WO2005008108A3 - Extended stroke valve and diaphragm - Google Patents

Extended stroke valve and diaphragm Download PDF

Info

Publication number
WO2005008108A3
WO2005008108A3 PCT/US2004/022257 US2004022257W WO2005008108A3 WO 2005008108 A3 WO2005008108 A3 WO 2005008108A3 US 2004022257 W US2004022257 W US 2004022257W WO 2005008108 A3 WO2005008108 A3 WO 2005008108A3
Authority
WO
WIPO (PCT)
Prior art keywords
diaphragm
valve
extended
stroke
service life
Prior art date
Application number
PCT/US2004/022257
Other languages
French (fr)
Other versions
WO2005008108B1 (en
WO2005008108A2 (en
WO2005008108A8 (en
Inventor
John A Leys
Original Assignee
Entegris Inc
John A Leys
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Entegris Inc, John A Leys filed Critical Entegris Inc
Priority to JP2006518961A priority Critical patent/JP2007534893A/en
Priority to DE112004001268T priority patent/DE112004001268T5/en
Publication of WO2005008108A2 publication Critical patent/WO2005008108A2/en
Publication of WO2005008108A8 publication Critical patent/WO2005008108A8/en
Publication of WO2005008108A3 publication Critical patent/WO2005008108A3/en
Publication of WO2005008108B1 publication Critical patent/WO2005008108B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
    • F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
    • F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure

Abstract

An extended stroke poppet valve particularly suited for handling caustic fluids and having features enabling an extended service life for the valve. The valve includes a two part primary diaphragm assembly with a wetted diaphragm made from highly fatigue resistant fluoropolymer material, and a diaphragm backer made from high strength fluoropolymer material designed to withstand the high stress loads imposed by an extended valve stroke. The combination of these two layers in a single primary diaphragm assembly yields a highly durable, caustic chemical resistant, diaphragm capable of use in a long stroke poppet valve and having a relatively long service life.
PCT/US2004/022257 2003-07-11 2004-07-09 Extended stroke valve and diaphragm WO2005008108A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006518961A JP2007534893A (en) 2003-07-11 2004-07-09 Stretch stroke valve and diaphragm
DE112004001268T DE112004001268T5 (en) 2003-07-11 2004-07-09 Valve and diaphragm for long stroke

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US48630103P 2003-07-11 2003-07-11
US60/486,301 2003-07-11
US48695903P 2003-07-14 2003-07-14
US60/486,959 2003-07-14
US10/886,938 2004-07-08
US10/886,938 US7063304B2 (en) 2003-07-11 2004-07-08 Extended stroke valve and diaphragm

Publications (4)

Publication Number Publication Date
WO2005008108A2 WO2005008108A2 (en) 2005-01-27
WO2005008108A8 WO2005008108A8 (en) 2005-03-17
WO2005008108A3 true WO2005008108A3 (en) 2005-07-14
WO2005008108B1 WO2005008108B1 (en) 2005-09-29

Family

ID=33568630

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/022257 WO2005008108A2 (en) 2003-07-11 2004-07-09 Extended stroke valve and diaphragm

Country Status (4)

Country Link
US (1) US7063304B2 (en)
JP (1) JP2007534893A (en)
DE (1) DE112004001268T5 (en)
WO (1) WO2005008108A2 (en)

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Also Published As

Publication number Publication date
DE112004001268T5 (en) 2006-07-13
US7063304B2 (en) 2006-06-20
US20050006617A1 (en) 2005-01-13
JP2007534893A (en) 2007-11-29
WO2005008108B1 (en) 2005-09-29
WO2005008108A2 (en) 2005-01-27
WO2005008108A8 (en) 2005-03-17

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