IT984780B - Valvola a sfera perfezionata - Google Patents

Valvola a sfera perfezionata

Info

Publication number
IT984780B
IT984780B IT1265873A IT1265873A IT984780B IT 984780 B IT984780 B IT 984780B IT 1265873 A IT1265873 A IT 1265873A IT 1265873 A IT1265873 A IT 1265873A IT 984780 B IT984780 B IT 984780B
Authority
IT
Italy
Prior art keywords
ball valve
improved ball
improved
valve
ball
Prior art date
Application number
IT1265873A
Other languages
English (en)
Original Assignee
Fip Formatura Inienzione Poli
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 Fip Formatura Inienzione Poli filed Critical Fip Formatura Inienzione Poli
Priority to IT1265873A priority Critical patent/IT984780B/it
Priority to GB1910574A priority patent/GB1401754A/en
Priority to BE144107A priority patent/BE814769A/xx
Priority to DE19742423599 priority patent/DE2423599A1/de
Priority to FR7417786A priority patent/FR2232712B1/fr
Priority to CH736574A priority patent/CH582843A5/xx
Priority to ES426889A priority patent/ES426889A1/es
Priority to AT479674A priority patent/AT341845B/de
Application granted granted Critical
Publication of IT984780B publication Critical patent/IT984780B/it

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
    • F16K5/0626—Easy mounting or dismounting means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
IT1265873A 1973-06-11 1973-06-11 Valvola a sfera perfezionata IT984780B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT1265873A IT984780B (it) 1973-06-11 1973-06-11 Valvola a sfera perfezionata
GB1910574A GB1401754A (en) 1973-06-11 1974-05-01 Ball valve
BE144107A BE814769A (fr) 1973-06-11 1974-05-09 Valve a obturateur spherique perfectionnee
DE19742423599 DE2423599A1 (de) 1973-06-11 1974-05-15 Kugelventil
FR7417786A FR2232712B1 (it) 1973-06-11 1974-05-22
CH736574A CH582843A5 (it) 1973-06-11 1974-05-29
ES426889A ES426889A1 (es) 1973-06-11 1974-06-03 Dispositivo de valvula de bola perfeccionado.
AT479674A AT341845B (de) 1973-06-11 1974-06-10 Kugelventil mit zylindrischem gehause

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1265873A IT984780B (it) 1973-06-11 1973-06-11 Valvola a sfera perfezionata

Publications (1)

Publication Number Publication Date
IT984780B true IT984780B (it) 1974-11-20

Family

ID=11142534

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1265873A IT984780B (it) 1973-06-11 1973-06-11 Valvola a sfera perfezionata

Country Status (8)

Country Link
AT (1) AT341845B (it)
BE (1) BE814769A (it)
CH (1) CH582843A5 (it)
DE (1) DE2423599A1 (it)
ES (1) ES426889A1 (it)
FR (1) FR2232712B1 (it)
GB (1) GB1401754A (it)
IT (1) IT984780B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101398092B (zh) 2008-10-28 2012-01-25 浙江华夏阀门有限公司 按等边三角截面法结构的球阀座和球阀

Also Published As

Publication number Publication date
ATA479674A (de) 1977-06-15
ES426889A1 (es) 1976-07-16
BE814769A (fr) 1974-09-02
GB1401754A (en) 1975-07-30
AT341845B (de) 1978-02-27
DE2423599A1 (de) 1975-01-02
FR2232712A1 (it) 1975-01-03
FR2232712B1 (it) 1981-05-29
CH582843A5 (it) 1976-12-15

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