EP0788815B2 - Pressure handle valve for permanently presurized fire extinguisher - Google Patents

Pressure handle valve for permanently presurized fire extinguisher Download PDF

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Publication number
EP0788815B2
EP0788815B2 EP97101877A EP97101877A EP0788815B2 EP 0788815 B2 EP0788815 B2 EP 0788815B2 EP 97101877 A EP97101877 A EP 97101877A EP 97101877 A EP97101877 A EP 97101877A EP 0788815 B2 EP0788815 B2 EP 0788815B2
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EP
European Patent Office
Prior art keywords
pressure
bore
valve
axially
valve body
Prior art date
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Expired - Lifetime
Application number
EP97101877A
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German (de)
French (fr)
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EP0788815A2 (en
EP0788815B1 (en
EP0788815A3 (en
Inventor
Daniel Hofer
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GNUTTI CIRILLO S.P.A.
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GNUTTI CIRILLO SpA
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/62—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
    • A62C13/64—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve

Definitions

  • the invention relates to a pressure lever valve for Continuous pressure fire extinguisher according to the generic term of Claim 1.
  • Continuous pressure fire extinguishers consist of one Container that holds the powdered extinguishing agent and by means of compressed nitrogen under pressure is set. Used to apply the extinguishing agent an ascending pipe arranged in the container. On the A valve is screwed to the neck of the container, to which the riser pipe is also screwed on. The valve has a valve bore that the riser pipe with a Connection opening on the side of the valve body combines. A valve tappet is axial in the valve bore slidably mounted, which opens the valve bore or closes and accordingly the passage between the riser pipe and the connection opening or closes. The valve lifter is spring loaded in held in the closed position.
  • valve lifter By means of one on the valve body stored pressure lever can the valve lifter brought into the open position against the spring force become.
  • a nozzle is attached to the connection opening, to use the fire extinguisher when open Valve the extinguishing agent under pressure through the riser pipe and bring out the connection opening.
  • the connection opening for filling and maintenance used to pressurize the nitrogen gas into the Bring in containers.
  • the valve manometer which over a pressure hole in connection with the inside of the container stands.
  • the valve also has a test socket on, also via a pressure hole with the inside of the container communicates.
  • the test socket serves for connecting an external pressure tester to the Fire extinguisher maintenance.
  • the test nozzle can additionally with a rupture disc device as a backup equipped against overpressure in the container his.
  • valve body is made of brass.
  • a threaded connector is used to connect the manometer of the valve body to which the manometer is screwed becomes.
  • the screw connection of the pressure gauge with the valve body represents a possible leak that can lead to pressure drops.
  • the screwed on Manometer increases the construction dimensions of the valve.
  • the invention is based on the object Pressure lever valve of the type mentioned above to improve that its function becomes more reliable and the construction dimensions are reduced.
  • valve body Manometer This is preferably built into the valve body Manometer over a cross hole inside of the valve body connected to the test socket.
  • the This allows the internal pressure of the container to be a single common pressure hole both on the manometer as well as transferred to the test nozzle, so that the valve is structurally simple.
  • This Pressure hole is conveniently parallel and Axially offset to the valve bore and opens in the cross hole that the manometer with the test nozzle combines.
  • the pressure lever valve for a permanent pressure fire extinguisher has a one-piece valve body 10 made of brass. At the bottom of the valve body 10 is a Male thread 11 formed, which for attachment of the valve body 10 on a not shown Extinguishing agent container in an internal thread of the neck of the container is screwed in sealingly. On The riser pipe of the extinguishing agent container is threaded screwed into an internal thread of the valve body 10, which is coaxial within the external thread 11 is formed.
  • the valve body 10 is from top to bottom axially penetrated by a valve bore 20.
  • the valve bore 20 widens conically at its lower end on the diameter of the riser pipe.
