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Zero gauge pressure opened diaphragm valve

A diaphragm valve and gauge pressure technology, applied in the direction of diaphragm valves, diaphragms, valve devices, etc., can solve the problems of low efficiency of diaphragm valves and achieve the effect of improving the efficiency of water flow

Active Publication Date: 2015-06-10
新疆远达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a diaphragm valve with zero gauge pressure opening to solve the technical problem of low efficiency of the diaphragm valve due to low water pressure and incomplete opening

Method used

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  • Zero gauge pressure opened diaphragm valve
  • Zero gauge pressure opened diaphragm valve
  • Zero gauge pressure opened diaphragm valve

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] Such as figure 1 As shown, the present invention provides a diaphragm valve with zero gauge pressure opening, comprising a valve body 10, the valve body 10 is provided with an inlet chamber 11 and an outlet chamber 12 connected to each other; a valve cover 13 is arranged on the valve body 10; a sealing seat 14, set between the inlet cavity 11 and the outlet cavity 12; the diaphragm 21, set between the valve body 10 and the valve cover 13, the first control c...

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Abstract

The invention provides a zero gauge pressure opened diaphragm valve comprising a valve body, a bonnet, a seal base, a diaphragm and a miniature pump. The valve body is provided with an inlet cavity and an outlet cavity communicated with each other. The bonnet is disposed on the valve body. The seal base is disposed between the inlet cavity and the outlet cavity. The diaphragm is disposed between the valve body and the bonnet. A first control cavity is formed between the diaphragm and the bonnet. The diaphragm and the seal base are hermetically fitted. One end of the miniature pump is communicated with the first control cavity. Since the first control cavity is communicated with the miniature pump, under zero gauge pressure, the miniature pump freely controls the valve to fully open or close; water passing efficiency of the valve is improved.

Description

technical field [0001] The invention relates to the field of diaphragm valves, in particular to a diaphragm valve opened by zero gauge pressure. Background technique [0002] At present, the diaphragm valve is connected to the compression part with an elastic diaphragm, and the compression part is moved up and down by the valve stem. When the compression part rises, the diaphragm is lifted high to form a passage. Physically, the valve is closed. This valve is suitable for breaking and throttling. [0003] Diaphragm valves are mainly used in low-pressure water 1400kP operations. They are especially suitable for systems containing sand and other solid particles, especially for farmland irrigation. low efficiency. Contents of the invention [0004] The purpose of the present invention is to provide a diaphragm valve that opens with zero gauge pressure to solve the technical problem of low efficiency caused by incomplete opening of the diaphragm valve due to low water press...

Claims

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Application Information

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IPC IPC(8): F16K7/17
CPCF16K7/17
Inventor 张凡
Owner 新疆远达科技有限公司
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