EP2453064B1 - Réducteur de pression étant à la fois dispositif d'arrêt - Google Patents
Réducteur de pression étant à la fois dispositif d'arrêt Download PDFInfo
- Publication number
- EP2453064B1 EP2453064B1 EP20110007917 EP11007917A EP2453064B1 EP 2453064 B1 EP2453064 B1 EP 2453064B1 EP 20110007917 EP20110007917 EP 20110007917 EP 11007917 A EP11007917 A EP 11007917A EP 2453064 B1 EP2453064 B1 EP 2453064B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- knob
- washer
- vessel
- 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.)
- Not-in-force
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims description 16
- 239000007769 metal material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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 or valves, in the pipe systems
- E03B7/075—Arrangement of devices for control of pressure or flow rate
-
- 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 or valves, in the pipe systems
- E03B7/08—Arrangement of draining devices, e.g. manual shut-off valves
Definitions
- the present invention refers to a device for stopping and restoring the flow of pressure reducers, particularly, but not exclusively, aimed to be used for drinkable water, also for human use.
- Such stopping device allows locking the flow without modifying the chosen calibration of the downstream pressure upon restoring the flow.
- the pressure reducer in addition to performing its normal task of reducing and checking the downstream pressure level, also performs the function of stop or intercepting tap, so that it prevents such tap from being installed downstream, and also avoiding that, upon restoring the flow, it is necessary to proceed with the recalibration of the previously-set outlet (downstream) pressure.
- DE-A1-43 33 960 discloses a device acting as a pressure reducer according to the preamble of Claim 1. Moreover, DE-A1-43 33 960 discloses, as prior art, the common operation and interaction of the pressure-regulating screw and its related spring in order to set the desired pressure into the device.
- FR-A-1 211 804 discloses a pressure regulator which operates both as pressure reducer and as stop cock.
- Object of the present invention is solving the above prior art problems, by providing a device for stopping and restoring the flow of pressure reducers, such device being able to perform the translation, without rotation, of the washer included therein so that possible frictions between a knob and the washer connected thereto are avoided.
- the device of the invention is used for stopping and restoring the flow of pressure reducers, and substantially comprises:
- the pin 5' rises and, by means of an interposed washer 4 (equipped with its necessary sealing members), blocks the shutting valve 6, stopping the flow.
- the pressure reducer also performs the function of intercepting tap (position shown in Figure 2 ).
- the plug 8 will be re-screwed and with a suitable rotation exerted on the knob 5 (contrary to the previous one), the shutting and regulating valve 6 will be freed, and in such a way, the same previously existing pressure will be re-established downstream, without needing new regulations (return to the position shown in Figure 1 ).
- the vessel 3 operates therefore as carrier structure for the moving components of the inventive part of the device of the invention: in fact, it housed the thrusting washer 4 together with the knob 5; such vessel 3 can be made both of plastic and of metallic material and can have any shape suitable for its purpose.
- the knob 5 is the member that transmits the functional movements: it is equipped with a through-hole 14 for the components used for testing, and houses the plug 8, suitable for the plant checks; in particular cases, it could be made also without hole 14 and plug 8.
- the knob 5 further houses and holds the washer 4, but remains free of rotating inside the washer 4, allowing to transform the rotary movement into a linear (front-back) movement: this in order to avoid the possible unscrewing of the shutting valve 6. Also the knob 5 can be made both of plastic and of metallic material.
- the washer 4 as seen, is equipped with suitable sealing gaskets and it is the interposed member that exerts the thrust or retracts for closing and opening the flow on the shutting valve 6. Also the washer 4 can be made both of plastic and of metallic material.
- Figures 4 and 5 show preferred embodiment of the device of the invention, with a reduced number of sealing members next to the thrusting washer 4.
- the improvement of this alternative embodiment only affects the thrusting mechanism, and consists in that, in the previously-described version, the pin 5' of the knob 5, receiving the rotation, was lifted and also had to rotate inside the washer 4, while the washer 4, due to friction on an external gasket (not shown), must not rotate in order not to impress an unsuitable rotary movement to the shutting valve 6. After a long period of inactivity of the system, possible frictions could have occurred between knob 5 and washer 4, with the possible transmission of rotary forces (even if weak and scarcely relevant forces) at the base of the shutting valve 6 through the washer 4.
- the thrusting washer 4 (which, when assembled, becomes a single piece) has a through-hole 14 that allows fluid to pass for the functional tests of the device, as described for the previous embodiment.