  • the conical Extension forms a valve seat.
  • a valve tappet out formed at its lower end a valve cone with the valve seat of the valve bore 20 cooperates to the valve bore 20 against the Open or close the riser pipe.
  • an extension 12 with a bearing bore 13 molded.
  • a pressure lever not shown, mounted on the protruding from the valve bore 20 end of Valve tappet attacks.
  • valve tappet By depressing the pressure lever against the force of a spring, the valve tappet depressed so that its valve plug bores the valve 20 releases, so that this with the riser and thus comes into contact with the extinguishing agent container. Becomes the pressure lever released, the spring presses the Valve tappet in the closed position. By means of one Fork 14 of the valve body 10 engaging locking pin can the pressure lever against an unintentional Actuation.
  • connection piece 21 On the side of the valve body 10 is a connection piece 21 molded.
  • the connecting piece 21 has a connection opening 22 which is above the Valve seat radially vertically into the valve bore 20 empties.
  • the connecting piece 21 with the connection opening 22 is used to connect a nozzle via which the extinguishing agent when using the fire extinguisher is brought out of the container.
  • The also serves Connection piece 21 with the connection opening 22 at Fill the container to pressurize nitrogen into it fill the container.
  • the pressure gauge socket 30 essentially has an open end cylindrical recess 31.
  • the turn 31 serves to hold a manometer, not shown.
  • an inner shoulder is at the bottom of the recess 31 32 arranged.
  • a membrane disc of the Manometer is inserted into the recess 31 and sits on the inner shoulder 32.
  • the membrane disc is preferably soldered into the pressure gauge socket 30.
  • the membrane disc actuates a via a gear Pressure gauge, the gear and the pressure gauge in the space of the recess 31 in front of the membrane disc are arranged.
  • An undercut puncture 33 of the recess 31 serves to receive a Snap ring, which is the gear and the display of the Secures manometer in the recess 31. Before the The snap ring becomes a viewing window into the recess 31 pressed in to close the gearbox and the display.
  • Test nozzle 40 At the manometer socket 30 diametrically opposite side of the valve body 10 is a Test nozzle 40 molded.
  • the test nozzle 40 has External thread, by means of which an external pressure test device connected during the maintenance of the fire extinguisher can be. If necessary, in the Test socket 40 also a rupture disc device used as overpressure protection.
  • a transverse bore leads from the test nozzle 40 41 through the valve body 10 and opens into the Bottom surface of the recess 31 of the pressure gauge socket 30.
  • the transverse bore 41 is skewed to the Valve bore 20 in a perpendicular to the valve bore 20 Level and on the connecting piece 21st opposite side of the valve bore 20.
  • Axially parallel to the valve bore 20 and offset against this is a pressure bore 42 in the valve body 10 educated.
  • the pressure bore 42 opens with her upper end in the transverse bore 41 while its lower End in the area of the riser pipe Internal thread opens.
  • the internal thread has one axially parallel notch on the pressure bore 42nd continues in alignment.
  • the valve is screwed onto the container and the riser pipe into the internal thread of the Screwed valve body 10, so the pressure hole 42 with the notch of the internal thread the internal pressure chamber of the container.
  • the Internal pressure of the container thus acts on the Notch of the internal thread, the pressure bore 42 and the transverse bore 41 the inside of the membrane disc of the used in the manometer socket 30 Manometer.
  • the internal pressure is the same of the container via the transverse bore 41 on the test nozzle 40 for a possible check and applied the rupture disc safety device.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Safety Valves (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

The valve is fitted to a fire extinguisher which is maintained in a pressurised state, and has a metal body (10) which is made preferably from brass, and which can be screwed onto the feed pipe on a tank which holds an extinguishing agent. A valve bore (20) passes through the body, and is aligned axially with the feed pipe. A manometer and a testing nozzle (40) are connected to the inside of the tank by pressure bores. The manometer is set into a nozzle (30) which is made in one piece with the valve body.

Description

Die Erfindung betrifft ein Druckhebel-Ventil für Dauerdruck-Feuerlöscher gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a pressure lever valve for Continuous pressure fire extinguisher according to the generic term of Claim 1.

