EP0972995A1 - Dispositif de remplissage pour remplir un système de chauffage fermé à eau chaude - Google Patents

Dispositif de remplissage pour remplir un système de chauffage fermé à eau chaude Download PDF

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Publication number
EP0972995A1
EP0972995A1 EP98113242A EP98113242A EP0972995A1 EP 0972995 A1 EP0972995 A1 EP 0972995A1 EP 98113242 A EP98113242 A EP 98113242A EP 98113242 A EP98113242 A EP 98113242A EP 0972995 A1 EP0972995 A1 EP 0972995A1
Authority
EP
European Patent Office
Prior art keywords
valve
filling
pressure reducer
downstream
socket
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.)
Withdrawn
Application number
EP98113242A
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German (de)
English (en)
Inventor
Willi Hecking
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.)
Hans Sasserath GmbH and Co KG
Original Assignee
Hans Sasserath GmbH and Co KG
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 Hans Sasserath GmbH and Co KG filed Critical Hans Sasserath GmbH and Co KG
Priority to EP98113242A priority Critical patent/EP0972995A1/fr
Publication of EP0972995A1 publication Critical patent/EP0972995A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1083—Filling valves or arrangements for filling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system

Definitions

  • the invention relates to a filling valve for filling a closed hot water heating system containing a pipe separator that has an upstream Backflow preventer and a downstream backflow preventer as well as a arranged in terms of flow between the two non-return valves, from Has inlet pressure controlled drain valve, and a pressure reducer.
  • Hot water heating systems occasionally need to be taken from the fresh water network be refilled. It must be ensured that no heating water from the Hot water heating system get into the fresh water network and the fresh water can pollute. So you can't just use the hot water heating system via a fixed connecting line with a shut-off valve with a Connect fresh water pipe. Then heating water could come from the hot water heating system flow back into the fresh water network, for example when the Shut-off valve the pressure in the fresh water network drops sharply for some reason. Around To prevent this are in the water path between the hot water heating system and Fresh water network "backflow preventer" arranged. These are opening in the filling direction, spring-loaded check valves.
  • Such non-return valves can sometimes leak. In some states hence a permanent connection between the fresh water network and the hot water heating system not permitted even when installing a non-return valve.
  • the Connection must be broken after filling. This can happen because filling or refilling the hot water heating system only via a hose can take place, which is solved again after filling. It is cumbersome. It is also does not guarantee that the hose is actually removed after filling and so that the connection to the fresh water network is cut. This is why "Pipe separator" has been provided.
  • Such pipe separators have an upstream Backflow preventer and a downstream backflow preventer as well as a arranged in terms of flow between the two non-return valves, from Inlet pressure controlled drain valve on.
  • the drain valve is usually on Pipe connector in the waterway between the inlet and the system-side outlet, the from an open position in which the waterway is interrupted and to a drain is open, by an actuating piston acted upon by the inlet pressure against one Restoring force is movable into a closed position in which the pipe connector closes the waterway.
  • a shut-off valve is installed upstream of the pipe separator. The pipe separator and the shut-off valve are permanently installed. If the shut-off valve in the Normal state is closed, then the actuator piston is not from the inlet pressure acted upon. The pipe connector is retracted towards the inlet side. In order to the waterway is cut.
  • the downstream one Backflow preventer prevents the hot water heating system from running dry. Heating water that leaks downstream of the backflow preventer emerges from the hot water heating system, flows into the drain. If that Shut-off valve for refilling the, the inlet pressure acts on the Adjusting piston. This moves the pipe connector forward and closes it Waterway to the hot water heating system. The upstream Backflow preventer is still in the closed state during this process. The upstream backflow preventer only opens when the pressure rises again, after the pipe connector has stopped and the waterway has closed.
