Three-eccentric and bidirectional metal sealing butterfly valve
A metal seal, triple eccentric technology, applied in the direction of valve lift, valve details, valve device, etc., can solve problems such as stuck, valve stuck, seal failure, etc., to increase elastic deformation, reduce friction coefficient, increase structural strength Effect
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[0031] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0032] As shown in the figure: the three-eccentric two-way metal-sealed butterfly valve in the embodiment mainly consists of a valve body 1, a valve plate 2, a valve stem 3, a sealing ring 4, a valve seat 5, a valve seat gasket ring 6, a valve seat retainer ring 7, The first bearing backing ring 8, the first bearing 9, the packing gasket 10, the packing 11, the packing gland 12, the packing gland 13, the stud 14, the hex nut 15, the valve seat sealing washer 16, the key 17, the pin 18. Limiting semi-circular ring 19, thrust pad 20, gasket 21, second bearing backing ring 22, second bearing 23, limiting plate 24, limiting screw 25, hex head bolt 26, spring washer 27, bottom Cover 28, bottom cover gasket 29, second screw 30, seal ring seal washer 31, first screw 32, seal ring pressure ring 33 and so on.
[0033] Such as figure 1 As shown, the valve body 1 is pr...
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