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IT1088442B - Otturatore a cerniera per valvola di ritegno - Google Patents

Otturatore a cerniera per valvola di ritegno

Info

Publication number
IT1088442B
IT1088442B IT30587/77A IT3058777A IT1088442B IT 1088442 B IT1088442 B IT 1088442B IT 30587/77 A IT30587/77 A IT 30587/77A IT 3058777 A IT3058777 A IT 3058777A IT 1088442 B IT1088442 B IT 1088442B
Authority
IT
Italy
Prior art keywords
check valve
shutter
hinge
hinge shutter
check
Prior art date
Application number
IT30587/77A
Other languages
English (en)
Original Assignee
Wheatley Co
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 Wheatley Co filed Critical Wheatley Co
Application granted granted Critical
Publication of IT1088442B publication Critical patent/IT1088442B/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
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7866—Plural seating
    • Y10T137/7867—Sequential
    • Y10T137/7868—Resilient gasket
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7898—Pivoted valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
IT30587/77A 1976-12-13 1977-12-12 Otturatore a cerniera per valvola di ritegno IT1088442B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/749,924 US4090529A (en) 1976-12-13 1976-12-13 Clapper seal for check valves

Publications (1)

Publication Number Publication Date
IT1088442B true IT1088442B (it) 1985-06-10

Family

ID=25015792

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30587/77A IT1088442B (it) 1976-12-13 1977-12-12 Otturatore a cerniera per valvola di ritegno

Country Status (7)

Country Link
US (1) US4090529A (it)
JP (2) JPS5373619A (it)
CA (1) CA1080081A (it)
DE (1) DE2755543A1 (it)
FR (1) FR2373733A1 (it)
GB (1) GB1590885A (it)
IT (1) IT1088442B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854342A (en) * 1988-09-14 1989-08-08 Central Sprinkler Corporation Clapper seal for dry pipe valve
JP3118879B2 (ja) * 1991-06-27 2000-12-18 豊田合成株式会社 燃料キャップ
US7004194B2 (en) * 2004-04-14 2006-02-28 Spears Manufacturing Co. Check valve with pressure relief feature
JP2009072642A (ja) * 2009-01-16 2009-04-09 Senju Sprinkler Kk 流水検知装置およびスプリンクラー設備
CA2923302C (en) * 2013-09-04 2021-11-16 Charles BEAIR Rotatable valve assembly with plug seal
KR101523886B1 (ko) * 2014-11-28 2015-05-28 조시연 준비 작동식 밸브
WO2017031449A1 (en) * 2015-08-20 2017-02-23 Fmc Technologies, Inc. Flapper valve with improved flapper
US10125874B2 (en) 2016-10-24 2018-11-13 Flowserve Management Company Valves including multiple seats and related assemblies and methods
US11835144B2 (en) * 2021-07-20 2023-12-05 Smart Rs Inc. Valve for bypass conduit
US11879557B1 (en) 2022-08-26 2024-01-23 Spm Oil & Gas Inc. Clapper check valve assembly

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US828236A (en) * 1902-10-25 1906-08-07 Cons Car Heating Co Valve.
US733748A (en) * 1902-10-28 1903-07-14 George C Dallamore Sewer-gas and backwater trap and tide and flushing gate.
US1505958A (en) * 1921-08-11 1924-08-26 Samuel E Huntting Valve
US2482198A (en) * 1944-09-05 1949-09-20 Parker Appliance Co Valve structure
US2767735A (en) * 1951-10-24 1956-10-23 Dumont Aircraft Fitting Compan Valve device
US3075547A (en) * 1960-04-22 1963-01-29 Scaramucci Domer Swing check valve
US3331391A (en) * 1964-06-01 1967-07-18 Grinnell Corp Check valve clapper construction
JPS4810670U (it) * 1971-06-16 1973-02-06
JPS4843612U (it) * 1971-09-23 1973-06-06
US3817277A (en) * 1972-08-28 1974-06-18 Charles Wheatley Inc Wafer unit check valve
FR2216496B1 (it) * 1973-02-05 1977-06-10 Wheatley Inc Charles

Also Published As

Publication number Publication date
JPS5373619A (en) 1978-06-30
GB1590885A (en) 1981-06-10
FR2373733A1 (fr) 1978-07-07
JPS56151564U (it) 1981-11-13
US4090529A (en) 1978-05-23
FR2373733B1 (it) 1980-10-03
DE2755543A1 (de) 1978-06-15
CA1080081A (en) 1980-06-24

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