  • a pressure reducer turned on.
  • a Pressure reducer contains a control valve in the water path.
  • the control valve is one Membrane controlled by the system pressure against the action of a spring is acted upon.
  • Precautions are usually taken to control the function the pressure reducer temporarily when filling the hot water heating system turn off. In order to allow maintenance of the pressure reducer, this is usually the case Pressure reducer still a shut-off valve, through which the connection manually shut off between the pressure reducer and the hot water heating system can.
  • the invention has for its object a filling valve for filling or refilling a closed hot water heating system with the functions pipe separator, Backflow preventer and pressure reducer as easy to assemble.
  • the invention is further based on the object of a two-part filling valve Filling or refilling a closed hot water heating system, which is divided so that high demands on the use of both fittings Backflow safety of the valve can be sufficient, as it is put in some states be that the one of the fittings is already a functional one Filling valve represents when the requirements for backflow safety are lower.
  • this object is achieved with a filling valve of the type mentioned solved in that the downstream backflow preventer of the pipe separator downstream is arranged by the pressure reducer.
  • the downstream non-return valve fulfills simultaneously two functions: it prevents the hot water heating system from running dry open drain valve. He continues to allow after the connection to Fresh water pipe by means of a shut-off valve which is necessary for this purpose the removal of the pressure reducer for maintenance purposes.
  • the downstream one Backflow preventer separates the pressure reducer from the hot water heating system.
  • the filling valve can be constructed in two parts, a first, upstream fitting part the upstream backflow preventer and that Drain valve and a second, downstream valve part the pressure reducer and contains downstream check valve. Then the second fitting part can too can be used alone where a pipe separator is not required and its Function can only be performed by a backflow preventer.
  • Embodiments of the invention are the subject of the dependent claims.
  • the filling valve consists of a first, upstream valve part 10 and one second, downstream fitting part 12.
  • the two fitting parts 10 and 12 are by means of two connecting pieces 14 and 16 screwed together connected.
  • the first fitting part 10 contains an integrated shut-off valve 18, one upstream check valve 20 and a drain valve 22.
  • the second Fitting part 12 contains a pressure reducer 24, a downstream of which Pressure reducer 24 arranged, downstream check valve 26 and one Safety valve 27 arranged downstream of the backflow preventer 26
  • Inlet connector 28 is connected to a fresh water line of a fresh water network.
  • An outlet port 30 is closed with a hot water heating system connected.
  • a continuous waterway runs from the inlet port 28 to the Outlet port 30.
  • the water path can be interrupted by the drain valve 22 and with a drain 31 can be connected.
  • the inlet connection 28, the connecting piece 14 and 16 and the outlet connection are arranged coaxially to each other.
  • the drain 31 extends with its axis perpendicular to the axis of the inlet and connecting pieces 28 and 14 of the first Fitting part 10 down.
  • the pressure reducer 24 extends with its axis perpendicular to the axis of the connecting and outlet ports 16 and 30 of the second Annaturungsteil 12 also down.
  • the safety valve 27 extends coaxial with the pressure reducer 24 from the second fitting part 12 upwards.
  • the drain valve 22 of the pipe separator contains a pipe connector 32.
  • Das Pipe connector 32 is in a housing part 34 of the valve part 10 guided longitudinally.
  • An actuating piston 36 sits on the pipe connection piece 32.
  • the actuating piston 36 has an annular body 38 which on a collar 40 of the Pipe connector 32 is seated, which on the end face of the pipe connector 32 is molded.
  • a membrane 42 is with its inner edge between the ring body 38 and the end face of the pipe connector 32 is clamped.
  • the outer edge of the Membrane 42 is between a clamping ring 44 and an annular shoulder 46 of the Housing part 34 clamped.
  • the pipe connector 32 is under the influence a spring 47.
  • the spring 47 searches for the pipe joint 32 to the left in the figure to press.
