EP0429292A1 - Bloc pour un compteur d'eau et un clapet d'arrêt - Google Patents

Bloc pour un compteur d'eau et un clapet d'arrêt Download PDF

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Publication number
EP0429292A1
EP0429292A1 EP90312620A EP90312620A EP0429292A1 EP 0429292 A1 EP0429292 A1 EP 0429292A1 EP 90312620 A EP90312620 A EP 90312620A EP 90312620 A EP90312620 A EP 90312620A EP 0429292 A1 EP0429292 A1 EP 0429292A1
Authority
EP
European Patent Office
Prior art keywords
block
pipe coupling
stopvalve
meter
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.)
Ceased
Application number
EP90312620A
Other languages
German (de)
English (en)
Inventor
David Anthony Edgerley
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.)
Fw Talbot & Co Ltd
Original Assignee
Fw Talbot & Co Ltd
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 Fw Talbot & Co Ltd filed Critical Fw Talbot & Co Ltd
Publication of EP0429292A1 publication Critical patent/EP0429292A1/fr
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems
    • E03B7/072—Arrangement of flowmeters

Definitions

  • the present invention relates in general to underground water stopvalve chamber systems, and in particular to a block for a water meter and stopvalve chamber system. It will however be appreciated that the invention is equally applicable to a stopvalve block which does not incorporate a water meter mounting.
  • the present invention has been devised to overcome the problem associated with the prior art systems and to enable an installer to complete his work more quickly and efficiently than has been possible in the past.
  • a block for a water meter and stopvalve comprising an inlet pipe coupling and an outlet pipe coupling communicating via a flow path through the block, wherein at least one of the inlet pipe coupling and the outlet pipe coupling is able to swing about an axis such that, in use, an external pipe, when orientated at any one of a variety of angles to the block, may be readily connected to the rotatable pipe coupling.
  • the or each pipe coupling is able to swing between a first position which, in use, is substantially horizontal and a second position which, in use, is substantially vertical.
  • This arrangement is preferred because in normal circumstances external pipework approaches the block either from below or from below and to one side of the block.
  • the pipe couplings are both preferably of the push-fit type and are attached to the remainder of the block by means of retaining rings.
  • the block includes a meter mount which is removable to obtain access to a non-return valve situated in the flow path within the block.
  • a meter mount which is removable to obtain access to a non-return valve situated in the flow path within the block.
  • the meter mount has a preferential lock mechanism to prevent removal of the meter mount before a meter mounted thereon has been removed.
  • the block includes a stopvalve seat which is adapted to receive a valve body including a valve plunger having a curved wall to direct, in use, the flow of water through the valve with minimal loss of water pressure.
  • a stopvalve seat which is adapted to receive a valve body including a valve plunger having a curved wall to direct, in use, the flow of water through the valve with minimal loss of water pressure.
  • the block of the present invention is formed from moulded plastics and is adapted to mate with a telescopic guard pipe. Further, in one embodiment of the invention the block is formed in two parts, and includes a number of seals to provide a water-tight tortuous flow path therethrough.
  • a water meter and stopvalve chamber system 1 comprises a surface box 2 incorporating a side flange 4 for transferring weight applied to the surface box 2 to the ground surrounding the chamber system, rather than to the remainder of the chamber system 1.
  • a telescopic guard pipe includes an inner tube 6 and an outer tube 8.
  • the inner tube 6 has ribs 10 on its outer surface which are engaged by an annular seal 12 between the inner tube 6 and the outer tube 8.
  • the seal 12 provides a friction fit between the inner tube 6 and the outer tube 8 which is sufficiently strong to retain the telescopic guard pipe in a chosen extended arrangement.
  • the ribs 10 help in this regard.
  • the inner guard pipe 6 may be extended in length by the addition of a second inner guard pipe which mates with the first guard pipe via a bayonet lock comprising a male portion 14 and a female portion 16.
  • a housing 18 for the block 20 is provided at the lower end of the outer guard pipe 8 by means of a bayonet lock or a friction fit.
  • a seal 22 is provided between the housing 18 and the outer pipe 8 to prevent the ingress of mud and water when the chamber system is in situ.
  • the water meter and stopvalve block comprises a plastics moulded body formed in two halves 24a, 24b.
  • the input pipe coupling 26 and output pipe coupling 28 are of the push-fit type designed to receive external pipes which may approach the block either from below or from one side of the block.
  • Each pipe coupling 26,28 is held on to its respective half of the body 24 of the block 20 by means of retaining rings 30.
  • the retaining rings are also manufactured from plastics material and include water-tight seals 32.
  • the inlet pipe coupling 26 and the outlet pipe coupling 28 are each able to rotate about an axis which is inclined to the axis of the respective pipe coupling, such that the pipe couplings themselves can face a number of different directions to receive external pipework approaching from such directions.
  • the inlet pipe coupling rotates about an axis which corresponds to the axis of its retaining ring, and the outlet pipe coupling does likewise with respect to its own retaining ring.
  • a pipe coupling rotates about an axis which is perpendicular to the contact surface between the pipe coupling 26,28 and the body 24 of the block 20.
  • the angle of each pipe coupling to its axis of rotation may be different to that shown in the accompanying drawings (which is substantially 45°), and may be selected for a specific application when manufacturing the ports.
  • a tortuous flow path is formed between the inlet pipe coupling 26 and the outlet pipe coupling 28 through the body 24 of the block 20.
  • This flow path may be closed by means of a stopvalve plunger 34 which is controlled by a spindle 36 driven by a key (not shown) inserted by a user through the top of the chamber system 1.
  • the body 38 of the stopvalve and the spindle 36 incorporate an arrangement whereby the headwork of the stopvalve cannot be removed simply by turning the stopvalve key. This prevents unintentional removal of the stopvalve headgear.
  • the plunger 34 includes a curved wall at its lower end to direct, when water is passing through the block 20, the flow of water with minimal loss of water pressure.
  • the plunger 34 also includes a seal 40 which closes the tortuous flow path when the plunger 34 is lowered on to its corresponding seat 42.
  • the body 24b of the block 20 includes a water meter mount 44 which is removable to allow access to a non-return valve 46.
  • the water meter mount 44 includes a preferential lock mechanism to prevent removal of the meter mount before a meter (not shown) mounted thereon has been removed.
  • the meter mount 44 is designed to accept a concentric flow path meter or a blanking cap (if a meter is not required).
  • the meter mount 44 includes a screw thread on its outer surface for mating with a corresponding screw thread on the inside surface of body 24b.
  • a base unit 52 may be attached to the bottom of a chamber system to provide a footing for the system as a whole. Such a base unit 52 enables the inlet and outlet pipe couplings 26,28 to rotate about an axis inclined to the axis of the respective pipe coupling so that external pipework approaching the block 20, either from below or from the side or from any position in between, may be readily attached to the pipe coupling.
  • the block 20 and housing 18 may be detached as a unit from the telescopic guard pipe, inverted and inserted into the guard pipe so that the block 20 is hidden within the inner tube 6 of the guard pipe.
  • This arrangement is made possible by the shape and size of the block 20 and housing 18, and enables the whole chamber system to be packed into a very neat and compact unit whilst protecting the block 20 from damage during transit.
EP90312620A 1989-11-24 1990-11-20 Bloc pour un compteur d'eau et un clapet d'arrêt Ceased EP0429292A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8926640 1989-11-24
GB8926640A GB2238365B (en) 1989-11-24 1989-11-24 A water meter and stopvalve block

