IT1134508B - Valvola a farfalla di blocco con protezione antiperdite in sistemi di convogliamento tubolari - Google Patents

Valvola a farfalla di blocco con protezione antiperdite in sistemi di convogliamento tubolari

Info

Publication number
IT1134508B
IT1134508B IT26313/80A IT2631380A IT1134508B IT 1134508 B IT1134508 B IT 1134508B IT 26313/80 A IT26313/80 A IT 26313/80A IT 2631380 A IT2631380 A IT 2631380A IT 1134508 B IT1134508 B IT 1134508B
Authority
IT
Italy
Prior art keywords
butterfly valve
conveying systems
loss protection
tubular conveying
lock butterfly
Prior art date
Application number
IT26313/80A
Other languages
English (en)
Italian (it)
Other versions
IT8026313A0 (it
Inventor
Stefan Zahrer
Original Assignee
Schleicher Leonhard Sudmo Arma
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 Schleicher Leonhard Sudmo Arma filed Critical Schleicher Leonhard Sudmo Arma
Publication of IT8026313A0 publication Critical patent/IT8026313A0/it
Application granted granted Critical
Publication of IT1134508B publication Critical patent/IT1134508B/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
    • F16K1/223—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 with a plurality of valve members
    • 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/44—Details of seats or valve members of double-seat valves
    • F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
    • F16K1/446—Details of seats or valve members of double-seat valves the seats being in series with additional cleaning or venting means between the two seats
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Multiple-Way Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Devices For Medical Bathing And Washing (AREA)
IT26313/80A 1979-12-01 1980-11-28 Valvola a farfalla di blocco con protezione antiperdite in sistemi di convogliamento tubolari IT1134508B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792948534 DE2948534A1 (de) 1979-12-01 1979-12-01 Absperrklappe mit leckagesicherung in rohrleitungssystemen

Publications (2)

Publication Number Publication Date
IT8026313A0 IT8026313A0 (it) 1980-11-28
IT1134508B true IT1134508B (it) 1986-08-13

Family

ID=6087445

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26313/80A IT1134508B (it) 1979-12-01 1980-11-28 Valvola a farfalla di blocco con protezione antiperdite in sistemi di convogliamento tubolari

Country Status (6)

Country Link
DE (1) DE2948534A1 (nl)
DK (1) DK151498C (nl)
GB (1) GB2064730B (nl)
IT (1) IT1134508B (nl)
NL (1) NL181947C (nl)
SE (1) SE442332B (nl)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634268B1 (fr) * 1988-07-15 1990-11-16 Socla Vanne, organe de commande pour fluide et appareil de protection contre les retours de fluide la comportant
US4846212A (en) * 1988-09-19 1989-07-11 Keystone International, Inc. Bleed valve assembly for double block and bleed system
US4846225A (en) * 1988-09-19 1989-07-11 Keystone International, Inc. Transmission assembly for use with double block and bleed system
GB2271164B (en) * 1992-08-22 1994-09-21 Oliver Valves Ltd Valve assembly
US5445248A (en) * 1994-03-07 1995-08-29 Jenara Enterprises Ltd. Exhaust brake
DE19624969C1 (de) * 1996-04-13 1997-09-04 Peter Dipl Ing Mette Doppelsitz-Klappenventil mit Leckagesicherung
DE19638931C1 (de) * 1996-06-22 1998-01-02 Peter Dipl Ing Mette Doppelsitz-Klappenventil mit Leckagesicherung
GB9725990D0 (en) * 1997-12-09 1998-02-04 Alco Hi Tek Ltd Valve
DE69913261T2 (de) 1998-08-03 2004-10-07 Mitsubishi Heavy Ind Ltd Umgehungsventil für eine Gasturbinenbrennkammer
FR2841958A1 (fr) * 2002-07-04 2004-01-09 Air Liquide Dispositif d'isolement sous forme de robinet a boisseau spherique
GB2403998A (en) * 2003-07-18 2005-01-19 Spirax Sarco Ltd Double isolating valve
ITBO20040124A1 (it) * 2004-03-01 2004-06-01 Vima Impianti S R L Dispositivo valvolare
FR2915262B1 (fr) 2007-04-18 2011-03-25 Verdelet A T N Vanne a garniture mecanique et ensemble correspondant.
DE102008022435A1 (de) * 2008-05-07 2009-11-12 Karl Dungs Gmbh & Co. Kg Ventilbaueinheit mit zwei Drehklappenventilen
DE102008051819A1 (de) 2008-07-31 2010-02-25 Gea Tuchenhagen Gmbh Vorrichtung zur Verrohrung von Prozessanlagen der Nahrungsmittel- und Getränkeindustrie und Verfahren zum Betrieb einer Vorrichtung
WO2009146825A1 (de) 2008-05-30 2009-12-10 Gea Tuchenhagen Gmbh Vorrichtung zur verrohrung von prozessanlagen der nahrungsmittel- und getränkeindustrie
DE102008026149A1 (de) 2008-05-30 2009-12-03 Gea Tuchenhagen Gmbh Verrohrungssystem für Prozessanlagen der Nahrungsmittel- und Getränkeindustrie
DE102008044772B3 (de) * 2008-08-28 2009-11-05 Gea Tuchenhagen Gmbh Dreh-Absperrventil mit Leckagesicherung
IT201800006040A1 (it) * 2018-06-05 2019-12-05 Dispositivo valvolare per il travaso di prodotti in polvere
CN111779882B (zh) * 2019-01-28 2021-11-23 青岛开元阀门有限公司 一种具有保护结构的安全阀门

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE529170C (de) * 1931-07-09 Zimmermann & Jansen Gmbh Entlueftungsvosrrichtung fuer Absperrschieber
US1332000A (en) * 1918-03-24 1920-02-24 Allis Chalmers Mfg Co Valve device
DE2229978A1 (de) * 1972-06-20 1974-01-10 Ahlborn E Ag Drehklappenventil
DE2430030A1 (de) * 1974-06-22 1976-01-08 Otto Tuchenhagen Doppelsitzventil mit leckkontrollraum
FR2304010A1 (fr) * 1975-03-11 1976-10-08 Amri Vanne d'isolement a double securite
GB1532002A (en) * 1975-06-10 1978-11-15 Mather & Platt Ltd Fire extinguishing installation control valves
DE2847038C3 (de) * 1978-10-28 1984-06-28 Leonhard Schleicher Südmo-Armaturenfabrik GmbH, 7081 Riesbürg Klappenartiges Absperrelement mit Leckagesicherung in Rohrleitungssystemen
DE2901207C2 (de) * 1979-01-13 1984-02-02 Kieselmann Gmbh, 7134 Knittlingen Absperrorgan

Also Published As

Publication number Publication date
SE8008376L (sv) 1981-06-02
DK151498B (da) 1987-12-07
NL8006542A (nl) 1981-07-01
GB2064730B (en) 1984-07-11
DE2948534A1 (de) 1981-07-16
NL181947C (nl) 1987-12-01
DK506880A (da) 1981-06-02
DK151498C (da) 1988-05-30
GB2064730A (en) 1981-06-17
DE2948534C2 (nl) 1988-05-11
IT8026313A0 (it) 1980-11-28
SE442332B (sv) 1985-12-16
NL181947B (nl) 1987-07-01

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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: 19931027