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Ultralow-temperature floating ball valve

A floating ball valve, ultra-low temperature technology, applied in the direction of control valve, valve device, functional valve type, etc., can solve the problems of no medium circulation, safety hidden range, etc., and achieve the effect of avoiding potential safety hazards.

Pending Publication Date: 2022-03-01
JIANGSU JIULONG VALVE MFG
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Problems solved by technology

[0002] With the development of society and the rapid development of modern large-scale machinery, petroleum, chemical industry, new energy, nuclear industry and other industries, the requirements for sealing safety and reliability of valves are getting higher and higher. In ultra-low temperature valves, the cavity pressure is too low. Gas, in the ultra-low temperature gas, there is no circulation of the medium, and there is a great safety hazard

Method used

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  • Ultralow-temperature floating ball valve
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  • Ultralow-temperature floating ball valve

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Embodiment Construction

[0018] 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.

[0019] refer to Figure 1-3 , an ultra-low temperature floating ball valve, comprising a valve body 1, a liquid inlet channel 2 is provided in the middle of the valve body 1, and a valve cover 3 is installed on the top end cover of the valve body 1, and a valve is inserted in the middle of the valve body 1 vertically Rod 5, the valve handle 4 is installed and fixed on the top of the valve rod 5, the middle part in the valve body 1 is installed and fixed with a sealed bearing seat 6, and the middle part of the sealed bearing seat 6 is rotated and inserted with a valve stem 5.

[0020] And the bottom end of the valve stem 5 is installed and fixed with a sphere 8, the m...

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Abstract

The invention relates to the field of floating ball valves, in particular to an ultralow-temperature floating ball valve which is characterized in that a liquid inlet channel is formed in the middle of a valve body, a valve cover covers the top end of the valve body, a valve rod is vertically and rotatably inserted in the middle of the valve body, a valve handle is fixedly mounted at the top end of the valve rod, and a ball is fixedly mounted at the bottom end of the valve rod; a liquid inlet hole is formed in the middle of the ball in a penetrating mode, the ball is horizontally and rotationally arranged in the middle of the liquid inlet channel, an exhaust pipe is vertically inserted under the ball and communicates with the liquid inlet hole, the bottom end of the exhaust pipe extends out of the valve body, and a one-way air valve is fixedly installed at the end, extending out of the valve body, of the exhaust pipe. Therefore, the exhaust pipe can exhaust the gas in the liquid inlet channel in time, and potential safety hazards of the valve body are avoided.

Description

technical field [0001] The invention relates to the technical field of floating ball valves, in particular to an ultra-low temperature floating ball valve. Background technique [0002] With the development of society, with the rapid development of modern large-scale machinery, petroleum, chemical industry, new energy, nuclear industry and other industries, the requirements for sealing safety and reliability of valves are getting higher and higher. In ultra-low temperature valves, the cavity pressure is too low to form Gas, in the ultra-low temperature gas, there is no circulation of the medium, and there is a great safety hazard. Contents of the invention [0003] The object of the present invention is to propose an ultra-low temperature floating ball valve in order to solve the shortcomings in the prior art. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: [0005] An ultra-low temperature floating ball valv...

Claims

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Application Information

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IPC IPC(8): F16K5/06F16K15/18F16K24/02
CPCF16K5/06F16K24/02
Inventor 潘明尧刘成美卞菊芳
Owner JIANGSU JIULONG VALVE MFG
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