SE424669B - Backventil - Google Patents

Backventil

Info

Publication number
SE424669B
SE424669B SE7900925A SE7900925A SE424669B SE 424669 B SE424669 B SE 424669B SE 7900925 A SE7900925 A SE 7900925A SE 7900925 A SE7900925 A SE 7900925A SE 424669 B SE424669 B SE 424669B
Authority
SE
Sweden
Prior art keywords
valve
bearing
flap
inspection hatch
openings
Prior art date
Application number
SE7900925A
Other languages
English (en)
Swedish (sv)
Other versions
SE7900925L (sv
Inventor
R Nilsson
Original Assignee
Evak Sanitaer Ab
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 Evak Sanitaer Ab filed Critical Evak Sanitaer Ab
Priority to SE7900925A priority Critical patent/SE424669B/sv
Priority to US06/114,773 priority patent/US4296772A/en
Priority to DE19803002597 priority patent/DE3002597A1/de
Priority to IT19563/80A priority patent/IT1130913B/it
Priority to JP1137980A priority patent/JPS55123059A/ja
Publication of SE7900925L publication Critical patent/SE7900925L/
Publication of SE424669B publication Critical patent/SE424669B/sv

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/006Pneumatic sewage disposal systems; accessories specially adapted therefore
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209Check valves or pivoted valves
    • F16K27/0227Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/5109Convertible
    • Y10T137/5153Reversible check
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/5109Convertible
    • Y10T137/5283Units interchangeable between alternate locations
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7837Direct response valves [i.e., check valve type]
    • Y10T137/7898Pivoted valves
    • Y10T137/7903Weight biased

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Check Valves (AREA)
  • Lift Valve (AREA)
SE7900925A 1979-02-02 1979-02-02 Backventil SE424669B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE7900925A SE424669B (sv) 1979-02-02 1979-02-02 Backventil
US06/114,773 US4296772A (en) 1979-02-02 1980-01-23 Non-return valve
DE19803002597 DE3002597A1 (de) 1979-02-02 1980-01-25 Rueckschlagventil
IT19563/80A IT1130913B (it) 1979-02-02 1980-01-30 Valvola di ritegno
JP1137980A JPS55123059A (en) 1979-02-02 1980-02-01 Check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7900925A SE424669B (sv) 1979-02-02 1979-02-02 Backventil

Publications (2)

Publication Number Publication Date
SE7900925L SE7900925L (sv) 1980-08-03
SE424669B true SE424669B (sv) 1982-08-02

Family

ID=20337183

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7900925A SE424669B (sv) 1979-02-02 1979-02-02 Backventil

Country Status (5)

Country Link
US (1) US4296772A (it)
JP (1) JPS55123059A (it)
DE (1) DE3002597A1 (it)
IT (1) IT1130913B (it)
SE (1) SE424669B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537213A (en) * 1984-08-27 1985-08-27 Molina Domingo F Double flapper check valve
JPH0112150Y2 (it) * 1985-11-06 1989-04-10
DE4302666A1 (de) * 1993-01-30 1994-08-04 Abb Management Ag Schnellschlussklappe
AT545U1 (de) * 1995-01-17 1995-12-27 Koller Rudolf Rueckschlagventil
US5671769A (en) * 1995-10-27 1997-09-30 H-Tech, Inc. Swing check valve and method for repairing same
US7444828B2 (en) * 2005-11-30 2008-11-04 Hoshizaki Denki Kabushiki Kaisha Ice discharging structure of ice making mechanism
CN103352999B (zh) * 2013-07-05 2015-05-06 莱芜钢铁集团泰东实业有限公司 一种用于钢渣热焖的防爆装置
DE102015206789A1 (de) * 2015-04-15 2016-10-20 Henkel Ag & Co. Kgaa Vorrichtung zum Applizieren einer haarkosmetischen Zubereitung
TWI658224B (zh) 2016-06-24 2019-05-01 美商亞根科技股份有限公司Dba克利米特 用於充氣/洩氣的閥
CN109139989A (zh) * 2018-09-28 2019-01-04 苏州丹顿机电有限公司 一种旋启式止回阀

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US793577A (en) * 1904-06-14 1905-06-27 Philip W Frank Reverse-valve.
US834784A (en) * 1906-02-15 1906-10-30 Joseph James Wilber Valve.
US2771901A (en) * 1953-04-13 1956-11-27 Normalair Ltd Non-return valves
US3687155A (en) * 1970-03-05 1972-08-29 Wheatley Co Charles Check valve

Also Published As

Publication number Publication date
JPS55123059A (en) 1980-09-22
DE3002597A1 (de) 1980-08-14
US4296772A (en) 1981-10-27
IT1130913B (it) 1986-06-18
SE7900925L (sv) 1980-08-03
IT8019563A0 (it) 1980-01-30

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