GB9003608D0 - Ball valve incorporating double check valve - Google Patents

Ball valve incorporating double check valve

Info

Publication number
GB9003608D0
GB9003608D0 GB909003608A GB9003608A GB9003608D0 GB 9003608 D0 GB9003608 D0 GB 9003608D0 GB 909003608 A GB909003608 A GB 909003608A GB 9003608 A GB9003608 A GB 9003608A GB 9003608 D0 GB9003608 D0 GB 9003608D0
Authority
GB
United Kingdom
Prior art keywords
double check
valve
check valve
incorporating double
ball valve
Prior art date
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.)
Withdrawn
Application number
GB909003608A
Other versions
GB2233739A (en
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.)
Caleffi SpA
Original Assignee
Caleffi 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 Caleffi SpA filed Critical Caleffi SpA
Publication of GB9003608D0 publication Critical patent/GB9003608D0/en
Publication of GB2233739A publication Critical patent/GB2233739A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1083—Filling valves or arrangements for filling
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
    • F16K15/066—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Check Valves (AREA)
  • Taps Or Cocks (AREA)
GB9003608A 1989-07-04 1990-02-16 Ball valve incorporating double check valve Withdrawn GB2233739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2136089U IT216730Z2 (en) 1989-07-04 1989-07-04 BALL VALVE WITH DOUBLE INCORPORATED CHECK.

Publications (2)

Publication Number Publication Date
GB9003608D0 true GB9003608D0 (en) 1990-04-11
GB2233739A GB2233739A (en) 1991-01-16

Family

ID=11180667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9003608A Withdrawn GB2233739A (en) 1989-07-04 1990-02-16 Ball valve incorporating double check valve

Country Status (2)

Country Link
GB (1) GB2233739A (en)
IT (1) IT216730Z2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19632604A1 (en) * 1996-08-13 1998-02-19 Wilo Gmbh Filling device for hydraulic assembly
AU5654999A (en) * 1999-08-26 2001-04-17 Jorge Cesar Faraon-Chaul Huerta Multifunctional valve assembly for fluid flow regulation
US20040129913A1 (en) * 2003-01-07 2004-07-08 Leonard William D. Isolation valve with rotatable flange
EP1583919B1 (en) * 2003-01-07 2010-03-10 Itt Manufacturing Enterprises, Inc. Isolation valve with rotatable flange
US7445025B2 (en) 2006-03-13 2008-11-04 Itt Manufacturing Enterprises, Inc Combination valve
US9157643B2 (en) 2010-10-14 2015-10-13 Fimcim S.P.A. Conditioning plant
ITMI20120183A1 (en) * 2012-02-09 2013-08-10 Greiner Spa VALVE EQUIPPED WITH A BYPASS CHANNEL
US9234598B2 (en) 2014-05-08 2016-01-12 Saudi Arabian Oil Company System, method and apparatus for combined ball segment valve and check valve
EP2944884B1 (en) * 2014-05-14 2016-05-04 Airaga Rubinetterie S.P.A. Three-way ball valve
CN106321910B (en) * 2016-08-16 2020-02-28 雷蒙德(北京)科技股份有限公司 Purging valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB968165A (en) * 1963-02-05 1964-08-26 Crane Co Rotary spherical fluid control valve
US4566482A (en) * 1985-06-27 1986-01-28 Stunkard Gerald A Top entry trunnion ball valve

Also Published As

Publication number Publication date
GB2233739A (en) 1991-01-16
IT216730Z2 (en) 1991-09-19
IT8921360V0 (en) 1989-07-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)