Spring-loaded type fluorine lining safety valve and valve clack assembly thereof as well as processing method of valve clack assembly

A safety valve, spring-type technology, applied in the processing field of spring-type fluorine-lined safety valve and its valve disc assembly and valve disc assembly, can solve the problems of high price, easy leakage of bellows, and high cost, and achieves low price and high sealing performance. Good effect, ensure zero leakage effect

Active Publication Date: 2017-09-26
ZHEJIANG TIANHE VALVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the deficiencies in the background technology, the present invention provides a spring-type fluorine-lined safety valve and its valve disc assembly and a proces

Method used

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  • Spring-loaded type fluorine lining safety valve and valve clack assembly thereof as well as processing method of valve clack assembly
  • Spring-loaded type fluorine lining safety valve and valve clack assembly thereof as well as processing method of valve clack assembly
  • Spring-loaded type fluorine lining safety valve and valve clack assembly thereof as well as processing method of valve clack assembly

Examples

Experimental program
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Effect test

Embodiment Construction

[0029] Embodiments of the present invention will be further described below in conjunction with accompanying drawings:

[0030] Such as Figure 1-3 As shown, a spring-type fluorine-lined safety valve includes a valve body 1, a valve seat 2, a valve cover 3, a valve stem 4, a valve disc assembly 5, a guide sleeve 6, and a recoil disc 7; the guide sleeve 6 is arranged on Between the valve body 1 and the valve cover 3, the valve stem 4 passes through the guide sleeve 6 to withstand the valve disc assembly 5, and an elastic assembly is arranged outside the valve stem 4 to drive the valve stem 4 downward;

[0031] The surface of the inner cavity of the valve body 1 and the valve seat 2 is provided with a layer of fluorine-lined layer 10, and the valve body is provided with a dovetail groove to fix the fluorine-lined layer on the valve body to prevent falling off; the valve disc assembly 5 is made of fluoroplastic Integral processing and molding, including valve flap 51, bellows 52...

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Abstract

The invention relates to a spring-loaded type fluorine lining safety valve and a valve clack assembly thereof as well as a processing method of the valve clack assembly, which mainly aim to solve the problems of easiness in leakage, high price and high cost of a bellows of an existing spring-loaded type fluorine lining safety valve. The spring-loaded type fluorine lining safety valve and the valve clack assembly are characterized in that the valve clack assembly comprises a valve clack, a bellows and an installation disc and is integrally processed and formed by adopting fluoroplastics. The spring-loaded type fluorine lining safety valve and the valve clack assembly have the advantages that the valve clack assembly is integrally processed and formed, and compared with a separated structure, the integrated structure has the advantages of no gap, good sealing effect and zero leakage; additionally, the fluoroplastics which have the advantages of good corrosion resistant performance and low price are adopted, so that the manufacturing cost is greatly reduced.

Description

technical field [0001] The invention relates to a spring-type fluorine-lined safety valve, in particular to a spring-type fluorine-lined safety valve, a valve disc assembly and a processing method for the valve disc assembly. Background technique [0002] The safety valve is a special valve whose opening and closing parts are in a normally closed state under the action of external force. When the medium pressure in the equipment or pipeline rises above the specified value, it discharges the medium to the outside of the system to prevent the medium pressure in the pipeline or equipment from exceeding the specified value. , The safety valve belongs to the automatic valve category, mainly used in boilers, pressure vessels and pipelines, to control the pressure not to exceed the specified value, and play an important role in protecting personal safety and equipment operation. [0003] In some industries, raw materials, process media and finished products in the production proces...

Claims

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Application Information

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IPC IPC(8): F16K1/36F16K1/42F16K41/10F16K17/06F16K27/02B23P15/00
CPCF16K1/36F16K1/42F16K17/06F16K27/0272F16K41/103B23P15/001
Inventor 金陈超
Owner ZHEJIANG TIANHE VALVE CO LTD
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