Upper-mounting-type hydraulic ball valve
A hydraulic and ball valve technology, which is applied in the field of top entry hydraulic ball valves, can solve problems such as thread blockage, difficult ball processing of V-shaped ball valves, and unstable performance, so as to avoid hidden dangers of valve body leakage, realize online maintenance needs, and simplify batch production The effect of production
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[0011] Such as figure 1 As shown, the top-entry hydraulic ball valve described in the embodiment of the present invention includes an upper valve stem 1, a valve cover 2, a valve body 4, a lower valve stem 6, and a valve seat assembly 9. The valve stem 1 and the lower valve stem 6 are located on the lower side of the upper valve stem 1. The valve cover 2 is installed and fixed with the valve body 4 through the screw 3, and the lower valve stem 1 is fixed with the valve body 4 through the screw 7; the lower edge of the valve body 4 A drain plug 8 is provided, a valve seat assembly 9 is installed between the valve body 4 and the central ball valve body 5, and a spring 10 with a spring seat 11 is provided on the outside of the valve seat assembly 9, and the valve seat assembly 9 is connected to the outer valve body 4, a locking screw 15 is installed, and the two sides of the locking screw 15 are respectively provided with a thrust ring 12 and a threaded hole ring 13, and the lowe...
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