IT8521474A0 - Metodo per verificare la funzionalita' di valvole di ritegno. - Google Patents

Metodo per verificare la funzionalita' di valvole di ritegno.

Info

Publication number
IT8521474A0
IT8521474A0 IT8521474A IT2147485A IT8521474A0 IT 8521474 A0 IT8521474 A0 IT 8521474A0 IT 8521474 A IT8521474 A IT 8521474A IT 2147485 A IT2147485 A IT 2147485A IT 8521474 A0 IT8521474 A0 IT 8521474A0
Authority
IT
Italy
Prior art keywords
verifying
functionality
check valves
valves
check
Prior art date
Application number
IT8521474A
Other languages
English (en)
Other versions
IT1185203B (it
Inventor
Robert Daniel Magee
Michael John Asztalos
Vuong Duc Trinh
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT8521474A0 publication Critical patent/IT8521474A0/it
Application granted granted Critical
Publication of IT1185203B publication Critical patent/IT1185203B/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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • 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
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • 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
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8225—Position or extent of motion indicator
    • Y10T137/8242—Electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
IT21474/85A 1984-07-16 1985-07-08 Metodo per verificar e la funzionalita' di valvole di ritegno IT1185203B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/631,285 US4618824A (en) 1984-07-16 1984-07-16 Method of testing the operability of check valves

Publications (2)

Publication Number Publication Date
IT8521474A0 true IT8521474A0 (it) 1985-07-08
IT1185203B IT1185203B (it) 1987-11-04

Family

ID=24530555

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21474/85A IT1185203B (it) 1984-07-16 1985-07-08 Metodo per verificar e la funzionalita' di valvole di ritegno

Country Status (4)

Country Link
US (1) US4618824A (it)
JP (1) JPS6138496A (it)
GB (1) GB2161903B (it)
IT (1) IT1185203B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154080A (en) * 1986-10-29 1992-10-13 Westinghouse Electric Corp. Integrated check valve testing system
US4777979A (en) * 1987-11-16 1988-10-18 Westinghouse Electric Corp. Position detector for clapper of non-return valve
US5086273A (en) * 1990-04-20 1992-02-04 Liberty Technology Center, Inc. A.C. electromagnetic system for determining position of an encased movable electrically conductive element
US5140263A (en) * 1990-04-20 1992-08-18 Liberty Technology Center, Inc. System for determining position of an internal, movable conductive element
US5234017A (en) * 1990-11-30 1993-08-10 Aeroquip Corporation Restrictor valve for a metered liquid dispensing system
US5193568A (en) * 1991-06-20 1993-03-16 Martin Marietta Energy Systems, Inc. Noninvasive valve monitor using alternating electromagnetic field
US5236011A (en) * 1991-06-20 1993-08-17 Martin Marietta Energy Systems, Inc. Noninvasive valve monitor using constant magnetic and/or DC electromagnetic field
DE4122726C1 (it) * 1991-07-05 1992-07-02 Samson Ag, 6000 Frankfurt, De
US5941278A (en) * 1996-04-19 1999-08-24 General Electric Company Check valve
DE102008011273A1 (de) * 2008-02-26 2009-08-27 Wilo Ag Rückschlagventil mit Wegsensor
ITVI20110151A1 (it) * 2011-06-09 2012-12-10 Tyco Valves & Controls S R L Valvole di non ritorno e sistemi e metodi di operazione delle stesse
ITVI20110312A1 (it) * 2011-12-02 2013-06-03 Tyco Valves And Controls Italia S R L Valvola di non ritorno sottomarina a manutenzione rapida
US9463971B2 (en) 2012-02-21 2016-10-11 Opw Fueling Containment Systems, Inc. Testable overfill prevention valve
TW201531434A (zh) 2014-01-03 2015-08-16 Franklin Fueling Systems Inc 具有遠端測試功能之過量充塡防止閥
CN107091369B (zh) * 2017-05-10 2023-06-30 宁波兴茂电子科技有限公司 一种先导阀流量特性测试装置及其使用方法
US10914412B2 (en) 2018-06-28 2021-02-09 Watts Regulator Co. Backflow prevention assembly having a variable lay-length and orientation
EP3705866B1 (en) 2019-03-08 2023-09-20 WATTS INDUSTRIES ITALIA S.r.l. Differential pressure sensor with magnetic dial
US11795666B2 (en) 2019-05-08 2023-10-24 Watts Regulator Co. Wireless communication system within a mechanical room
US11815424B2 (en) 2019-05-08 2023-11-14 Watts Regulator Co. Backflow prevention system test cock with a fluid sensor
EP3748210B1 (de) * 2019-06-07 2023-01-04 Focus-On V.O.F. Absperrorgan für ein fluid
US11098821B1 (en) * 2019-10-10 2021-08-24 Cantex International, Inc. Flapper valve
EP3835494A1 (en) 2019-12-10 2021-06-16 Watts Regulator Co. System for monitoring backflow preventer condition
US11585076B2 (en) 2020-01-24 2023-02-21 Watts Regulator Co. Apparatus and method for valve cartridge extraction
US11261979B2 (en) * 2020-02-15 2022-03-01 Fmc Technologies, Inc. Check valve pivot pin retainer seal
US11719352B2 (en) 2020-08-17 2023-08-08 Watts Regulator Co. Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud
US11773992B2 (en) 2020-08-17 2023-10-03 Watts Regulator Co. Backflow prevention assembly with a linkage
US11739507B2 (en) 2020-12-09 2023-08-29 Watts Regulator Co. Test cock with integrated extraction tool
USD1021000S1 (en) 2021-08-17 2024-04-02 Watts Regulator Co. Valve assembly and body for same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012177A (en) * 1957-02-08 1961-12-05 Harry T Mortimer Magnetic position sensing device
US3355728A (en) * 1964-06-23 1967-11-28 Factory Mutual Res Corp Valve structure and fire protection sprinkler system including same
US3500365A (en) * 1968-11-12 1970-03-10 Charles J Cain Apparatus for remotely determining the angular orientation,speed,and/or direction of rotation of objects
US3602254A (en) * 1970-01-30 1971-08-31 Pratt Co Henry Valve position indicating system
US3633615A (en) * 1970-03-18 1972-01-11 Sun Oil Co Delaware Control system
US3621870A (en) * 1970-07-31 1971-11-23 Ricor Ltd Vacuum device including valve and service coupling therefor
US3906469A (en) * 1973-06-12 1975-09-16 Combustion Eng Magnetic-electric position sensor
US3905391A (en) * 1973-11-19 1975-09-16 Melnick Irving Magnetic flap valve
US4353390A (en) * 1979-12-06 1982-10-12 Anchor/Darling Valve Company Swing check valve with internally balanced disc

Also Published As

Publication number Publication date
JPH0572973B2 (it) 1993-10-13
US4618824A (en) 1986-10-21
GB8516963D0 (en) 1985-08-07
JPS6138496A (ja) 1986-02-24
IT1185203B (it) 1987-11-04
GB2161903A (en) 1986-01-22
GB2161903B (en) 1987-12-31

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