NL181947B - VALVE WITH LEAKAGE PROTECTION. - Google Patents

VALVE WITH LEAKAGE PROTECTION.

Info

Publication number
NL181947B
NL181947B NLAANVRAGE8006542,A NL8006542A NL181947B NL 181947 B NL181947 B NL 181947B NL 8006542 A NL8006542 A NL 8006542A NL 181947 B NL181947 B NL 181947B
Authority
NL
Netherlands
Prior art keywords
valve
leakage protection
leakage
protection
Prior art date
Application number
NLAANVRAGE8006542,A
Other languages
Dutch (nl)
Other versions
NL8006542A (en
NL181947C (en
Original Assignee
Schleicher Leonhard
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 filed Critical Schleicher Leonhard
Publication of NL8006542A publication Critical patent/NL8006542A/en
Publication of NL181947B publication Critical patent/NL181947B/en
Application granted granted Critical
Publication of NL181947C publication Critical patent/NL181947C/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
    • 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)
NLAANVRAGE8006542,A 1979-12-01 1980-12-01 VALVE WITH LEAKAGE PROTECTION. NL181947C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792948534 DE2948534A1 (en) 1979-12-01 1979-12-01 BUTTERFLY VALVE WITH LEAKAGE PROTECTION IN PIPELINE SYSTEMS
DE2948534 1979-12-01

Publications (3)

Publication Number Publication Date
NL8006542A NL8006542A (en) 1981-07-01
NL181947B true NL181947B (en) 1987-07-01
NL181947C NL181947C (en) 1987-12-01

Family

ID=6087445

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8006542,A NL181947C (en) 1979-12-01 1980-12-01 VALVE WITH LEAKAGE PROTECTION.

Country Status (6)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634268B1 (en) * 1988-07-15 1990-11-16 Socla VALVE, CONTROL DEVICE FOR FLUID AND FLUID RETURN PROTECTION APPARATUS COMPRISING SAME
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 (en) * 1996-04-13 1997-09-04 Peter Dipl Ing Mette Double seated trap valve in pipe
DE19638931C1 (en) * 1996-06-22 1998-01-02 Peter Dipl Ing Mette Double-seated leak-sealed flap valve
GB9725990D0 (en) * 1997-12-09 1998-02-04 Alco Hi Tek Ltd Valve
DE69913261T2 (en) 1998-08-03 2004-10-07 Mitsubishi Heavy Ind Ltd Bypass valve for a gas turbine combustor
FR2841958A1 (en) * 2002-07-04 2004-01-09 Air Liquide Spherical valve isolating tap is housed in tap body having inlet and outlet connections, in open position valve axial bore allows passage of fluid and in closed position communicates with leak recovery
GB2403998A (en) * 2003-07-18 2005-01-19 Spirax Sarco Ltd Double isolating valve
ITBO20040124A1 (en) * 2004-03-01 2004-06-01 Vima Impianti S R L VALVE DEVICE
FR2915262B1 (en) 2007-04-18 2011-03-25 Verdelet A T N VALVE WITH MECHANICAL SEAL AND CORRESPONDING ASSEMBLY.
DE102008022435A1 (en) * 2008-05-07 2009-11-12 Karl Dungs Gmbh & Co. Kg Valve unit with two butterfly valves
DE102008051819A1 (en) 2008-07-31 2010-02-25 Gea Tuchenhagen Gmbh Apparatus for piping process plants in the food and beverage industry and method for operating a device
WO2009146825A1 (en) 2008-05-30 2009-12-10 Gea Tuchenhagen Gmbh Device for installing piping in process plants in the food and beverage industry
DE102008026149A1 (en) 2008-05-30 2009-12-03 Gea Tuchenhagen Gmbh Piping system for use in food- and beverage industries, has cylindrical receiving borehole formed with cylindrical seat surface, where borehole and seat surface are merged with each other in closed position in aligned manner
DE102008044772B3 (en) * 2008-08-28 2009-11-05 Gea Tuchenhagen Gmbh Rotary-check valve for protecting leakage of fluid in e.g. foodstuff industry, has rotary-shut-off valves controlling inlet opening using closing element e.g. seat disk, and outlet opening using another closing element
IT201800006040A1 (en) * 2018-06-05 2019-12-05 Valve device for the transfer of powdered products
CN111779882B (en) * 2019-01-28 2021-11-23 青岛开元阀门有限公司 Safety valve with protection architecture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE529170C (en) * 1931-07-09 Zimmermann & Jansen Gmbh Venting device for gate valve
US1332000A (en) * 1918-03-24 1920-02-24 Allis Chalmers Mfg Co Valve device
DE2229978A1 (en) * 1972-06-20 1974-01-10 Ahlborn E Ag ROTARY FLAP VALVE
DE2430030A1 (en) * 1974-06-22 1976-01-08 Otto Tuchenhagen Double-seat valve with leak monitoring chamber - has passages for chamber cleaning material supply and discharge
FR2304010A1 (en) * 1975-03-11 1976-10-08 Amri DOUBLE SAFETY ISOLATION VALVE
GB1532002A (en) * 1975-06-10 1978-11-15 Mather & Platt Ltd Fire extinguishing installation control valves
DE2847038C3 (en) * 1978-10-28 1984-06-28 Leonhard Schleicher Südmo-Armaturenfabrik GmbH, 7081 Riesbürg Flap-like shut-off element with leak protection in pipeline systems
DE2901207C2 (en) * 1979-01-13 1984-02-02 Kieselmann Gmbh, 7134 Knittlingen Shut-off device

Also Published As

Publication number Publication date
SE8008376L (en) 1981-06-02
IT1134508B (en) 1986-08-13
DK151498B (en) 1987-12-07
NL8006542A (en) 1981-07-01
GB2064730B (en) 1984-07-11
DE2948534A1 (en) 1981-07-16
NL181947C (en) 1987-12-01
DK506880A (en) 1981-06-02
DK151498C (en) 1988-05-30
GB2064730A (en) 1981-06-17
DE2948534C2 (en) 1988-05-11
IT8026313A0 (en) 1980-11-28
SE442332B (en) 1985-12-16

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
A85 Still pending on 85-01-01
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

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