1 use the short middle-type plate and structural steel plate welding structure design and manufacture of new, compact, light weight, easy to install, small flow resistance, a large circulation, to avoid the impact of high inflation, easy operation
2 is no link, bolts, reliable, long service life. Can multi-station installation from media flows,
Ventilation butterfly valve
is a non-sealed butterfly valve, widely used in building materials, metallurgy, mining, electricity and other types of production process medium temperature ≤ 300 ℃ Nominal pressure is 0.1Mpa of pipe to connect, open and close or adjust the quality of referral .
Butterfly is a simple structure of the valve, but also can be used for low-pressure pipe switch control medium. Ventilation butterfly valve is a non-closed-type valve.
Ventilation butterfly valve used in chemical, building materials, power plants, glass industry, ventilation, environmental engineering dust cold or hot gas pipeline, gas medium as a regulator or cut off the pipeline flow control device. The class in general in the pipe valve should be installed horizontally.
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