Butterfly valve, also called flap valve, is a simple regulating valve with simple structure. The butterfly valve which can be used for switching control of low-pressure pipeline medium refers to the closing element(valve disc or butterfly plate)as the disc, which rotates around the valve shaft to achieve opening and closing. . Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium. It is mainly used for cutting and throttling on the pipeline. The opening and closing part of butterfly valve is a disc-shaped butterfly plate, which rotates around its own axis in the valve body, so as to realize the purpose of opening and closing or adjusting.
Body: ductile iron, grey iron, cf8, cf8m
Disc: ductile iron, cf8, cf8m
sealing: PTFE,EPDM,NBR ,metal
Actuator:lever , worm gear , electric, pneumatic
Media: water ,seawater,gas, oil, harsh chemicals etc.
