Butterfly valve structure is very simple, only simple valve body, valve stem, disc, seat and drive a few simple parts, while the structure is simple, but the role of the butterfly valve can not underestimate, small structure has great utility.The type of butterfly valve is also very much. According to the sealing structure, it can be divided into soft sealing butterfly valve and common double eccentric hard sealing butterfly valve and three eccentric hard sealing butterfly valve. What are the functions and uses of different butterfly valves? Then look down.
The butterfly valve can be used as a regulating flow, when the butterfly valve needs to regulate the flow under special working conditions, or in an environment where the sealing performance is strictly required, or the operating condition of the butterfly valve is severe wear, low temperature and other harsh work. In some cases, the three eccentric special butterfly valves with specially designed metal sealing tape adjusting device are needed.