Publications (1)

Publication Number Publication Date
EP0429292A1 true EP0429292A1 (fr) 1991-05-29

Family

ID=10666887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90312620A Ceased EP0429292A1 (fr) 1989-11-24 1990-11-20 Bloc pour un compteur d'eau et un clapet d'arrêt

Country Status (2)

Country Link
EP (1) EP0429292A1 (fr)
GB (1) GB2238365B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU633441B2 (en) * 1990-06-29 1993-01-28 Philmac Pty Ltd Meter boundary box
EP1298257A1 (fr) * 2001-10-01 2003-04-02 Celec Conception Electronique Elément de raccord de plomberie
EP2180101A1 (fr) * 2008-10-21 2010-04-28 Hansa Metallwerke AG Armature encastrée sanitaire

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE568398C (de) * 1933-01-19 Franz Hertel Unterflurhydrant
GB2156022A (en) * 1984-03-14 1985-10-02 Key Terrain Ltd Waste traps with swivellable joints
WO1987004203A1 (fr) * 1986-01-14 1987-07-16 Villanova Épito^"-És Vegyesipari Kisszövetkezet Puits a robinetteries pour conduites d'eau et de vapeur, en particulier pour compteurs d'eau
US4804206A (en) * 1987-10-13 1989-02-14 Dover Corporation Swivel construction and method of making the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB876019A (en) * 1957-01-22 1961-08-30 Parkinson Cowan Appliances Ltd Improvements in pipe connections

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE568398C (de) * 1933-01-19 Franz Hertel Unterflurhydrant
GB2156022A (en) * 1984-03-14 1985-10-02 Key Terrain Ltd Waste traps with swivellable joints
WO1987004203A1 (fr) * 1986-01-14 1987-07-16 Villanova Épito^"-És Vegyesipari Kisszövetkezet Puits a robinetteries pour conduites d'eau et de vapeur, en particulier pour compteurs d'eau
US4804206A (en) * 1987-10-13 1989-02-14 Dover Corporation Swivel construction and method of making the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU633441B2 (en) * 1990-06-29 1993-01-28 Philmac Pty Ltd Meter boundary box
EP1298257A1 (fr) * 2001-10-01 2003-04-02 Celec Conception Electronique Elément de raccord de plomberie
FR2830311A1 (fr) * 2001-10-01 2003-04-04 Celec Conception Electronique Element de raccord de plomberie
EP2180101A1 (fr) * 2008-10-21 2010-04-28 Hansa Metallwerke AG Armature encastrée sanitaire

Also Published As

Publication number Publication date
GB2238365A (en) 1991-05-29
GB2238365B (en) 1993-08-25
GB8926640D0 (en) 1990-01-17

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