
Flange metal seat butterfly valve, operate from 0 to 90 degree through stem, disc and handle. Butterfly also could be used in shut off valve and throttle regulation valve, is more widely used in low pressure and big size pipelines.
Flange metal seat buttefly valve, has concentric type, single eccentric, double eccentric and triple eccentric type. You could choose according to your operation system and fluid temperature, etc.
Buttefly valve have advantage of long-life circle, light weight, use widely, simple structure, etc.
According to different operation system, you also could choose electric actuator, pneumatic actuator, worm gear for open and close.


