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Axial-flow type air control balance stop valve

A technology of axial flow and globe valves, which is applied in the direction of lifting valves, valve details, valve devices, etc., can solve the problems of large installation space and large volume of high-pressure valves, achieve small installation space, improve product life, and save installation space Effect

Inactive Publication Date: 2015-05-20
李春松
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The high-pressure valve has a large volume, so the required installation space is large

Method used

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  • Axial-flow type air control balance stop valve

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] An axial-flow air-controlled balance stop valve, including a housing 1, a valve seat assembly 2, a joint 3 and a gasket 4, characterized in that: the housing 1 has a control port 5 and a balance hole 6, and the control port 5 communicates with the piston 7, and the piston 7 is connected with the return spring 21 on the movable valve seat 9.

[0024] The valve seat assembly 2 includes a valve seat body 8 and a movable valve seat 9, the center of the valve seat body 8 is a gas outlet 10, and a sealing ring 1-11 and a sealing ring 2-12 are arranged between the valve seat body 8 and the housing 1 , sealing ring 3-13, sealing ring 4-14 is arranged between valve seat body 8 and movable seat valve 9.

[0025] There is a gas inlet 15 in the middle of the joint 3, a throttle 16 is arranged in the middle of the gas inlet 15, a gland 17 ...

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Abstract

The invention relates to an axial-flow type air control balance stop valve and belongs to the field of air control stop valves. The axial-flow type air control balance stop valve comprises a shell 1, a valve seat assembly 2, a joint head 3 and a sealing gasket 4. An air source is controlled to enter the valve from a control port 5 and push a piston 6 and a reset spring 21 on a movable valve seat 7, the movable valve seat 7 and the sealing gasket 4 are disengaged, and then the valve is opened; after the air source is controlled to stop supplying air, the movable valve seat 7 makes contact with the sealing gasket 4 again and is sealed under the action of the reset spring 21, air flow in a system is cut off, and the valve is closed. The axial-flow type air control balance stop valve is small in size, low in flow resistance, convenient to install, capable of saving installation space, mainly applicable to a high-pressure fluid system and suitable for large-range popularization.

Description

technical field [0001] The invention relates to the field of air-controlled shut-off valves, in particular to an axial-flow air-controlled balanced shut-off valve. Background technique [0002] Axial-flow air-controlled balance shut-off valve is a shut-off valve controlled by a pressure air source, with axial air intake, to control the on-off of fluid in the high-pressure system, and realize the on-off control. The product is small in size, small in flow resistance, easy to install, saves installation space, and can realize remote control. It is mainly used in high-pressure fluid systems. [0003] The high-pressure globe valves currently on the market have the following disadvantages: [0004] 1. The high-pressure valve has a large volume, so it requires a large installation space. [0005] 2. The valve seats are all fixed, which is convenient for disassembly and maintenance, and makes the opening and closing of the globe valve sensitive and reliable. [0006] 3. The flui...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/122F16K1/32F16K1/42
CPCF16K31/122F16K1/32F16K1/42
Inventor 李春松
Owner 李春松
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