IT1232458B - Valvola a sfera con anello di arresto bidirezionale - Google Patents

Valvola a sfera con anello di arresto bidirezionale

Info

Publication number
IT1232458B
IT1232458B IT8912407A IT1240789A IT1232458B IT 1232458 B IT1232458 B IT 1232458B IT 8912407 A IT8912407 A IT 8912407A IT 1240789 A IT1240789 A IT 1240789A IT 1232458 B IT1232458 B IT 1232458B
Authority
IT
Italy
Prior art keywords
ball valve
stop ring
bidirectional stop
bidirectional
ring
Prior art date
Application number
IT8912407A
Other languages
English (en)
Other versions
IT8912407A0 (it
Inventor
Catanzano Andrea
Tropea Gian Luca
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 IT8912407A priority Critical patent/IT1232458B/it
Publication of IT8912407A0 publication Critical patent/IT8912407A0/it
Priority to EP90830007A priority patent/EP0378520B1/en
Priority to DE69021401T priority patent/DE69021401T2/de
Application granted granted Critical
Publication of IT1232458B publication Critical patent/IT1232458B/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
    • F16K5/08—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
  • Valve Housings (AREA)
IT8912407A 1989-01-13 1989-01-13 Valvola a sfera con anello di arresto bidirezionale IT1232458B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT8912407A IT1232458B (it) 1989-01-13 1989-01-13 Valvola a sfera con anello di arresto bidirezionale
EP90830007A EP0378520B1 (en) 1989-01-13 1990-01-05 Ball valve with bi-directional lock ring
DE69021401T DE69021401T2 (de) 1989-01-13 1990-01-05 Kugelventil mit in zwei Richtungen wirkendem Feststellring.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8912407A IT1232458B (it) 1989-01-13 1989-01-13 Valvola a sfera con anello di arresto bidirezionale

Publications (2)

Publication Number Publication Date
IT8912407A0 IT8912407A0 (it) 1989-01-13
IT1232458B true IT1232458B (it) 1992-02-17

Family

ID=11139805

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8912407A IT1232458B (it) 1989-01-13 1989-01-13 Valvola a sfera con anello di arresto bidirezionale

Country Status (3)

Country Link
EP (1) EP0378520B1 (it)
DE (1) DE69021401T2 (it)
IT (1) IT1232458B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9000772A (nl) * 1990-04-02 1991-11-01 Nefit Nv Kogelkraan.
CN103711935B (zh) * 2012-10-05 2017-03-29 上海神通企业发展有限公司 一种轨道球阀阀座结构
US11131404B2 (en) 2015-11-16 2021-09-28 Hayward Industries, Inc. Ball valve
IT201900024129A1 (it) * 2019-12-16 2021-06-16 Petrolvalves S P A Valvola con otturatore mobile

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894718A (en) * 1973-10-19 1975-07-15 Whitey Research Tool Co Ball valve
EP0051993A1 (en) * 1980-11-10 1982-05-19 Nibco Inc. Blocked ball valve
DE3321819C1 (de) * 1983-06-16 1984-07-26 Werner Dipl.-Ing. 3167 Burgdorf Hartmann Hahn mit kugelfoermigem Kueken
IT8315261V0 (it) * 1983-10-04 1983-10-04 Fip Formatura Inienzione Poli Valvola a sfera con anello di fermo
CH666103A5 (de) * 1985-05-13 1988-06-30 Fischer Ag Georg Absperrhahn mit kugelfoermigem kueken.
US4684105A (en) * 1985-11-21 1987-08-04 Haas Ii Carroll J Ball valve

Also Published As

Publication number Publication date
EP0378520B1 (en) 1995-08-09
DE69021401D1 (de) 1995-09-14
DE69021401T2 (de) 1996-02-01
EP0378520A1 (en) 1990-07-18
IT8912407A0 (it) 1989-01-13

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990129