with different temperature and concentration. 2:Handy operating and save effort. 3:Small dimensions in out-form, light in weight, reliable in seal and long in durablility. 4:It can be arranged in various working position. 5:Manufacture Standard: API609 6:Inspection and Test: API598 7:Size ranging from 1.5" to 72" 8:Temperature Range: -60oC-250oC 9:Pressure class: Low Pressure≤2.5Mpa 10:SuitableMedium: Freshwater,Sewage,Seawater,Air,Steam,Food,Medicine,Oils,Acids,Alkslis,Salts,etc.Material of Main Parts: BODY: Cast iron, Ductile iron, Stainless steel, Copper alloy, Alumininm alloy,etc. DISC: Ductile iron, Stainless steel,Corrosion-resisting steel, Titanium steel, Copper alloy,etc. SEAT: NBR, EPDM,Neoprene, Hypalon, PTFE, Food-rubber, Fluoro-rubber, NR, etc. STEM: 316SS, 410SS,416SS. POWER: Manual, Pneumatic, Electric,etc.NOTE: The specifications can be designed and satisfied for customers' special requirements. We have got the WRAS and ISO9001 Certificate.