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A kind of ultra-low temperature cut-off valve

A shut-off valve, ultra-low temperature technology, applied in the field of shut-off valves, can solve the problem of inconvenient flow adjustment

Active Publication Date: 2021-02-05
JIANGSU SHENGTAI VALVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an ultra-low temperature cut-off valve to solve the problem that the existing ultra-low temperature cut-off valve is not convenient to adjust the flow rate and has limitations in use

Method used

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  • A kind of ultra-low temperature cut-off valve
  • A kind of ultra-low temperature cut-off valve
  • A kind of ultra-low temperature cut-off valve

Examples

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Embodiment Construction

[0065] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0066] An embodiment of the present invention provides an ultra-low temperature cut-off valve, such as Figure 1-Figure 7 shown, including:

[0067] A valve body 1, a first cavity 2 and a second cavity 3 are arranged in the valve body 1, and the first cavity 2 and the second cavity 3 are communicated through a first passage 4;

[0068] a sealing assembly, the sealing assembly is arranged above the first channel 4;

[0069] Valve rod 5, one end of the valve rod 5 is connected to the upper end of the sealing assembly, the other end of the valve rod 5 extends to the outside of the upper end of the valve body 1 and a hand wheel 6 is installed, and the valve rod 5 is pr...

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Abstract

The invention discloses an ultra-low temperature cut-off valve, comprising: a valve body, a first cavity and a second cavity are arranged in the valve body, and the first cavity and the second cavity are communicated through a first passage a sealing assembly, the sealing assembly is arranged above the first passage; a valve stem, one end of the valve stem is connected to the upper end of the sealing assembly, and the other end of the valve stem extends to the outside of the upper end of the valve body and is installed manually Wheel, the valve stem is provided with a scale; a flow control device, the flow control device is arranged at the outlet end of the second cavity, and the flow control device is connected to the valve stem through a transmission device. The object of the present invention is to provide an ultra-low temperature globe valve. By setting a scale on the valve stem and adjusting the flow control device by adjusting the height of the valve stem, not only the cutting function of the ultra-low temperature globe valve is improved, but also the ultra-low temperature globe valve has flow control. Function, easy to control the flow, making the use of ultra-low temperature globe valve wider.

Description

technical field [0001] The invention relates to the technical field of stop valves, in particular to an ultra-low temperature stop valve. Background technique [0002] The ultra-low temperature globe valve is a valve specially used for severe working conditions. It usually works in low temperature environment. , The main parts of the ultra-low temperature globe valve have been subjected to cryogenic treatment, which can ensure that the valve remains flexible in switching at ultra-low temperature. [0003] The opening and closing part of the ultra-low temperature globe valve is a plug-shaped disc, the sealing surface is flat or sea-cone, and the disc moves linearly along the centerline of the valve seat. The movement form of the valve stem also has a lifting and rotating rod type that can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal, and radioactive media. Therefore, this type of shut-off v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K1/02F16K1/32F16K1/38F16K1/48F16K1/52F16K3/03F16K3/30F16K3/314F16K27/02F16K27/04F16K27/08F16K31/54F16K31/46F16K31/60F16K37/00F16K41/02F16L59/16B08B9/087
CPCB08B9/087F16K1/02F16K1/32F16K1/38F16K1/48F16K1/52F16K3/03F16K3/30F16K3/314F16K27/0254F16K27/045F16K27/08F16K31/46F16K31/54F16K31/60F16K37/0016F16K41/02F16L59/161
Inventor 严涛丁超果春焕史可任王金鹤郁勇李伟陈默然
Owner JIANGSU SHENGTAI VALVE CO LTD
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