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GB2116678B - Ball valves - Google Patents

Ball valves

Info

Publication number
GB2116678B
GB2116678B GB08302756A GB8302756A GB2116678B GB 2116678 B GB2116678 B GB 2116678B GB 08302756 A GB08302756 A GB 08302756A GB 8302756 A GB8302756 A GB 8302756A GB 2116678 B GB2116678 B GB 2116678B
Authority
GB
United Kingdom
Prior art keywords
ball valves
valves
ball
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
GB08302756A
Other versions
GB2116678A (en
GB8302756D0 (en
Inventor
Seiji Fukuda
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 JP1524582U external-priority patent/JPS58118365U/en
Priority claimed from JP1745382A external-priority patent/JPS58137673A/en
Priority claimed from JP4546882U external-priority patent/JPS58148369U/en
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of GB8302756D0 publication Critical patent/GB8302756D0/en
Publication of GB2116678A publication Critical patent/GB2116678A/en
Application granted granted Critical
Publication of GB2116678B publication Critical patent/GB2116678B/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
    • F16K5/06—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 spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0673—Composite packings
    • 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
    • F16K5/06—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 spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0668—Single packings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
GB08302756A 1982-02-08 1983-02-01 Ball valves Expired GB2116678B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1524582U JPS58118365U (en) 1982-02-08 1982-02-08 ball valve
JP1745382A JPS58137673A (en) 1982-02-08 1982-02-08 Ball valve
JP4546882U JPS58148369U (en) 1982-03-30 1982-03-30 ball valve

Publications (3)

Publication Number Publication Date
GB8302756D0 GB8302756D0 (en) 1983-03-02
GB2116678A GB2116678A (en) 1983-09-28
GB2116678B true GB2116678B (en) 1986-04-30

Family

ID=27280933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08302756A Expired GB2116678B (en) 1982-02-08 1983-02-01 Ball valves

Country Status (2)

Country Link
DE (1) DE3303813A1 (en)
GB (1) GB2116678B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3744452A1 (en) * 1987-12-29 1989-07-13 Burgmann Dichtungswerk Feodor BALL VALVE
IT1244526B (en) * 1991-01-30 1994-07-15 Bonetti Cesare Spa BALL VALVE FOR FLUIDS WITH SEATS WITH STRATIFIED RINGS
DE9407286U1 (en) * 1994-05-02 1994-09-08 Chemat GmbH Armaturen für Industrie- und Nuklearanlagen, 77871 Renchen Ball valve combination with integrated automatic pressure relief

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989990A (en) * 1959-07-09 1961-06-27 Gen Dynamics Corp Valve
GB923413A (en) * 1960-03-04 1963-04-10 Jamesbury Corp Improvements in or relating to rotary spherical plug valves
US3488033A (en) * 1967-12-28 1970-01-06 Hills Mccanna Co Self-pressure relieving ball valve
US3698687A (en) * 1970-07-17 1972-10-17 Ktm Ind Inc Rotatory valve having one-piece seat construction
JPS4940821Y2 (en) * 1971-04-28 1974-11-09
JPS5535529B2 (en) * 1973-05-10 1980-09-13
CA1054126A (en) * 1976-06-07 1979-05-08 William E. Mcclurg Groove mounted resilient valve seat having a deformable lip
GB1582407A (en) * 1977-06-07 1981-01-07 Worcester Controls Uk Ltd Annular seals
GB2023773A (en) * 1978-06-21 1980-01-03 Weir Pacific Valves Ltd Seats for rotary ball valves
US4236691A (en) * 1978-11-29 1980-12-02 Jamesbury Corporation Ball valve to relieve cavity pressure
GB2062809B (en) * 1979-11-07 1984-05-10 Asahi Organic Chem Ind Ball valve assembly

Also Published As

Publication number Publication date
DE3303813A1 (en) 1983-08-18
GB2116678A (en) 1983-09-28
GB8302756D0 (en) 1983-03-02

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Legal Events

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