FR1278550A - Improvements to ball valves - Google Patents

Improvements to ball valves

Info

Publication number
FR1278550A
FR1278550A FR851308A FR851308A FR1278550A FR 1278550 A FR1278550 A FR 1278550A FR 851308 A FR851308 A FR 851308A FR 851308 A FR851308 A FR 851308A FR 1278550 A FR1278550 A FR 1278550A
Authority
FR
France
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
FR851308A
Other languages
French (fr)
Inventor
Luigi Villa
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 filed Critical
Application granted granted Critical
Publication of FR1278550A publication Critical patent/FR1278550A/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
    • F16K5/0626—Easy mounting or dismounting means
    • F16K5/0636—Easy mounting or dismounting means the spherical plug being insertable from the top of the housing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR851308A 1960-02-15 1961-02-01 Improvements to ball valves Expired FR1278550A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8123260 1960-02-15

Publications (1)

Publication Number Publication Date
FR1278550A true FR1278550A (en) 1961-12-08

Family

ID=32321399

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851308A Expired FR1278550A (en) 1960-02-15 1961-02-01 Improvements to ball valves

Country Status (1)

Country Link
FR (1) FR1278550A (en)

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