Butterfly valve introduction
Butterfly valve opening and closing pieces is a disc-shaped disc, the valve body around its own axis of rotation, so as to achieve the purpose of opening and closing or regulation. Butterfly valve has the advantages of simple structure, small volume, light weight, material consumption, small installation size, rapid switching, 90 ° reciprocating rotation, small driving torque and the like for cutting off, connecting and regulating the medium in the pipeline and having good Fluid control features and close the sealing performance.