  • the backflow preventer 20 includes one Cage 48 with a guide body 50 and a through three longitudinal struts 52 with the Guide body 50 connected ring 54.
  • the ring 54 is interposed with a annular sealing washer 56 firmly in the bore of the pipe connector 32nd held.
  • a central longitudinal bore 58 of the guide body 50 is a mushroom-shaped Valve closing body 60 guided with its stem.
  • the valve closing body 60 is below the influence of a spring 62.
  • the spring 62 pushes the valve closing body 60 to the left in the figure in contact with the sealing disc 56.
  • the sealing disc 56 acts as Sealing lip.
  • the spring 42 holds the pipe connector 32 in that shown in the figure left end position.
  • the waterway is through an annular gap 64 between the in the right end face of the pipe connector 32 and one in the housing part 34 seated, annular, surrounding the bore of the connecting piece 14 Sealing disc 66 interrupted.
  • the annular gap 64 is connected to the drain 31.
  • the backflow preventer 20 is closed. If the shut-off valve 18 for filling or Refilling the hot water heating system is opened, then the inlet pressure acts on the ring body 38 and the membrane 42 and also on the end face of the Valve closing body 60.
  • the shut-off valve 18 is a ball valve with a spherical cock plug 70. Das Ball valve 18 is seated in a valve housing 72.
  • the valve housing 72 is tubular with a flange 74.
  • the flange 74 is overlapped by a union nut 76 which the housing part 34 is screwed on. Between the flange 74 and the annular shoulder 46 the ring 44 and the outer edge of the membrane 42 are held.
  • the valve housing 72 forms the inlet port 28 and has one controlled by the shut-off valve 18 straight through channel that is aligned with the bore of the housing part 32 and with this is connected.
  • shut-off valve In the position shown, the shut-off valve is open. Handle 88 will move forward rotated 90 ° out of the paper plane of the figure, then the through hole blocked off to the inlet side. From the side of the backflow preventer 20 is the Through hole through test hole 80 and hole 82 with hole 84 connected. After unscrewing the screw 86, the tightness of the Backflow preventer 20 are checked.
  • the second fitting part 12 has a housing part 90.
  • the housing part 90 has each offset by 90 ° to each other, the connecting piece 16, one Receiving connector 92, the outlet connector 30 and a receiving connector 94.
  • Aligned with the receptacle 92 is a tubular in the housing part 90 Wall part 96 formed.
  • a passage 98 is formed, above which the interior of the wall part 96 with the Outlet connection 30 is connected.
  • the waterway runs in the second Fitting part 12 of the connecting piece 16 around the lower end in the figure of the wall part 96 around, through the interior of the wall part 96 and over the Passage 98 to the outlet port 30.
  • the pressure reducer 24 is inserted into the receptacle 96.
  • the pressure reducer 24 has a spring housing 100 with a flange along its edge.
  • the spring housing 100 is connected to the receptacle by means of a union nut 102 92 of the housing part 90 connected.
  • the union nut 102 extends over the Flange.
  • the union nut 102 allows the spring housing 100 to be rotated in such a way that that a display wheel 104 is easily visible.
  • a spring plate is on an adjusting spindle 106 108 guided non-rotatably.
  • An adjustment handle 110 sits on the adjusting spindle 106 Adjusting handle 110, the adjusting spindle 106 can be rotated.
  • a prestressed loading spring 114 is supported on the spring plate 108.
  • the Load spring 114 presses on a diaphragm plate 116 of a diaphragm 118, which between one held in the connecting piece 92 by the union nut 102 Ring 120 and an intermediate housing 122 is clamped.
  • the membrane 118 is a Valve tappet 124 connected to a pressure reducer valve body 126, so that the Diaphragm 118 adjusts the pressure reducer valve body 126.
  • the Adjusting handle 110 and thus the adjusting spindle 106 the spring plate 108 is axially adjusted. This changes the preload of the load spring 114.
  • the display wheel 104 is connected to the spring plate 108 so that the position of the Spring plate 108 can be read as a measure of the bias of the load spring 114.
  • the Pressure reducer valve body 126 interacts with a valve seat 130.
  • the Valve tappet 124 protrudes through the valve seat 130, so that the Pressure reducer valve body 126 is arranged downstream of the valve seat 130.
