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Axial-flow type pneumatic control balancing stop valve

A stop valve, axial flow technology, applied in the field of axial flow air control balance stop valve, can solve the problems of gas leakage, poor sealing, etc., achieve the effect of improving performance and life, small installation space, and saving installation space

Inactive Publication Date: 2016-04-20
HENAN AEROSPACE HYDRAULIC & PNEUMATIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing air-controlled balance globe valve has poor sealing performance, and gas leakage often occurs during use

Method used

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  • Axial-flow type pneumatic control balancing stop valve

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Embodiment Construction

[0012] 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.

[0013] An axial-flow air-controlled balance globe valve, such as figure 1 As shown, it includes a housing 2, a valve seat assembly 1 is provided on one side of the housing 2, a B outlet 10 is provided on one side of the valve seat assembly 1, and a movable valve seat 4 is installed on the other side of the valve seat assembly 1, and the movable valve seat 4 A movable valve 11 is installed inside, and a joint 8 is arranged on one side of the movable valve 11, and a gasket 5 is arranged at the end of the junction 8, and the joint 8 cooperates with the movable valve 11 through the gasket 5, and a restrictor 17 is arranged on the inner side of the junction 8 , A inlet 1...

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Abstract

The invention discloses an axial-flow type pneumatic control balancing stop valve which comprises a shell, wherein a valve seat assembly is arranged at one side in the shell, an outlet B is formed at one side of the valve seat assembly, a movable valve seat is arranged at the other side of the valve seat assembly, a movable valve is arranged in the movable seat assembly, a knot is arranged at one side of the movable valve, and a sealing pad is arranged at the end part of the knot. According to the design of the invention, axial-flow type design is adopted, the structure is compact, and required mounting space is small. The valve seat of existing stop valves on the market are all fixed, while the movable valve seat with a balancing hole, adopted by the stop valve disclosed by the invention, is long in life and flexible and reliable in opening and closing.

Description

technical field [0001] The invention relates to an axial-flow air-controlled balance cut-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. The valve seats of the existing air-controlled balanced globe valves are all fixed, insensitive to opening and closing, occupy a large space, and are easily damaged during use. The airtightness of the existing air-controlled balance stop valve is not good, and gas leakage often occurs during use. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide an a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/04F16K47/08
Inventor 陈正立石定明杨白鸽刘宝林丁继杰黄世朋王吉侯云马斌李医中
Owner HENAN AEROSPACE HYDRAULIC & PNEUMATIC TECH
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