Dauerdruck-Feuerlöscher bestehen aus einem Behälter, der das pulverförmige Löschmittel aufnimmt und mittels komprimiertem Stickstoff unter Druck gesetzt wird. Zum Ausbringen des Löschmittels dient ein in dem Behälter angeordnetes Steigrohr. Auf den Hals des Behälters wird ein Ventil geschraubt, an welches auch das Steigrohr angeschraubt wird. Das Ventil weist eine Ventilbohrung auf, die das Steigrohr mit einer seitlich am Ventilkörper angebrachten Anschlußöffnung verbindet. In der Ventilbohrung ist ein Ventilstößel axial verschiebbar gelagert, der die Ventilbohrung öffnet bzw. schließt und dementsprechend den Durchgang zwischen dem Steigrohr und der Anschlußöffnung freigibt oder verschließt. Der Ventilstößel wird federbelastet in der Schließstellung gehalten. Mittels eines an dem Ventilkörper gelagerten Druckhebels kann der Ventilstößel gegen die Federkraft in die Öffnungsstellung gebracht werden. An die Anschlußöffnung wird eine Düse angesetzt, um im Einsatz des Feuerlöschers bei geöffnetem Ventil das Löschmittel unter Druck über das Steigrohr und die Anschlußöffnung auszubringen. Ebenso wird die Anschlußöffnung beim Befüllen und bei der Wartung dazu verwendet, das Stickstoffgas unter Druck in den Behälter einzubringen.Continuous pressure fire extinguishers consist of one Container that holds the powdered extinguishing agent and by means of compressed nitrogen under pressure is set. Used to apply the extinguishing agent an ascending pipe arranged in the container. On the A valve is screwed to the neck of the container, to which the riser pipe is also screwed on. The valve has a valve bore that the riser pipe with a Connection opening on the side of the valve body combines. A valve tappet is axial in the valve bore slidably mounted, which opens the valve bore or closes and accordingly the passage between the riser pipe and the connection opening or closes. The valve lifter is spring loaded in held in the closed position. By means of one on the valve body stored pressure lever can the valve lifter brought into the open position against the spring force become. A nozzle is attached to the connection opening, to use the fire extinguisher when open Valve the extinguishing agent under pressure through the riser pipe and bring out the connection opening. Likewise, the connection opening for filling and maintenance used to pressurize the nitrogen gas into the Bring in containers.

Um die Betriebsbereitschaft des Feuerlöschers kontrollieren zu können, ist es notwendig, den Druck in dem Behälter zu überwachen. Hierzu dient ein an dem Ventil angebrachtes Manometer, welches über eine Druckbohrung mit dem Behälterinneren in Verbindung steht. Weiter weist das Ventil einen Prüfstutzen auf, der ebenfalls über eine Druckbohrung mit dem Behälterinneren in Verbindung steht. Der Prüfstutzen dient zum Anschluß eines externen Druckprüfgerätes bei der Wartung des Feuerlöschers. Der Prüfstutzen kann zusätzlich mit einer Berstscheibeneinrichtung als Sicherung gegen einen Überdruck in dem Behälter ausgestattet sein.For the operational readiness of the fire extinguisher to be able to control it is necessary to Monitor pressure in the tank. This is what a attached to the valve manometer, which over a pressure hole in connection with the inside of the container stands. The valve also has a test socket on, also via a pressure hole with the inside of the container communicates. The test socket serves for connecting an external pressure tester to the Fire extinguisher maintenance. The test nozzle can additionally with a rupture disc device as a backup equipped against overpressure in the container his.

Bei den bekannten Ventilen (z.B. Prospekt 01/87 der Firma CÉO-DEUX, Lintgen, Luxemburg und Prospekt Ediz. 2/1989 der Firma CPF Industriale, Gussago, Italien) besteht der Ventilkörper aus Messing. Zum Anschluß des Manometers dient ein Gewindestutzen des Ventilkörpers, an welchen das Manometer angeschraubt wird. Die Schraubverbindung des Manometers mit dem Ventilkörper stellt eine mögliche Leckstelle dar, die zu Druckverlusten führen kann. Das angeschraubte Manometer vergrößert die Bauabmessungen des Ventils.With the known valves (e.g. brochure 01/87 by CÉO-DEUX, Lintgen, Luxembourg and Brochure Ediz. 2/1989 from CPF Industriale, Gussago, Italy) the valve body is made of brass. A threaded connector is used to connect the manometer of the valve body to which the manometer is screwed becomes. The screw connection of the pressure gauge with the valve body represents a possible leak that can lead to pressure drops. The screwed on Manometer increases the construction dimensions of the valve.

