Complete range of worm gear ventilation butterfly valves

Worm gear ventilation butterfly valve
, Worm gear ventilation butterfly valve
, is a ventilation butterfly valve produced by our company and made of steel plate welding. It has the characteristics of short structural size, light weight and easy installation. The valve has small driving torque, flexible opening and closing, and easy operation. The valve body is equipped with an oil sealing back-up ring. There is no visible gap between the sealing pairs and the leakage rate is small. The expansion gap between the butterfly plate and the valve body is large, which can effectively prevent jamming caused by thermal expansion and contraction. This valve can be equipped with a variety of driving devices, such as manual device, worm gear transmission, pneumatic device and electric device.
, Turbine ventilation butterfly valve
, is widely used in metallurgy, electric power, building materials, mining and other industrial pipelines to control or regulate the medium gas.
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