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Patent Name:
Corrugated pipe track ball valve
Patent Number:
ZL202122374316.5
Type of patent:
Utility model patents
Patentee:
Jiangsu Shentong Valve Co., Ltd.
Patent Abstract:
A bellows track ball valve, comprising a valve stem, a valve cover, a valve seat, and a sphere. A bellows is arranged between the valve stem and the valve cover, a valve cover nut is arranged on the outside of the bellows, and the valve cover nut and the valve cover are matched by a thread pair. The lower part of the valve stem is provided with a positioning shoulder welded with the bellows, the valve cover is provided with a guide pin, the guide groove is linear, and the upper part of the ball is provided with a 90 spiral groove, the lower end of the valve stem is provided with a 90 ° spiral guide rail matched with the 90 ° spiral groove hole, the central axis of the 90 ° spiral guide rail and the axis of the valve stem are provided with an eccentric amount, the upper end surface of the sphere is provided with an annular groove, and a thrust collar is embedded in the annular groove. The beneficial effect of the utility model is that the simple and effective movement mode overcomes many shortcomings of the general ball valve, and achieves no friction in the switching process and zero leakage in the switching process, which makes the switching between the ball and the valve seat without friction, and reduces the valve Opening and closing torque.
Transfer Price:
$3 million
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