Ventilation butterfly using the same material into the valve body seals, the applicable temperature varies depending on the selection valve, nominal pressure ≤ 0.6MPa, generally applicable to industry, metallurgy, environmental protection, regulating media flow conduit for ventilation purposes, its main features are:
1.Novel design, reasonable, unique structure, light weight, open and close quickly.
2.Operating torque is small, easy to operate, smart victory.Using materials adapted to meet different medium temperature and corrosive media.
