IT1155779B - Gruppo valvola a farfalla - Google Patents

Gruppo valvola a farfalla

Info

Publication number
IT1155779B
IT1155779B IT4772178A IT4772178A IT1155779B IT 1155779 B IT1155779 B IT 1155779B IT 4772178 A IT4772178 A IT 4772178A IT 4772178 A IT4772178 A IT 4772178A IT 1155779 B IT1155779 B IT 1155779B
Authority
IT
Italy
Prior art keywords
butterfly valve
valve group
group
butterfly
valve
Prior art date
Application number
IT4772178A
Other languages
English (en)
Other versions
IT7847721A0 (it
Inventor
Ninomiya Youichi
Ogawa Hirotoshi
Ueda Tomoyuchi
Machida Masataka
Original Assignee
Asahi Organic Chem Ind
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
Priority claimed from JP3607777A external-priority patent/JPS53122929A/ja
Priority claimed from JP52044121A external-priority patent/JPS5843634B2/ja
Application filed by Asahi Organic Chem Ind filed Critical Asahi Organic Chem Ind
Publication of IT7847721A0 publication Critical patent/IT7847721A0/it
Application granted granted Critical
Publication of IT1155779B publication Critical patent/IT1155779B/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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
    • F16K1/2265—Shaping or arrangements of the sealing the sealing being arranged on the valve seat with a channel- or U-shaped seal covering a central body portion
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2268—Sealing means for the axis of rotation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/7036—Jacketed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
IT4772178A 1977-04-01 1978-01-20 Gruppo valvola a farfalla IT1155779B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3607777A JPS53122929A (en) 1977-04-01 1977-04-01 Butterfly form valve
JP52044121A JPS5843634B2 (ja) 1977-04-19 1977-04-19 蝶形弁

Publications (2)

Publication Number Publication Date
IT7847721A0 IT7847721A0 (it) 1978-01-20
IT1155779B true IT1155779B (it) 1987-01-28

Family

ID=26375105

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4772178A IT1155779B (it) 1977-04-01 1978-01-20 Gruppo valvola a farfalla

Country Status (10)

