DE3232565C2 - - Google Patents

Info

Publication number
DE3232565C2
DE3232565C2 DE3232565A DE3232565A DE3232565C2 DE 3232565 C2 DE3232565 C2 DE 3232565C2 DE 3232565 A DE3232565 A DE 3232565A DE 3232565 A DE3232565 A DE 3232565A DE 3232565 C2 DE3232565 C2 DE 3232565C2
Authority
DE
Germany
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
DE3232565A
Other languages
German (de)
Other versions
DE3232565A1 (en
Inventor
Costantino Florenz/Firenze It Vinciguerra
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.)
Nuovo Pignone SpA
Original Assignee
Nuovo Pignone 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 Nuovo Pignone SpA filed Critical Nuovo Pignone SpA
Publication of DE3232565A1 publication Critical patent/DE3232565A1/en
Application granted granted Critical
Publication of DE3232565C2 publication Critical patent/DE3232565C2/de
Granted 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
DE19823232565 1981-09-02 1982-09-01 RING SEAL FOR A SHUT-OFF BALL VALVE Granted DE3232565A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23730/81A IT1138189B (en) 1981-09-02 1981-09-02 RING SEAL FOR INTERCEPTION BALL VALVE

Publications (2)

Publication Number Publication Date
DE3232565A1 DE3232565A1 (en) 1983-03-17
DE3232565C2 true DE3232565C2 (en) 1987-05-14

Family

ID=11209506

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823232565 Granted DE3232565A1 (en) 1981-09-02 1982-09-01 RING SEAL FOR A SHUT-OFF BALL VALVE

Country Status (8)

Country Link
JP (2) JPS5846270A (en)
CA (1) CA1192889A (en)
CH (1) CH651641A5 (en)
DE (1) DE3232565A1 (en)
FR (1) FR2512158A1 (en)
GB (1) GB2105010A (en)
IT (1) IT1138189B (en)
SE (1) SE448908B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8305603D0 (en) * 1983-03-01 1983-03-30 Marwin Controls Ltd Fluid-pressure control valves
JPS59147962U (en) * 1983-03-23 1984-10-03 株式会社神戸製鋼所 Ball valve sealing mechanism
DE3715456A1 (en) * 1987-05-08 1988-11-24 Burgmann Dichtungswerk Feodor BALL VALVE
JP4812091B2 (en) * 2006-02-28 2011-11-09 株式会社キッツ Ball valve
CN101398093B (en) 2008-10-28 2012-03-21 浙江华夏阀门有限公司 Dual ring lever shoulder seal and independence dual valve lever seal
EP2280204A1 (en) 2009-07-31 2011-02-02 Valbart S.r.l. Trunnion-mounted ball valve with a flexible valve seat
EP2478275B1 (en) * 2009-09-17 2015-06-10 Gasket International S.p.A. Seal system for industrial valves, particularly for ball valves, and valve comprising said system
US9982789B2 (en) 2009-12-07 2018-05-29 Cameron International Corporation Self-relieving ball valve seat
US8733733B2 (en) 2010-04-30 2014-05-27 Fisher Controls International Llc Sleeve seal assembly and rotary valve having sleeve seal assembly
US9777841B2 (en) 2011-01-03 2017-10-03 Cameron International Corporation Trunnion ball valve seat with V-section spring
US9657848B2 (en) * 2011-01-03 2017-05-23 Cameron International Corporation Trunnion ball valve with interchangeable and replaceable seat insert
WO2013021238A1 (en) * 2011-08-08 2013-02-14 Gasket International S.P.A. Sealing system for industrial valves, particularly for ball valves, and valve comprising said system
DK177971B1 (en) * 2013-06-20 2015-02-09 Broen As Spring gasket for valve housing
CA2842354A1 (en) * 2014-02-11 2015-08-11 Charles Lo Cicero Delta ring seal for ball valve seat
JP6432433B2 (en) 2014-07-07 2018-12-05 株式会社デンソー Valve device
JP6668780B2 (en) * 2016-01-26 2020-03-18 アイシン精機株式会社 Refrigerant control valve device
CA3018562A1 (en) * 2016-03-22 2017-09-28 Guide Valve Limited Ball valve seat with triple seal
EP3739246B1 (en) * 2018-01-10 2023-02-15 Asahi Yukizai Corporation Butterfly valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1452769A (en) * 1965-07-30 1966-09-16 Robinetterie S A J Soc D Further development of ball valves
US3508738A (en) * 1966-05-02 1970-04-28 Acf Ind Inc Valve
US3575431A (en) * 1968-08-19 1971-04-20 Grove Valve & Regulator Co Seal assembly
US3960363A (en) * 1973-06-21 1976-06-01 International Telephone And Telegraph Corporation Ball valve

Also Published As

Publication number Publication date
JPS6182181U (en) 1986-05-31
SE8204986D0 (en) 1982-09-01
FR2512158B1 (en) 1985-03-08
FR2512158A1 (en) 1983-03-04
DE3232565A1 (en) 1983-03-17
SE448908B (en) 1987-03-23
IT8123730A0 (en) 1981-09-02
SE8204986L (en) 1983-03-03
CA1192889A (en) 1985-09-03
IT1138189B (en) 1986-09-17
GB2105010A (en) 1983-03-16
CH651641A5 (en) 1985-09-30
JPS5846270A (en) 1983-03-17

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: ZUMSTEIN SEN., F., DR. ASSMANN, E., DIPL.-CHEM. DR

D2 Grant after examination
8364 No opposition during term of opposition