Double spring support pull type automatic filling valve float valve
An automatic grouting, double-spring technology, applied in wellbore/well components, earthwork drilling, flushing wellbore, etc., can solve the problems of incapable of automatic grouting torsion spring, easily damaged float valve, failure, etc. Blowout, time saving, low cost effect
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[0011] Such as figure 1 As shown, a double-spring support type automatic grouting valve float valve is composed of a float valve joint 1, a float valve and a valve support device. The float valve consists of an upper valve body 2, an upper sealing ring 3, a sealing gasket ring 4, a middle The sealing ring 5, the valve body seat 6, the valve sealing ring 7, the valve 9 and the lower sealing ring 11 are composed of the valve supporting device, which is composed of the valve supporting spring hook 6a, the support torsion spring 8 and the supporting spring 10, and the floating valve Placed in the float valve joint 1, the upper valve body 2 is connected with the valve body seat 6 with threads, the upper sealing ring 3, the gasket ring 4, and the middle sealing ring 5 are set on the upper valve body 2, and the valve sealing ring 7 is inlaid Installed in the groove of the valve body seat 6 at the closing position of the valve 9, the lower sealing ring 11 is set on the lower end of th...
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