- the device of the present invention is useful since it is not mandatory any more to install an intercepting tap (flow stopping member) upstream: in fact, the pressure reducer of the invention also performs the function of such intercepting tap. This allows verifying and possibly intervening on the downstream plant; moreover, upon re-opening the flow, it is not necessary to proceed with the recalibration of the previously-set pressure. Thereby, more reduced spaces are needed for installing the device of the present invention.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanically-Actuated Valves (AREA)
- Measuring Fluid Pressure (AREA)
- Details Of Flowmeters (AREA)
Claims (10)
- Dispositif pour interrompre et rétablir le flux de réducteurs de pression, comprenant :- un corps principal (1) ;- une couverture (2), qui accueille une vis de réglage de pression (10) et un ressort (12) relatif à celle-ci, ladite vis de réglage de pression (10) étant raccordée fonctionnellement à une valve de fermeture (6) et en exerçant une pression sur ladite valve de fermeture (6) à travers ladite ressort (12) dans le but de régler la pression; et- un récipient (3) raccordé audit corps principal (1);Dans lequel ledit récipient (3) trouve place un pivot (5') raccordé à un bouton (5), pour lequel ledit pivot (5') est apte, en exerçant une rotation du bouton (5), à se soulever et, à travers une rondelle (4) interposée, à bloquer la valve de fermeture (6) contenue dans ledit corps (1), en interrompant de cette façon le flux de pression, le réducteur de pression ainsi en exerçant également la fonction de robinet d'interception, caractérisé par le fait que ledit récipient (3) est doté d'une glissière femelle qui est apte à recevoir une glissière mâle dont est dotée ladite rondelle (4) de façon telle à ce que ladite rondelle (4) soit soumise uniquement à un mouvement linéaire quand on fait tourner ledit bouton (5); et par le fait que le corps principal (1) reçoit une valve de retenue (7).
- Dispositif selon la revendication 1, caractérisé par le fait que, quand s'interrompt le flux de pression, une tenue de ladite valve de retenue (7) placée en aval, est apte à être vérifiée en dévissant un bouchon (8) raccordé fonctionnellement audit bouton (5), tandis que, à la fin du contrôle, le bouchon (8) est apte à être revissé et, avec une rotation contraire adaptée exercée sur le bouton (5), libérer la valve de fermeture (6), en rétablissant de cette façon la pression en aval existant auparavant.
- Dispositif selon la revendication 1, caractérisé par le fait que ladite rondelle (4) est dotée d'organes de tenue.
- Dispositif selon la revendication 1, caractérisé par le fait que ledit bouton (5) est doté d'un trou passant (4c) pour les composants utilisés pour les tests, et reçoit ledit bouchon (8), adapté aux contrôles d'installation.
- Dispositif selon la revendication 1, caractérisé par le fait que ledit récipient (3) est en matière plastique.
- Dispositif selon la revendication 1, caractérisé par le fait que ledit récipient (3) est en métal.
- Dispositif selon la revendication 1, caractérisé par le fait que ledit bouton (5) est en matière plastique.
- Dispositif selon la revendication 1, caractérisé par le fait que ledit bouton (5) est en métal.
- Dispositif selon la revendication 1, caractérisé par le fait que ladite rondelle (4) est en matière plastique.
- Dispositif selon la revendication 1, caractérisé par le fait que ladite rondelle (4) est en métal.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITNO20100006 ITNO20100006U1 (it) | 2010-11-16 | 2010-11-16 | Dispositivo di arresto e ripristino del flusso in riduttori di pressione, senza che alla riapertura del flusso occorra procedere a nuova taratura della pressione pre-impostata. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2453064A1 EP2453064A1 (fr) | 2012-05-16 |
EP2453064B1 true EP2453064B1 (fr) | 2013-07-03 |
Family
ID=43743341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20110007917 Not-in-force EP2453064B1 (fr) | 2010-11-16 | 2011-09-29 | Réducteur de pression étant à la fois dispositif d'arrêt |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2453064B1 (fr) |
IT (1) | ITNO20100006U1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1211804A (fr) * | 1958-10-09 | 1960-03-18 | Cie De Pont A Mousson | Régulateur de pression perfectionné |
EP0563011B1 (fr) * | 1992-03-27 | 1998-05-20 | Rudolf Schenk | Installation d'eau domestique |
DE4333960A1 (de) * | 1993-10-05 | 1995-04-06 | Cobra Watertech Proprietary Lt | Druckreduzierventil |
DE202006017515U1 (de) * | 2006-11-15 | 2007-01-25 | Hans Sasserath & Co. Kg | Druckminderer mit Spar-Einstellung |
-
2010
- 2010-11-16 IT ITNO20100006 patent/ITNO20100006U1/it unknown
-
2011
- 2011-09-29 EP EP20110007917 patent/EP2453064B1/fr not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
ITNO20100006U1 (it) | 2012-05-17 |
EP2453064A1 (fr) | 2012-05-16 |
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