IT1110905B - BUTTERFLY VALVE FOR UNDERGROUND DUCTS - Google Patents

BUTTERFLY VALVE FOR UNDERGROUND DUCTS

Info

Publication number
IT1110905B
IT1110905B IT7919292A IT1929279A IT1110905B IT 1110905 B IT1110905 B IT 1110905B IT 7919292 A IT7919292 A IT 7919292A IT 1929279 A IT1929279 A IT 1929279A IT 1110905 B IT1110905 B IT 1110905B
Authority
IT
Italy
Prior art keywords
butterfly valve
underground ducts
ducts
underground
butterfly
Prior art date
Application number
IT7919292A
Other languages
Italian (it)
Other versions
IT7919292A0 (en
Original Assignee
Maezawa Kasei Kogyo Kk
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 Maezawa Kasei Kogyo Kk filed Critical Maezawa Kasei Kogyo Kk
Publication of IT7919292A0 publication Critical patent/IT7919292A0/en
Application granted granted Critical
Publication of IT1110905B publication Critical patent/IT1110905B/en

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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0218—Butterfly valves
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/748—Machines or parts thereof not otherwise provided for
    • B29L2031/7506—Valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Lift Valve (AREA)
IT7919292A 1978-06-26 1979-01-15 BUTTERFLY VALVE FOR UNDERGROUND DUCTS IT1110905B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978087693U JPS585167Y2 (en) 1978-06-26 1978-06-26 Valve box device

Publications (2)

Publication Number Publication Date
IT7919292A0 IT7919292A0 (en) 1979-01-15
IT1110905B true IT1110905B (en) 1986-01-13

Family

ID=13921999

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7919292A IT1110905B (en) 1978-06-26 1979-01-15 BUTTERFLY VALVE FOR UNDERGROUND DUCTS

Country Status (5)

Country Link
JP (1) JPS585167Y2 (en)
DE (1) DE2901475A1 (en)
FR (1) FR2429945B1 (en)
GB (1) GB2024373B (en)
IT (1) IT1110905B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8801691A (en) * 1987-04-10 1988-11-16 Bray Int Inc BUTTERFLY VALVE
JPH0746846Y2 (en) * 1989-04-10 1995-10-25 株式会社巴技術研究所 Butterfly valve mounting positioning device
DE4313751A1 (en) * 1993-04-27 1994-11-03 Vargus Ltd Tool Manufacturing Actuator for a rotatable closure piece of a valve
DE19820080B4 (en) * 1998-05-06 2005-07-07 Robert Bosch Gmbh Device for changing the free passage cross-section of a channel-shaped element
EP0957304A3 (en) * 1998-05-15 2000-02-23 Satchwell Control Systems Limited Coupling
DE10064976A1 (en) * 2000-12-23 2002-06-27 Ksb Ag Valve unit with connection adapter has casing itself in form of functional blocking valve
DE10156213A1 (en) * 2001-11-15 2003-06-05 Siemens Ag throttle body
DE10310212A1 (en) * 2003-03-08 2004-09-16 Mahle Filtersysteme Gmbh Butterfly valve assembly for air inlet manifold of vehicle engine, includes butterfly flap lying in closure plane close to planes of separation of casing components
DE60307783T2 (en) * 2003-03-27 2007-10-11 Mark Indigne stopcock
DE102012022231B4 (en) * 2012-11-14 2015-07-30 7iV Beteiligungsgesellschaft mbH Shut-off device for pipeline
FR3019614B1 (en) * 2014-04-08 2019-07-26 Valeo Systemes De Controle Moteur REINFORCED TUBULAR CONDUIT VALVE
FR3099222A1 (en) 2019-07-26 2021-01-29 Buracco Sas Advanced butterfly valve for conveying fluid under high pressure or extreme pressure

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1768432U (en) * 1958-03-22 1958-06-12 Pietro Fiorentini THROTTLE VALVE FOR PRESSURE LIQUIDS.
US3184214A (en) * 1962-01-18 1965-05-18 Ottis W King Cam operated valve
US3396938A (en) * 1965-08-07 1968-08-13 Maenaka Valve Works Co Ltd Valve actuating device
GB1193190A (en) * 1966-06-08 1970-05-28 Maenaka Valve Works Co Ltd Improvements in and relating to Butterfly Valves.
GB1378493A (en) * 1970-12-08 1974-12-27 Serck Industries Ltd Lined bodies for fluid control valves
FR2133488B1 (en) * 1971-04-14 1973-12-28 Nord Pas Calais Houilleres
DE2260484A1 (en) * 1971-12-14 1973-06-28 Young & Cunningham Newcast Jas FLOW VALVE
DE2330920A1 (en) * 1973-06-18 1975-01-09 Gewerk Keramchemie Butterfly valve for pipe system - handles corrosive liquids and gases
FR2327461A1 (en) * 1973-12-11 1977-05-06 Amri BUTTERFLY VALVES FOR PIPES WITH SMOOTH ENDS
CA1034106A (en) * 1974-07-22 1978-07-04 Avm Corporation Butterfly valve
CH594838A5 (en) * 1975-06-17 1978-01-31 Lorentis Ag
JPS5494632U (en) * 1977-12-17 1979-07-04

Also Published As

Publication number Publication date
FR2429945B1 (en) 1986-04-04
IT7919292A0 (en) 1979-01-15
GB2024373B (en) 1983-01-12
JPS585167Y2 (en) 1983-01-28
FR2429945A1 (en) 1980-01-25
JPS556556U (en) 1980-01-17
DE2901475A1 (en) 1980-01-17
GB2024373A (en) 1980-01-09

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