GB646516A - Improvement in sealing or closure element for valves - Google Patents

Improvement in sealing or closure element for valves

Info

Publication number
GB646516A
GB646516A GB5739/48A GB573948A GB646516A GB 646516 A GB646516 A GB 646516A GB 5739/48 A GB5739/48 A GB 5739/48A GB 573948 A GB573948 A GB 573948A GB 646516 A GB646516 A GB 646516A
Authority
GB
United Kingdom
Prior art keywords
valves
improvement
sealing
closure element
closure
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.)
Expired
Application number
GB5739/48A
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.)
Parker Appliance Co
Original Assignee
Parker Appliance Co
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 Parker Appliance Co filed Critical Parker Appliance Co
Publication of GB646516A publication Critical patent/GB646516A/en
Expired 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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
    • F16K5/0457—Packings
    • F16K5/0478—Packings on the plug
    • 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
    • F16K3/02—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 flat sealing faces; Packings therefor
    • F16K3/04—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 flat sealing faces; Packings therefor with pivoted closure members
    • F16K3/06—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 flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
    • F16K3/08—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 flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
GB5739/48A 1943-07-27 1948-02-26 Improvement in sealing or closure element for valves Expired GB646516A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US646516XA 1943-07-27 1943-07-27

Publications (1)

Publication Number Publication Date
GB646516A true GB646516A (en) 1950-11-22

Family

ID=22057383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5739/48A Expired GB646516A (en) 1943-07-27 1948-02-26 Improvement in sealing or closure element for valves

Country Status (1)

Country Link
GB (1) GB646516A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653406A (en) * 1970-03-20 1972-04-04 Westinghouse Air Brake Co Brake cylinder pressure retaining valve
GB2201491A (en) * 1987-02-20 1988-09-01 Sotralentz Sa Slidevalve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653406A (en) * 1970-03-20 1972-04-04 Westinghouse Air Brake Co Brake cylinder pressure retaining valve
GB2201491A (en) * 1987-02-20 1988-09-01 Sotralentz Sa Slidevalve

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