GB201208314D0 - Roof outlet flow restrictor - Google Patents

Roof outlet flow restrictor

Info

Publication number
GB201208314D0
GB201208314D0 GBGB1208314.3A GB201208314A GB201208314D0 GB 201208314 D0 GB201208314 D0 GB 201208314D0 GB 201208314 A GB201208314 A GB 201208314A GB 201208314 D0 GB201208314 D0 GB 201208314D0
Authority
GB
United Kingdom
Prior art keywords
restrictor
roof
pipe
flow
water
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.)
Granted
Application number
GBGB1208314.3A
Other versions
GB2502515A (en
GB2502515B (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.)
Alumasc Group PLC
Original Assignee
Alumasc Group PLC
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 Alumasc Group PLC filed Critical Alumasc Group PLC
Priority to GB1208314.3A priority Critical patent/GB2502515B/en
Publication of GB201208314D0 publication Critical patent/GB201208314D0/en
Publication of GB2502515A publication Critical patent/GB2502515A/en
Application granted granted Critical
Publication of GB2502515B publication Critical patent/GB2502515B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D2013/0427—Drainage outlets, e.g. gullies with means for controlling the flow in the outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The restrictor 10 provides a predetermined reduced limited flow rate through an outlet at a given depth of water above the outlet. The restrictor is for fitting onto a discharge pipe or spigot 14 and in use and may have a flow control aperture which is smaller than the diameter of the pipe it is fitted to. The restrictor is preferably secured to the pipe by using a resilient sealing O ring 24 around the device. The device preferably includes a handle 28 for aiding removal. The device may include a ventilation pipe 54 to limit the effect of back pressure as water enters the restrictor. The restrictor may include a colour coded insert comprising the flow control aperture. The restrictor is preferably used in a blue roof, i.e. a roof which provides standing water storage by converting the roof into a flow attenuation tank and reduces flow thereby helping keep water on the roof.
GB1208314.3A 2012-05-11 2012-05-11 Roof outlet flow restrictor Active GB2502515B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1208314.3A GB2502515B (en) 2012-05-11 2012-05-11 Roof outlet flow restrictor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1208314.3A GB2502515B (en) 2012-05-11 2012-05-11 Roof outlet flow restrictor

Publications (3)

Publication Number Publication Date
GB201208314D0 true GB201208314D0 (en) 2012-06-27
GB2502515A GB2502515A (en) 2013-12-04
GB2502515B GB2502515B (en) 2017-10-11

Family

ID=46458691

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1208314.3A Active GB2502515B (en) 2012-05-11 2012-05-11 Roof outlet flow restrictor

Country Status (1)

Country Link
GB (1) GB2502515B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO343128B1 (en) 2016-08-23 2018-11-12 Protan As Apparatus for draining water from a flat roof or part of a flat roof structure with some slope, and use of such a device.
JP2023533252A (en) * 2020-07-09 2023-08-02 ファスト フロー リミテッド System and method for backflow prevention in vertical storm drain pipes with multiple side branches

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3321096A1 (en) * 1983-06-10 1984-12-13 H. Gilgen, Optima-Werke, 4104 Oberwil ARRANGEMENT FOR DAMAGING WATER AND FOR DRAINING THE AMOUNT OF WATER EXCEEDING A HEIGHT IN A VEGETATION SUPPORT LAYER
US5966884A (en) * 1998-01-09 1999-10-19 Olympic Manufacturing Group, Inc. Vented roof drain insert
FR2791722B1 (en) * 1999-04-01 2001-04-27 Pont A Mousson DEVICE FOR DRAINING RAINWATER WITH REGULATED FLOW
DE102012004754A1 (en) * 2012-03-07 2013-09-12 Wolfgang Vahlbrauk Method and device for roof drainage in the form of a main drainage and emergency drainage

Also Published As

Publication number Publication date
GB2502515A (en) 2013-12-04
GB2502515B (en) 2017-10-11

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