IT990210B - IMPROVEMENT IN BALL VALVES - Google Patents

IMPROVEMENT IN BALL VALVES

Info

Publication number
IT990210B
IT990210B IT5195373A IT5195373A IT990210B IT 990210 B IT990210 B IT 990210B IT 5195373 A IT5195373 A IT 5195373A IT 5195373 A IT5195373 A IT 5195373A IT 990210 B IT990210 B IT 990210B
Authority
IT
Italy
Prior art keywords
improvement
ball valves
valves
ball
Prior art date
Application number
IT5195373A
Other languages
Italian (it)
Original Assignee
Pipeline Equipment Co Epco
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 Pipeline Equipment Co Epco filed Critical Pipeline Equipment Co Epco
Application granted granted Critical
Publication of IT990210B publication Critical patent/IT990210B/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
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • 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
    • F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
IT5195373A 1972-08-23 1973-08-09 IMPROVEMENT IN BALL VALVES IT990210B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7230104A FR2212902A5 (en) 1972-08-23 1972-08-23

Publications (1)

Publication Number Publication Date
IT990210B true IT990210B (en) 1975-06-20

Family

ID=9103487

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5195373A IT990210B (en) 1972-08-23 1973-08-09 IMPROVEMENT IN BALL VALVES

Country Status (6)

Country Link
BE (1) BE803008A (en)
CA (1) CA992524A (en)
DE (1) DE2342069C3 (en)
ES (1) ES418129A1 (en)
FR (1) FR2212902A5 (en)
IT (1) IT990210B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3265483D1 (en) * 1982-01-18 1985-09-26 Hartmann Patentverwaltung Gmbh Ball valve
FR2551836B1 (en) * 1983-09-14 1986-02-07 Ind Valves Co Sa MULTI-FUNCTIONAL DEVICE FOR THE OPERATION OF INDUSTRIAL PIPES
DE3663184D1 (en) * 1986-01-02 1989-06-08 Hartmann Werner Valve with a spherical plug
DE3815893A1 (en) * 1988-05-10 1989-11-23 Borsig Gmbh BALL VALVE
DE4142626C2 (en) * 1991-12-21 1996-03-14 Adams Armaturen Metallic sealing ball valve
US5193573A (en) * 1992-06-15 1993-03-16 Chronister Clyde H Ball valve having replaceable seals under full service pressure
FR2786548B1 (en) * 1998-12-01 2001-01-26 Alstom Hydro SEALED LOCKING DEVICE FOR A SHUTTER AND SPHERICAL TAP EQUIPPED WITH SUCH A DEVICE
DE102006015173A1 (en) * 2006-03-30 2007-10-11 Viega Gmbh & Co. Kg Valve e.g. ball valve, has two seals sealing connection pieces opposite to separating body, and two sealing elements provided in seals, where one element has smaller elasticity than another sealing element, and rests against separating body
DE102007024625A1 (en) * 2007-05-24 2008-11-27 Michael Tappe Plastics material ball-valve, has valve ball sealed relative to housing via annular sealing elements
CN103557345B (en) 2007-05-24 2016-01-20 迈克尔·坦普 The valve ball that the plastics of ball valve are made

Also Published As

Publication number Publication date
FR2212902A5 (en) 1974-07-26
DE2342069C3 (en) 1978-10-12
BE803008A (en) 1974-01-30
ES418129A1 (en) 1976-04-01
DE2342069A1 (en) 1974-02-28
CA992524A (en) 1976-07-06
DE2342069B2 (en) 1978-02-09

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