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Multifunctional filtering stop valve

A shut-off valve, multi-functional technology, applied in the field of multi-functional filter shut-off valve, can solve the problems of worn valves, blocked pipelines, short valve service life, etc., to ensure quality and service life, prolong service life, and lower manufacturing costs. Effect

Inactive Publication Date: 2015-02-11
TIANJIN TANGGU WATTS VALVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the plunger valve and globe valve are used in pipelines with impurities in the liquid (gas), the pipelines are often blocked and the valves are worn due to the impurities in the medium, resulting in a short service life of the valves and frequent maintenance of the pipelines or replace the valve

Method used

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  • Multifunctional filtering stop valve

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Embodiment Construction

[0019] figure 1 It is a schematic cross-sectional view of the multifunctional filter cut-off valve of the present invention; figure 1 As shown, the multifunctional filter cut-off valve of the present invention includes: a valve body 1, an inlet 1a and an outlet 1b are respectively arranged at both ends thereof, and a cut-off chamber 10 is arranged in it; In the chamber 10, a sealing device for preventing the medium from flowing from the inlet 1a to the outlet 1b is fixed at one end of the cut-off chamber; a filter chamber 11 communicating with the cut-off chamber is also arranged in the valve body, and a filter device is arranged in the filter chamber 11; 1a communicates with the cut-off chamber 10 , and the outlet 1b communicates with the filter chamber 11 . When the medium enters from the inlet 1a, the sealing device is opened under the force of the medium, so that the medium enters the cut-off chamber 10, and then enters the filter chamber 11, and then flows out of the val...

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Abstract

The invention discloses a multifunctional filtering stop valve. The multifunctional filtering stop valve comprises a valve body (1) and a valve rod (6); an inlet (1a) and an outlet (1b) are respectively arranged in two ends of the valve body (1); a cut-off cavity (10) is arranged in the valve body (1); the valve rod (6) is mounted into the cut-off cavity (10) through a cut-off cavity end cover (7); a sealing device for stopping a medium flowing from the inlet (1a) to the outlet (1b) is connected to one inner end of the cut-off cavity (10). The multifunctional filtering stop valve is characterized in that a filtering cavity (11) which is communicated with the cut-off cavity (10) is also arranged in the valve body (1); a filtering device is arranged in the filtering cavity (11); the inlet (1a) is communicated with the cut-off cavity (10); the outlet (1b) is communicated with the filtering cavity (11). The multifunctional filtering stop valve has the cut-off and returning stopping functions, and also has the capacity of filtering the medium flowing through a pipeline; therefore, the pipeline is avoided blocking, and the valve is avoided damage caused by impurities; the multifunctional filtering stop valve is simple in structural design and reliable in working performance.

Description

technical field [0001] The invention relates to the technical field of stop valves, in particular to a multifunctional filter stop valve capable of filtering impurities in media. Background technique [0002] Globe valves are often used in pipelines to prevent the flow of media. When the plunger valve and globe valve are used in pipelines with impurities in the liquid (gas), the pipelines are often blocked and the valves are worn due to the impurities in the medium, resulting in a short service life of the valves and frequent maintenance of the pipelines or replace the valve. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned problems in the prior art and provide a multifunctional filter stop valve, which not only has the function of a stop valve, but also can filter the medium flowing through the pipeline, thereby avoiding the blockage and impurities of the pipeline Damage to the valve; it can also avoid the backfl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K27/02B01D35/04
CPCF16K27/02B01D29/35B01D35/04B01D46/2411F16K1/00
Inventor 王展波林秉灿
Owner TIANJIN TANGGU WATTS VALVE CO LTD
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