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Quick-connect ball valve convenient to connect with pipeline
XINBAODA
Release time
2021-06-01 12:08
Summary
In China, fast ball valves are widely used in water conservancy, municipal, electric power, pharmaceutical, chemical, long-distance pipeline, oil refining, papermaking, steel and other industries, and occupy a pivotal position in the national economy. It has the function of rotating 90 degrees. The cock body is a sphere with a circular through hole or channel passing through its axis.
ball valve is mainly used to distribute, cut off and change the flow direction of the medium in the pipeline. It only needs 90 degree rotation and a small torque to close. Ball valves require piping to be used. Generally, ball valves sold on the market have internal threads at both ends, and the pipe has matching external threads and is connected to the ball valve.
But considering the tightness of the connection between the pipe and the ball valve, the usual practice is to cover the threaded end of the pipe with a waterproof membrane, and then screw the pipe into the ball valve, which is troublesome to operate.
In order to solve the above problems in the prior art, technicians develop and provide a quick-connect ball valve that is convenient to connect with a pipeline. The quick-take ball valve is realized through the following technical solutions: a quick-take ball valve includes a sealing ring, a valve stem, a valve ball, a sealing gasket, a gland, a valve body, a valve cover, a handle and a fixing nut, wherein the axial opening of the valve body is connected with the valve cover, the spherical valve core is arranged in the cavity formed by the valve body and the valve cover, and the valve stem is installed in the upper cylindrical cavity of the valve, the valve stem and valve body are sealed by a sealing ring compressed by a compression cap, and the valve stem and compression cap are sealed by a "0"-shaped sealing ring.
pipeline quick-connect assembly includes wire snap ring, elastic ring gear, anti-back bushing, O-ring, loose bushing and fixed cover. The o-ring, the non-return sleeve and the elastic ring gear are placed in the cavity at both ends of the ball valve in turn. The non-return sleeve is an annular structure with a tapered inner cavity; the large end of the non-return bushing abuts on the o-ring, and the small end of the non-return bushing and the tapered inner cavity abut on the elastic ring gear, and the elastic ring gear is fixed by a wire collar.
is deformed under the action of force, and the inner end of the pipeline is compressed, while preventing the fluid medium from leaking into the external environment.
The quick-connect ball valve can quickly connect PEX pipe, steel pipe, copper pipe, polybutylene pipe and other pipe valve fittings. It can be reused; the quick-connect ball valve has the characteristics of durable sealing, high pressure resistance, high temperature resistance, corrosion resistance, pressure resistance, long service life, and low friction coefficient. It is suitable for medium circulation pipelines such as chemical industry, strong acid, strong alkali, and oil refining.
2018-07-23