手册的蝴蝶阀门

Material for main parts Parts name Material Body Cast iron,ductile iron,cast steel, stainless steel Disc Monel, ductile iron, stainlesss steel Seat EPDM, PTFE,NBR Stem SS416 or SS316 Pin SS316 Butterfly valve seal material choice and apporpriate tempersture Material variety Neoprene Styene rubber EPDM PTFE Silicon rubber Fluorine rubber Resistance highest temperature 82°C 93°C 150°C 232°C 250°C 204°C Resistance lowest temperature -40°C -40°C -40°C -268°C -70°C -23°C Suitable working temperature ≤65°C ≤80°C ≤120°C ≤200°C ≤200°C ≤180°C Worm butterfly valve is simple in structure,excellent quality,widely used.It can be installed in petroleum, chemical, food, medicine, textile, paper making, hydropower, marine, urban water supply and drainage, metallurgy, energy and other system which media is corrosive, non-corrosive gas, liquid, semiliquid and solid powder. The valve is used as a control and cut-off equipment. Main features: 1.Novel design, unique structure, light weight, open and shut quickly 2.Operating torque is small, user-friendly, labor-saving and flexible 3.Can be installed in any position ,easy to maintain. 4.Sealing material can be replaced,reliable sealing performance,can achieve zero leakage. 5.Ageing resistance, corrosion resistance, long service life 6.Completely sealed, zero gas leakage test 7.Applicable to a variety of medias when use different