GB2305712B - Non-return valve - Google Patents

Non-return valve

Info

Publication number
GB2305712B
GB2305712B GB9619052A GB9619052A GB2305712B GB 2305712 B GB2305712 B GB 2305712B GB 9619052 A GB9619052 A GB 9619052A GB 9619052 A GB9619052 A GB 9619052A GB 2305712 B GB2305712 B GB 2305712B
Authority
GB
United Kingdom
Prior art keywords
return valve
return
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.)
Expired - Lifetime
Application number
GB9619052A
Other versions
GB2305712A (en
GB9619052D0 (en
Inventor
John Francis Forge
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.)
G Forge
Original Assignee
G Forge
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 G Forge filed Critical G Forge
Publication of GB9619052D0 publication Critical patent/GB9619052D0/en
Publication of GB2305712A publication Critical patent/GB2305712A/en
Application granted granted Critical
Publication of GB2305712B publication Critical patent/GB2305712B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/02—Shut-off devices
    • E03F7/04—Valves for preventing return flow
    • 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
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
    • F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve

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)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
GB9619052A 1995-09-15 1996-09-12 Non-return valve Expired - Lifetime GB2305712B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9518972.6A GB9518972D0 (en) 1995-09-15 1995-09-15 Anti-flooding sewer valve

Publications (3)

Publication Number Publication Date
GB9619052D0 GB9619052D0 (en) 1996-10-23
GB2305712A GB2305712A (en) 1997-04-16
GB2305712B true GB2305712B (en) 1999-03-17

Family

ID=10780827

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9518972.6A Pending GB9518972D0 (en) 1995-09-15 1995-09-15 Anti-flooding sewer valve
GB9619052A Expired - Lifetime GB2305712B (en) 1995-09-15 1996-09-12 Non-return valve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9518972.6A Pending GB9518972D0 (en) 1995-09-15 1995-09-15 Anti-flooding sewer valve

Country Status (1)

Country Link
GB (2) GB9518972D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529653A (en) * 2019-09-09 2019-12-03 江苏碧涛环境科技有限公司 A kind of water level control selector valve and its application method

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2302714C (en) * 2000-03-24 2008-01-15 Gabe Coscarella Backflow valve
WO2003089819A1 (en) * 2002-04-15 2003-10-30 Jenara Enterprises Ltd. Exhaust gas control valve, apparatus and method of controlling exhaust gas flow
CN102535406B (en) * 2012-01-09 2013-10-30 长江水利委员会长江科学院 Pressure differential control type high-precision check valve equipment and application method
CN106439120B (en) * 2016-10-25 2018-08-28 巫智园 A kind of diversion check device
CN107314668A (en) * 2017-08-30 2017-11-03 安徽海螺川崎装备制造有限公司 A kind of lower ash bucket flap valve device for discharging of clinker line kiln hood sealing
CN109114273B (en) * 2018-09-28 2020-06-30 苏州丹顿机电有限公司 Self-locking valve for water cut-off
EP4070001A4 (en) * 2019-12-04 2023-12-13 Stormwell Inc. Rotary valve
CA3108218A1 (en) * 2021-02-05 2022-08-05 Canplas Industries Ltd. A normally open backwater prevention valve
US11536374B2 (en) * 2021-02-10 2022-12-27 David A Putnam Cleanout conduit valve assemblies and installations

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963041A (en) * 1974-02-27 1976-06-15 Mcgillis Engineering, Inc. Safety shutoff valve
GB2300246A (en) * 1995-03-23 1996-10-30 Valve Company Limited The A float valve for a slurry tank

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963041A (en) * 1974-02-27 1976-06-15 Mcgillis Engineering, Inc. Safety shutoff valve
GB2300246A (en) * 1995-03-23 1996-10-30 Valve Company Limited The A float valve for a slurry tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529653A (en) * 2019-09-09 2019-12-03 江苏碧涛环境科技有限公司 A kind of water level control selector valve and its application method

Also Published As

Publication number Publication date
GB2305712A (en) 1997-04-16
GB9518972D0 (en) 1995-11-15
GB9619052D0 (en) 1996-10-23

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20160911