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fast shut-off gate valves
Source: | Author:zhongdeen | Publish time: 2016-01-02 | 1434 Views | Share:
Rapid cut-off gate valve is a kind of rapid cut-off valve, a valve body, valve cover, stem, stem opening and closing institution and gate seal assembly fittings between components, its characteristic is using two pieces of wedge gate valve sealing disc and seal clearance fit, the wedge Angle of 10 °, there are two pieces of corresponding wedge up piece by T slot and wedge gate active connection, two blocks up pieces of the wedge Angle of 20 °, two blocks up pieces of the same by T slot connection with the valve stem, and with spherical centering of the bottom of the stem, can turn around a spherical free.