Wafer Butterfly Valve disc installed in the pipe diameter direction. In the butterfly valve body cylindrical channel, the disc-shaped disc rotates about the axis, the rotation angle of 0 -90 , can play a role in regulating the flow, when the disc rotates to 90 , the valve reaches the maximum Opening Clip-on butterfly valve structure is simple, small size, light weight, only a few components. And just turn 90 to quickly open and close, easy to operate, while the valve has good fluid control features. Type: Wafer Type, Lug Type, Grooved type Material: Cast Iron, Ductile Iron or as clients requirements. Design Pressure: PN6-PN20, Class 125-Class150 Working Temperature: EPDM 16Bar at -10 to 120; NBR 16Bar at -10 to 82; Viton 16Bar at-10 to 150 Suitable Midium: Water, Oil, Gas Details as follow drawing