AU439927B2 - Seat assembly for ball valves - Google Patents

Seat assembly for ball valves

Info

Publication number
AU439927B2
AU439927B2 AU14227/70A AU1422770A AU439927B2 AU 439927 B2 AU439927 B2 AU 439927B2 AU 14227/70 A AU14227/70 A AU 14227/70A AU 1422770 A AU1422770 A AU 1422770A AU 439927 B2 AU439927 B2 AU 439927B2
Authority
AU
Australia
Prior art keywords
seat assembly
ball valves
valves
ball
seat
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
AU14227/70A
Other versions
AU1422770A (en
Inventor
Graham Francis Richards Cecil
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.)
BC Richards and Co Pty Ltd
Original Assignee
BC Richards and Co Pty 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
Application filed by BC Richards and Co Pty Ltd filed Critical BC Richards and Co Pty Ltd
Priority to AU14227/70A priority Critical patent/AU439927B2/en
Publication of AU1422770A publication Critical patent/AU1422770A/en
Application granted granted Critical
Publication of AU439927B2 publication Critical patent/AU439927B2/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
    • F16K5/0678—Composite packings in which only one of the components of the composite packing is contacting 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
    • F16K5/06—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
    • F16K5/0684—Packings on the plug

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
AU14227/70A 1970-03-26 1970-03-26 Seat assembly for ball valves Expired AU439927B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU14227/70A AU439927B2 (en) 1970-03-26 1970-03-26 Seat assembly for ball valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU14227/70A AU439927B2 (en) 1970-03-26 1970-03-26 Seat assembly for ball valves

Publications (2)

Publication Number Publication Date
AU1422770A AU1422770A (en) 1971-10-28
AU439927B2 true AU439927B2 (en) 1973-08-30

Family

ID=3704419

Family Applications (1)

Application Number Title Priority Date Filing Date
AU14227/70A Expired AU439927B2 (en) 1970-03-26 1970-03-26 Seat assembly for ball valves

Country Status (1)

Country Link
AU (1) AU439927B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078274A1 (en) * 1981-05-07 1983-05-11 Richards & Co B C Fire safe valve.
EP2492552A1 (en) * 2011-02-24 2012-08-29 Virgo Engineers, Inc. Ball valve having multiple moveable seats
FR3017177A1 (en) * 2014-01-31 2015-08-07 Systemes Moteurs ROTARY SPHERICAL BALL VALVE AND METHOD OF MANUFACTURING THE SAME

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984004794A1 (en) * 1983-05-31 1984-12-06 Richards & Co B C A valve seal suitable for cryogenic service

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078274A1 (en) * 1981-05-07 1983-05-11 Richards & Co B C Fire safe valve.
EP0078274A4 (en) * 1981-05-07 1983-08-24 Richards & Co B C Fire safe valve.
EP2492552A1 (en) * 2011-02-24 2012-08-29 Virgo Engineers, Inc. Ball valve having multiple moveable seats
US8646752B2 (en) 2011-02-24 2014-02-11 Virgo Engineers, Inc. Ball valve having multiple moveable seats
FR3017177A1 (en) * 2014-01-31 2015-08-07 Systemes Moteurs ROTARY SPHERICAL BALL VALVE AND METHOD OF MANUFACTURING THE SAME
EP2910826A3 (en) * 2014-01-31 2015-12-02 Systemes Moteurs Rotatable ball valve and method for manufacturing same

Also Published As

Publication number Publication date
AU1422770A (en) 1971-10-28

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