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IT208972Z2 - IMPROVED BALL VALVE FOR FLUID CONTROL EQUIPPED WITH A DEVICE THAT ENSURES SEALING IN THE EVENT OF FIRE AND SEATS OF PISTON MOVABLE SEAL IN TWO WAYS. - Google Patents

IMPROVED BALL VALVE FOR FLUID CONTROL EQUIPPED WITH A DEVICE THAT ENSURES SEALING IN THE EVENT OF FIRE AND SEATS OF PISTON MOVABLE SEAL IN TWO WAYS.

Info

Publication number
IT208972Z2
IT208972Z2 IT2142586U IT2142586U IT208972Z2 IT 208972 Z2 IT208972 Z2 IT 208972Z2 IT 2142586 U IT2142586 U IT 2142586U IT 2142586 U IT2142586 U IT 2142586U IT 208972 Z2 IT208972 Z2 IT 208972Z2
Authority
IT
Italy
Prior art keywords
seats
fire
event
ways
ball valve
Prior art date
Application number
IT2142586U
Other languages
Italian (it)
Other versions
IT8621425V0 (en
Inventor
Giuseppe Bianchi
Giancarlo Nicolini
Giuseppe Vignati
Original Assignee
Grove Spa
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 Grove Spa filed Critical Grove Spa
Priority to IT2142586U priority Critical patent/IT208972Z2/en
Publication of IT8621425V0 publication Critical patent/IT8621425V0/en
Priority to GB8707895A priority patent/GB2188709B/en
Application granted granted Critical
Publication of IT208972Z2 publication Critical patent/IT208972Z2/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
    • F16K5/08—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
    • F16K5/205—Sealing effected by the flowing medium
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
IT2142586U 1986-04-04 1986-04-04 IMPROVED BALL VALVE FOR FLUID CONTROL EQUIPPED WITH A DEVICE THAT ENSURES SEALING IN THE EVENT OF FIRE AND SEATS OF PISTON MOVABLE SEAL IN TWO WAYS. IT208972Z2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT2142586U IT208972Z2 (en) 1986-04-04 1986-04-04 IMPROVED BALL VALVE FOR FLUID CONTROL EQUIPPED WITH A DEVICE THAT ENSURES SEALING IN THE EVENT OF FIRE AND SEATS OF PISTON MOVABLE SEAL IN TWO WAYS.
GB8707895A GB2188709B (en) 1986-04-04 1987-04-02 Improved fluid-control ball valve with device to ensure tightness in case of fire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2142586U IT208972Z2 (en) 1986-04-04 1986-04-04 IMPROVED BALL VALVE FOR FLUID CONTROL EQUIPPED WITH A DEVICE THAT ENSURES SEALING IN THE EVENT OF FIRE AND SEATS OF PISTON MOVABLE SEAL IN TWO WAYS.

Publications (2)

Publication Number Publication Date
IT8621425V0 IT8621425V0 (en) 1986-04-04
IT208972Z2 true IT208972Z2 (en) 1988-08-29

Family

ID=11181597

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2142586U IT208972Z2 (en) 1986-04-04 1986-04-04 IMPROVED BALL VALVE FOR FLUID CONTROL EQUIPPED WITH A DEVICE THAT ENSURES SEALING IN THE EVENT OF FIRE AND SEATS OF PISTON MOVABLE SEAL IN TWO WAYS.

Country Status (2)

Country Link
GB (1) GB2188709B (en)
IT (1) IT208972Z2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1277580B1 (en) * 1995-09-14 1997-11-11 Nuovo Pignone Spa PERFECTED DEVICE FOR HANDLING THE SEATS OF A BALL VALVE
CN113503373B (en) * 2021-07-14 2023-06-27 永秀阀门有限公司 Quick connection ball valve

Also Published As

Publication number Publication date
GB2188709A (en) 1987-10-07
GB2188709B (en) 1990-07-11
IT8621425V0 (en) 1986-04-04
GB8707895D0 (en) 1987-05-07

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