FR2323937A1 - Resilient plug stop valve - deforms locally for stick-free seating with valve body - Google Patents

Resilient plug stop valve - deforms locally for stick-free seating with valve body

Info

Publication number
FR2323937A1
FR2323937A1 FR7527543A FR7527543A FR2323937A1 FR 2323937 A1 FR2323937 A1 FR 2323937A1 FR 7527543 A FR7527543 A FR 7527543A FR 7527543 A FR7527543 A FR 7527543A FR 2323937 A1 FR2323937 A1 FR 2323937A1
Authority
FR
France
Prior art keywords
plug
valve
stick
bore
stem
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7527543A
Other languages
French (fr)
Other versions
FR2323937B3 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEN IND Inc
Original Assignee
GEN IND Inc
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 GEN IND Inc filed Critical GEN IND Inc
Priority to FR7527543A priority Critical patent/FR2323937A1/en
Publication of FR2323937A1 publication Critical patent/FR2323937A1/en
Application granted granted Critical
Publication of FR2323937B3 publication Critical patent/FR2323937B3/fr
Granted legal-status Critical Current

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
    • F16K7/20—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with a compressible solid closure member
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/28—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with resilient valve members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

Under compression closure a self-sealing flexible plug is withheld from valve bore passage entry. Lateral expansion into the bore would grip the plug, to inhibit free opening and increase the plug's wear. An internally derived compression localizes lateral expansion to the bore perimeter. The valve stem (20) in a screwed body sleeve (29) carries the plug (28). The stem is end flanged inside the plug. Axial plug compression, between the inside flange and an outside thrust washer (32) ridges (39) urges the plug outwards. A stem nut (24) and spring (26) in the handwheel (22) adjust the ridge height.
FR7527543A 1975-09-09 1975-09-09 Resilient plug stop valve - deforms locally for stick-free seating with valve body Granted FR2323937A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7527543A FR2323937A1 (en) 1975-09-09 1975-09-09 Resilient plug stop valve - deforms locally for stick-free seating with valve body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7527543A FR2323937A1 (en) 1975-09-09 1975-09-09 Resilient plug stop valve - deforms locally for stick-free seating with valve body

Publications (2)

Publication Number Publication Date
FR2323937A1 true FR2323937A1 (en) 1977-04-08
FR2323937B3 FR2323937B3 (en) 1978-04-28

Family

ID=9159742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7527543A Granted FR2323937A1 (en) 1975-09-09 1975-09-09 Resilient plug stop valve - deforms locally for stick-free seating with valve body

Country Status (1)

Country Link
FR (1) FR2323937A1 (en)

Also Published As

Publication number Publication date
FR2323937B3 (en) 1978-04-28

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Legal Events

Date Code Title Description
ST Notification of lapse