Country Link
US (1) US4266754A (it)
AU (1) AU517628B2 (it)
CA (1) CA1085803A (it)
CH (1) CH621397A5 (it)
DE (1) DE2801049C2 (it)
ES (1) ES466092A1 (it)
FR (1) FR2385957A1 (it)
GB (1) GB1544797A (it)
IT (1) IT1155779B (it)
SE (1) SE433115B (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT368614B (de) * 1981-01-14 1982-10-25 Voest Alpine Ag Absperrklappe
US4598728A (en) * 1981-06-25 1986-07-08 Ralet Daniel A C Plugcocks
DE3203374C2 (de) * 1982-02-02 1987-04-30 Mark Controls Corp., 5568 Daun Sitzring für ein Klappenventil
US4516597A (en) * 1983-04-01 1985-05-14 Asahi Yukizai Kogyo Co., Ltd. Anticorrosive butterfly valve
DE3424924A1 (de) * 1984-07-06 1986-02-06 Günter 5600 Wuppertal Herberholz Absperrklappe fuer aggresive durchflussmedien
US4759530A (en) * 1984-11-14 1988-07-26 Neotecha Ag Stem and disc seal construction for butterfly valves
IT1234600B (it) * 1987-04-10 1992-05-25 Bray Int Inc Valvola a farfalla
DK168237B1 (da) * 1991-06-12 1994-02-28 Haakan Jeppsson Drejespjældventil af mellemflangetypen
AU668726B2 (en) * 1992-06-11 1996-05-16 F.P.J.S. Pty Ltd Improved butterfly valve
US6202983B1 (en) 1999-10-13 2001-03-20 Thomas A. Hartman Valve seal structured to prevent circumferential slippage
US6361051B1 (en) * 1999-11-08 2002-03-26 Eaton Coporation Face seal for barrel type water valve
US6494466B1 (en) 2000-04-20 2002-12-17 Thomas A. Hartman Valve seal construction with non-congruent side serrations
US7225825B1 (en) 2005-12-15 2007-06-05 Hartman Brian T Valve seal and method of installing a valve seal
US7758017B2 (en) * 2007-01-22 2010-07-20 Sure Seal, Inc. Butterfly valves and construction thereof
FR2922988B1 (fr) 2007-10-31 2012-10-12 Saint Gobain Performance Plast Assemblages de tuyaux
FR2922984B1 (fr) 2007-10-31 2013-09-27 Saint Gobain Performance Plast Vanne ayant un joint rigide
US8348236B2 (en) * 2007-10-31 2013-01-08 Saint-Gobain Performance Plastics Corporation Butterfly valve with a rigid seal
EP2224829A4 (en) * 2007-12-04 2011-05-04 Stonewick Inc FRAGRANT WICKER AND METHOD
US7887025B2 (en) * 2007-12-06 2011-02-15 Hartman Thomas A Ball valve housing seat and method of securing the same to a ball valve
DE102010042340A1 (de) * 2010-10-12 2012-04-12 Krones Aktiengesellschaft Klappendichtung für ein Scheibenventil
GB201116858D0 (en) * 2011-09-30 2011-11-09 Gt Group Ltd Improved butterfly valve
DE102012000257A1 (de) 2012-01-10 2013-07-11 Carl Freudenberg Kg Dichtung für ein Scheibenventil
US9989154B2 (en) 2013-07-30 2018-06-05 Hayward Industries, Inc. Butterfly valve handle
US9695947B2 (en) 2013-07-30 2017-07-04 Hayward Industries, Inc. Handle insert for valve
CN103438228B (zh) 2013-08-20 2015-09-09 山东莱德机械有限公司 自密封中线蝶阀
US10844962B2 (en) * 2015-10-07 2020-11-24 Fisher Controls International Llc Valve body insert apparatus and related methods
US10267424B2 (en) * 2016-02-12 2019-04-23 Mueller International, Llc Butterfly valve seat with seat cover
TWI832914B (zh) * 2019-10-21 2024-02-21 李相璇 蝶形閥、用於其之本體部、流體接觸部與圓盤及圓盤的製造方法
WO2022160161A1 (en) 2021-01-28 2022-08-04 Mueller International, Llc Bonded valve seat

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241806A (en) * 1963-04-02 1966-03-22 Keystone Valve Corp Disc valve having plastic layer on resilient seating surface
US3341170A (en) * 1964-03-25 1967-09-12 Fmc Corp Valve
US3425439A (en) * 1965-10-19 1969-02-04 Duriron Co Butterfly valve
US3473784A (en) * 1966-05-16 1969-10-21 Oil Capital Valve Co Resilient liner element for butterfly valves
US3420498A (en) * 1967-01-31 1969-01-07 Fmc Corp Butterfly valve seat
US3784157A (en) * 1972-05-15 1974-01-08 Fmc Corp Butterfly valve stem seal energizer
US3778028A (en) * 1972-08-02 1973-12-11 Dore Co John L Lined butterfly valve
US3837620A (en) * 1973-11-05 1974-09-24 Garlock Inc Butterfly valve having an improved stem seal
US4014511A (en) * 1976-03-01 1977-03-29 Tomoe Technical Research Company Butterfly valve
US4025050A (en) * 1976-03-24 1977-05-24 Tomoe Technical Research Company Butterfly valve
US4133513A (en) * 1976-10-26 1979-01-09 Celanese Corporation Butterfly valve assembly

Also Published As

Publication number Publication date
US4266754A (en) 1981-05-12
DE2801049A1 (de) 1978-10-19
FR2385957B1 (it) 1984-11-30
ES466092A1 (es) 1979-01-01
SE7800083L (sv) 1978-10-02
DE2801049C2 (de) 1985-10-03
AU3215578A (en) 1979-07-12
AU517628B2 (en) 1981-08-13
SE433115B (sv) 1984-05-07
FR2385957A1 (fr) 1978-10-27
IT7847721A0 (it) 1978-01-20
CH621397A5 (it) 1981-01-30
CA1085803A (en) 1980-09-16
GB1544797A (en) 1979-04-25

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940131