Manual high-temperature ball valve
A ball valve, high temperature technology, used in valve devices, engine components, cocks including cut-off devices, etc., can solve the problems of poor sealing effect, high temperature resistance performance, and non-compact ball valve structure design. The effect of erosion, ease of operation and maintenance
Inactive Publication Date: 2019-05-10
SHANGHAI QIGAO VALVE MFG
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Problems solved by technology
[0003] There are many kinds of high temperature ball valves on the market, but the structure design of the existing ball valves is not compact, the sealing effect is poor, and the high temperature resistance performance needs to be improved
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] see figure 1 , in the embodiment of the present invention, a manual high-temperature ball valve includes a valve body 4, a ball 6 and a valve seat 7, a bottom cover 1 is provided at the lower end of the valve body 4, and a A sealing ring 3, the bottom cover 1 and the valve body 4 are fixedly connected by several hexagon socket bolts 2, and the sealing ring 3 can play a sealing role;
[0022] A lower valve stem 5 is arranged inside the lower end of the ...
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The invention discloses a manual high-temperature ball valve. The manual high-temperature ball valve comprises a valve body, a ball body and a valve base. The manual high-temperature ball valve is characterized in that a bottom cover is arranged at the lower end of the valve body, a sealing ring is arranged between the bottom cover and the valve body, the bottom cover is fixedly connected with thevalve body through a plurality of hexagon socket bolts, and the sealing ring can play a sealing role; a lower valve rod is arranged in the lower end of the valve body; the valve body is fixedly connected with the valve base; the ball body is arranged inside the valve body, the lower end of the ball body is connected with the lower valve rod, and the upper end of the ball body is connected with anupper valve rod; a sliding bearing is arranged at the upper end of the valve body; and a support is arranged at the upper end of the valve body, a key is arranged between the support and the valve body, a turbine is arranged at the upper left end of the support, and the turbine is fixedly connected with the support. The manual high-temperature ball valve is compact in design structure, reliable in sealing, simple in structure and convenient to maintain, is not prone to being eroded by media, and is easy to operate and maintain and suitable for all kinds of hostile environments.
Description
technical field [0001] The invention relates to a ball valve, in particular to a manual high-temperature ball valve. Background technique [0002] The high temperature ball valve is a metal sealing structure, the sealing form is metal to metal sealing, the replaceable metal sealing ring is to metal sealing, and the stainless steel plate and graphite composite plate sealing ring is to metal sealing. In addition to electric drive, the drive form of hard seal butterfly valve also includes manual, worm gear drive, pneumatic and so on. The butterfly plate of the high temperature ball valve is installed in the diameter direction of the pipeline. In the cylindrical channel of the hard-sealed ball valve body, the disc-shaped butterfly plate rotates around the axis, and the rotation angle is between 0° and 90°. When the rotation reaches 90°, the valve is fully open. [0003] There are many kinds of high temperature ball valves on the market, but the structure design of the existing...
Claims
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IPC IPC(8): F16K5/06F16K5/08
Inventor 叶良福
Owner SHANGHAI QIGAO VALVE MFG