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Fully drainable weir valve

One valve body, all technologies, applied in the field of fully drainable weir valves, which can solve problems such as leakage

Inactive Publication Date: 2005-08-10
ENTEGRIS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the warping and creeping described, the tolerances are affected especially at the weir section and thus leakage is possible

Method used

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  • Fully drainable weir valve
  • Fully drainable weir valve
  • Fully drainable weir valve

Examples

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Embodiment Construction

[0035] According to the weir type diaphragm valve 20 of the present invention such as figure 1 , 2 , 3 shown. The valve generally includes a valve upper portion 22, a valve lower portion 24, a bracket support frame 26 and a fixed bracket 28. Such as figure 1 As shown in the assembly drawing, a plurality of fasteners 30 are used to fix the upper part 12, the lower part 14, the bracket 28 and the bracket fixing member 26. In addition, the inner frame support member 32 can be used to increase the rigidity of the valve, which is usually made of plastic. It should be understood that the terms valve upper part 22 and valve lower part 24 are used for ease of description, and the valve of the present invention is not limited to the valve 20 positioned so that the valve upper part 22 must be perpendicular to the ground above the valve lower part 24. In fact, the preferred operating position of the valve may include positioning the upper valve portion 22 substantially on the side of the l...

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PUM

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Abstract

A fully draining valve (20) including an upper valve portion (22) and a lower valve portion (24).

Description

[0001] This application claims the priority of a US provisional patent application entitled Fully Drainable Weir Valve, filed on March 18, 2002, serial number 60 / 365,492, which application is incorporated herein by reference. Technical field [0002] The present invention relates to a valve, in particular to a plastic diaphragm valve with a weir type supporting surface. Background technique [0003] Diaphragm valves provide excellent sealing and isolation properties to control the fluid and prevent the controlled fluid from moving into or out of the valve's mechanism. Diaphragm valves use elastic diaphragms and valve shoulders to engage the valve seat and prevent fluid from flowing through the valve seat. A weir diaphragm valve is a valve that uses an elastic diaphragm that is engaged with the weir to control the overflow of fluid over the weir. The diaphragm can be controllably raised and sealed against the weir to selectively allow fluid to flow through the valve. [0004] Weir ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K7/12F16K11/02F16K27/00
CPCY10T137/0491Y10T137/60F16K7/126F16K11/022Y10T137/4245F16K7/17F16K7/12
Inventor J·J·麦肯兹
Owner ENTEGRIS INC
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