  • the membrane acts in the Hot water heating system prevailing pressure. If this pressure is greater than that is set by the adjusting handle 110, the diaphragm 118 moves 1 in the top and thereby closes the pressure reducing valve 126, 130 via the Valve tappet 124.
  • the pressure reducing valve 126, 130 controls the passage of the connecting piece 16 to the interior of the tubular wall part 96.
  • a cylindrical filter 128 is integrated, which the Passage from the connecting piece 16 to the valve seat 130 covered.
  • the pressure reducer 24 forms an interchangeable, cartridge-like component, which together the valve seat 130 is inserted into the receptacle 92, the valve seat 130 sits on the end face of the tubular wall part 96. The so used The pressure reducer is then fastened by means of the union nut 102.
  • the present filling valve is in a central guide sleeve 132 which on the Spring plate 108 sits, a plunger 134 guided.
  • the plunger 134 is with the Valve tappet 124 connected.
  • a knob 136 is longitudinally movable on the adjustment handle 110 guided.
  • the plunger 134 can be moved by hand via a pressure piece 138 be depressed so that it is via the valve lifter 124, the pressure reducing valve 126, 130 presses. So that when filling the hot water heating system Pressure reducing function can be switched off.
  • This backflow preventer 26 is similar constructed like a cartridge like the upstream backflow preventer 20. It contains a mushroom-like valve closing body 140 which with its shaft in one Guide body 142 is guided and under the influence of a spring 144 on one Valve seat 146 is present.
  • the safety valve 27 is seated in the receiving connector 94.
  • the safety valve has one Housing 150 on.
  • the housing 150 forms a valve seat 152.
  • On the valve seat 152 there is a valve plate 154.
  • the valve plate 154 is in one with a tappet 156 Guide sleeve 158 out.
  • the valve plate 154 is loaded by a spring 160. If the pressure exerted on valve plate 154 by the pressure in the hot water heating system Force overcomes the bias of the spring 160, the safety valve 27 opens and leaves Water from a drain 162.
  • the structure and function of such safety valves are known per se and therefore not described in detail here.
  • the safety valve 27 sits downstream of the downstream check valve 26 and is above the Passage 98 and the outlet connector 30 of the filling valve immediately without Interposition of further control or shut-off elements with the hot water heating system connected.
  • connection fitting described works as follows:
  • the downstream backflow preventer 26 forms an essential part of the Pipe separator by opening the drain valve 22, retracting the Pipe connector 34, an idling of the hot water heating system prevented. Therefore, the downstream backflow preventer is common Pipe separators with the pipe connector and the upstream Backflow preventer combined into one assembly.
  • the downstream non-return valve 26 in a second fitting part 12th downstream of the pressure reducer 24. This allows the downstream Backflow preventer 26 perform a second function. It allows after Closing the shut-off valve 18 to remove the pressure reducer 24 for maintenance or Exchange purposes without the hot water heating system can run empty and without additional shut-off elements being required, as is the case with the Technology is usually the case.
  • the arrangement described offers another advantage: the second Fitting part 12 with pressure reducer 24 and backflow preventer can do less strict safety requirements can be used without pipe cutters. Then the connecting piece 16 via some shut-off valve with the fresh water network connected. The outlet connection is connected to the hot water heating system. On Reflux of heating water is then only through the backflow preventer 26th prevented.
  • the backflow preventer 26 allows as well as that shown Execution an expansion of the pressure reducer 24 after closing the upstream Shut-off valve. This allows one and the same assembly in different ways be used.
  • the filling valve only contains the absolutely necessary number of Elements, especially shut-off members.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Safety Valves (AREA)
  • Check Valves (AREA)
EP98113242A 1998-07-16 1998-07-16 Dispositif de remplissage pour remplir un système de chauffage fermé à eau chaude Withdrawn EP0972995A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98113242A EP0972995A1 (fr) 1998-07-16 1998-07-16 Dispositif de remplissage pour remplir un système de chauffage fermé à eau chaude

