GB2155592B - A parallel plug valve - Google Patents

A parallel plug valve

Info

Publication number
GB2155592B
GB2155592B GB08504639A GB8504639A GB2155592B GB 2155592 B GB2155592 B GB 2155592B GB 08504639 A GB08504639 A GB 08504639A GB 8504639 A GB8504639 A GB 8504639A GB 2155592 B GB2155592 B GB 2155592B
Authority
GB
United Kingdom
Prior art keywords
plug valve
parallel plug
parallel
valve
plug
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
GB08504639A
Other versions
GB8504639D0 (en
GB2155592A (en
Inventor
Rowley John Bircham
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.)
N H ENGINEERING Ltd
Original Assignee
N H ENGINEERING Ltd
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
Priority claimed from GB848404892A external-priority patent/GB8404892D0/en
Priority claimed from GB848415995A external-priority patent/GB8415995D0/en
Application filed by N H ENGINEERING Ltd filed Critical N H ENGINEERING Ltd
Publication of GB8504639D0 publication Critical patent/GB8504639D0/en
Publication of GB2155592A publication Critical patent/GB2155592A/en
Application granted granted Critical
Publication of GB2155592B publication Critical patent/GB2155592B/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
    • 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
    • F16K5/08—Details
    • F16K5/22—Features relating to lubrication
    • F16K5/225—Features relating to lubrication for plugs with cylindrical surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
GB08504639A 1984-02-24 1985-02-22 A parallel plug valve Expired GB2155592B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848404892A GB8404892D0 (en) 1984-02-24 1984-02-24 Parallel plug valve
GB848415995A GB8415995D0 (en) 1984-06-22 1984-06-22 Parallel plug valve

Publications (3)

Publication Number Publication Date
GB8504639D0 GB8504639D0 (en) 1985-03-27
GB2155592A GB2155592A (en) 1985-09-25
GB2155592B true GB2155592B (en) 1988-01-27

Family

ID=26287356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08504639A Expired GB2155592B (en) 1984-02-24 1985-02-22 A parallel plug valve

Country Status (1)

Country Link
GB (1) GB2155592B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB839645A (en) * 1956-09-24 1960-06-29 George Aaron Butler Rotary plug valves for high pressure fluid
GB884727A (en) * 1958-01-03 1961-12-13 Homestead Valve Mfg Co Lubricated rotary plug valve
US3412748A (en) * 1966-04-11 1968-11-26 Alexander S. Volpin Automatic sealant sealed valve with sealing groove purging means
US3414002A (en) * 1966-06-17 1968-12-03 Alexander S. Volpin Automatic two-way lubricant-sealed plug valve
US4450854A (en) * 1980-12-12 1984-05-29 Vapor Corporation Lubricated split plug valve
US4393893A (en) * 1980-12-12 1983-07-19 Vapor Corporation Lubricated split plug valve
IN159589B (en) * 1982-08-16 1987-05-30 Rockwell International Corp

Also Published As

Publication number Publication date
GB8504639D0 (en) 1985-03-27
GB2155592A (en) 1985-09-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee