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The feature of the double eccentric butterfly valve

2021-11-16 11:24:44

The double eccentric butterfly valve has a further improved shape on the basis of the single eccentric butterfly valve, and it is currently the most widely used butterfly valve. Its structural feature is that the axis of the valve stem deviates from the center of the butterfly plate and the center of the valve body. The double eccentric effect enables the butterfly valve to be released from the valve seat immediately after opening, which greatly eliminates unnecessary excessive squeezing and scraping of the butterfly plate and valve seat, reduces opening resistance, reduces wear and extends use The position of the life valve seat is improved.


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