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98113242A EP0972995A1 (fr) 1998-07-16 1998-07-16 Dispositif de remplissage pour remplir un système de chauffage fermé à eau chaude

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EP0972995A1 true EP0972995A1 (fr) 2000-01-19

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EP98113242A Withdrawn EP0972995A1 (fr) 1998-07-16 1998-07-16 Dispositif de remplissage pour remplir un système de chauffage fermé à eau chaude

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002059429A1 (fr) 2001-01-26 2002-08-01 Hans Sasserath & Co. Kg Separateur de conduites
EP1350896A2 (fr) 2002-04-03 2003-10-08 Hans Sasserath & Co Kg Arrangement de soupapes pour un disjoncteur hydraulique
EP1452652A2 (fr) 2003-02-27 2004-09-01 Hans Sasserath & Co Kg Arrangement de soupapes pour un disjoncteur hydraulique
EP1600840A2 (fr) 2004-05-24 2005-11-30 Hans Sasserath & Co Kg Détendeur
US7059340B2 (en) 2002-04-03 2006-06-13 Hans Sasserath & Co Kg Valve assembly for pipe disconnectors
DE102004063747A1 (de) * 2004-12-29 2006-07-13 Hans Sasserath & Co Kg Rohrtrenneranordnung
EP1681520A2 (fr) 2004-12-29 2006-07-19 Hans Sasserath & Co Kg vanne pour de fluide
DE102006021800B3 (de) * 2006-05-08 2008-02-07 Hans Sasserath & Co. Kg Armaturenbausatz zum Be- oder Nachfüllen von Heizungssystemen
EP2522890A1 (fr) * 2011-05-12 2012-11-14 Honeywell Technologies Sarl Dispositif de manipulation d'un milieu liquide
EP2980462A1 (fr) * 2014-08-02 2016-02-03 Robert Foster Système de gestion de pression

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179271A2 (fr) * 1984-09-25 1986-04-30 Hans Sasserath & Co Kg Dispositif d'alimentation pour le remplissage d'installations de chauffage fermées
EP0182058A1 (fr) * 1984-10-25 1986-05-28 Comap Robinet à dispositif anti-retour pour le remplissage d'une enceinte fermée
DE9406048U1 (de) * 1994-04-12 1994-06-16 Henkenjohann Walter Vorrichtung zum automatischen Nachfüllen von Heizungsanlagen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179271A2 (fr) * 1984-09-25 1986-04-30 Hans Sasserath & Co Kg Dispositif d'alimentation pour le remplissage d'installations de chauffage fermées
EP0182058A1 (fr) * 1984-10-25 1986-05-28 Comap Robinet à dispositif anti-retour pour le remplissage d'une enceinte fermée
DE9406048U1 (de) * 1994-04-12 1994-06-16 Henkenjohann Walter Vorrichtung zum automatischen Nachfüllen von Heizungsanlagen

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002059429A1 (fr) 2001-01-26 2002-08-01 Hans Sasserath & Co. Kg Separateur de conduites
EP1350896A2 (fr) 2002-04-03 2003-10-08 Hans Sasserath & Co Kg Arrangement de soupapes pour un disjoncteur hydraulique
US7059340B2 (en) 2002-04-03 2006-06-13 Hans Sasserath & Co Kg Valve assembly for pipe disconnectors
EP1452652A3 (fr) * 2003-02-27 2006-04-26 Hans Sasserath & Co Kg Arrangement de soupapes pour un disjoncteur hydraulique
EP1452652A2 (fr) 2003-02-27 2004-09-01 Hans Sasserath & Co Kg Arrangement de soupapes pour un disjoncteur hydraulique
EP1600840A2 (fr) 2004-05-24 2005-11-30 Hans Sasserath & Co Kg Détendeur
DE102004025814A1 (de) * 2004-05-24 2006-01-05 Hans Sasserath & Co. Kg Druckminderer
DE102004063747A1 (de) * 2004-12-29 2006-07-13 Hans Sasserath & Co Kg Rohrtrenneranordnung
EP1681520A2 (fr) 2004-12-29 2006-07-19 Hans Sasserath & Co Kg vanne pour de fluide
EP1681520A3 (fr) * 2004-12-29 2006-09-06 Hans Sasserath & Co Kg vanne pour de fluide
DE102004063747B4 (de) * 2004-12-29 2006-10-26 Hans Sasserath & Co Kg Rohrtrenneranordnung
DE102005010139B4 (de) * 2004-12-29 2013-11-28 Hans Sasserath & Co. Kg Rohrtrenneranordnung
DE102006021800B3 (de) * 2006-05-08 2008-02-07 Hans Sasserath & Co. Kg Armaturenbausatz zum Be- oder Nachfüllen von Heizungssystemen
EP2522890A1 (fr) * 2011-05-12 2012-11-14 Honeywell Technologies Sarl Dispositif de manipulation d'un milieu liquide
EP2980462A1 (fr) * 2014-08-02 2016-02-03 Robert Foster Système de gestion de pression

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