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Micro-flow regulating valve

A flow control valve and tiny technology, applied in the field of control valves, can solve problems such as high cost and inconvenient maintenance, achieve the effects of small leakage, easy rapid replacement, and improved sealing effect

Active Publication Date: 2007-09-19
CHONGQING CHUANYI CONTROL VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problems of inconvenient maintenance and high cost caused by directly processing the sealing surface on the valve body of the current micro-flow regulating valve, the purpose of the present invention is to provide a new type of micro-flow regulating valve to solve the above problems

Method used

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Embodiment Construction

[0020] The micro-flow regulating valve of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so as to help understand the content of the present invention.

[0021] As shown in Figure 1, it is a small flow regulating valve, including the valve part and the actuator. The valve part is composed of a valve body 1 with an inlet and outlet and a flow channel, a valve seat 3, a valve core 27, a valve stem 28 and a valve cover 6 and the like.

[0022] As shown in Figure 1 and Figure 2, the valve seat 3 is an independent component, embedded in the valve seat hole on the valve body 1, and the annular gap between the valve seat 3 and the valve body 1 is equipped with a flexible graphite composite for the valve seat. Gasket 2 acts as a sealing element. The outer wall of the valve seat 3 is provided with an annular flange-shaped flange embedded in the stepped hole of the valve body 1, and the flange-shaped flange ...

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PUM

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Abstract

The invention discloses a micro-flow regulating valve, comprising a valve body, a valve base, a spool and an actuating mechanism, characterized in that the valve base is an independent element, which is embedded inside a valve base hole on the valve body, a sealing element is provided in an annular gap between the valve base and the valve body, the valve base is provided with a flow passage and a sealing surface. The regulating valve is convenient for rapid replacing and maintaining, which has a good sealing effect.

Description

technical field [0001] The invention relates to a regulating valve, in particular to a small flow regulating valve. Background technique [0002] The regulating valve is composed of the actuator and the valve part. The valve part is composed of the valve body, the valve seat and the valve core in the valve body, the valve cover, the valve stem and other components. The main part of the actuator is a cylinder. The piston rod of the cylinder and the valve The valve stems are connected by connecting parts. Use the air source to control the action of the cylinder piston to push the valve core to open and close to adjust the flow. [0003] At present, the small flow control valves used to control the small flow of extremely toxic, flammable, explosive, volatile, and corrosive media generally have problems such as large volume, high cost, inconvenient maintenance, large leakage, and poor sealing performance. defect. The specific performance is: [0004] (1) The valve seat is f...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K1/42F16K1/36F16K41/10F16K31/122
Inventor 吴绪敏蒋永兵王燕
Owner CHONGQING CHUANYI CONTROL VALVE
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