Der Erfindung liegt die Aufgabe zugrunde, ein Druckhebel-Ventil der eingangs genannten Gattung so zu verbessern, daß seine Funktion zuverlässiger wird und die Bauabmessungen reduziert werden.The invention is based on the object Pressure lever valve of the type mentioned above to improve that its function becomes more reliable and the construction dimensions are reduced.

Diese Aufgabe wird erfindungsgemäß gelöst durch ein Druckhebel-Ventil mit den Merkmalen der Ansprüche 1 und 6.This object is achieved according to the invention by a pressure lever valve with the features of the claims 1 and 6.

Vorteilhafte Ausführungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments of the invention are specified in the subclaims.

Mit der Erfindung ist es gelungen, das Manometer in den aus Messing bestehenden Ventilkörper zu integrieren. Dadurch ist die bei dem bekannten Ventil durch das Anschrauben des Manometers bedingte Leckmöglichkeit ausgeschaltet und der Druck in dem Behälter des Feuerlöschers kann über eine längere Zeitdauer zuverlässig gehalten werden. Durch die Integration des Manometers in den Ventilkörper wird außerdem eine wesentlich kompaktere Bauform des Ventilkörpers erreicht. Durch diese kompakte Bauform ist es möglich, bei derselben Ausführung des Ventils wahlweise sowohl einen handbetätigten Druckhebel als auch eine Kunststoffkappe zu montieren.With the invention, it was possible to use the manometer into the brass valve body integrate. This is the case with the known valve caused by screwing on the manometer Leakage switched off and the pressure in the The extinguisher container can last longer Time period can be kept reliable. Through integration the manometer in the valve body will also a much more compact design of the valve body reached. Because of this compact design it is possible, optionally with the same version of the valve both a manually operated pressure lever and one Mount plastic cap.

Vorzugsweise ist das in den Ventilkörper eingebaute Manometer über eine Querbohrung innerhalb des Ventilkörpers mit dem Prüfstutzen verbunden. Der Innendruck des Behälters kann dadurch über eine einzige gemeinsame Druckbohrung sowohl an das Manometer als auch an den Prüfstutzen übertragen werden, so daß das Ventil konstruktiv einfach aufgebaut ist. Diese Druckbohrung ist zweckmäßigerweise parallel und achsversetzt zur Ventilbohrung angeordnet und mündet in die Querbohrung, die das Manometer mit dem Prüfstutzen verbindet.This is preferably built into the valve body Manometer over a cross hole inside of the valve body connected to the test socket. The This allows the internal pressure of the container to be a single common pressure hole both on the manometer as well as transferred to the test nozzle, so that the valve is structurally simple. This Pressure hole is conveniently parallel and Axially offset to the valve bore and opens in the cross hole that the manometer with the test nozzle combines.

Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen

Figur 1
eine perspektivische Darstellung des Ventilkörpers,
Figur 2
eine Seitenansicht auf den Manometerstutzen des Ventilkörpers,
Figur 3
eine Draufsicht auf den Ventilkörper von oben und
Figur 4
einen Horizontalschnitt durch den Ventilkörper gegemäß der Schnittlinie A-A in Figur 2.
The invention is explained in more detail below on the basis of an exemplary embodiment shown in the drawing. Show it
Figure 1
a perspective view of the valve body,
Figure 2
a side view of the manometer socket of the valve body,
Figure 3
a top view of the valve body from above and
Figure 4
a horizontal section through the valve body along the section line AA in Figure 2.

Das Druckhebel-Ventil für einen Dauerdruck-Feuerlöscher weist einen einstückigen Ventilkörper 10 aus Messing auf. Unten an dem Ventilkörper 10 ist ein Außengewinde 11 angeformt, welches zur Befestigung des Ventilkörpers 10 an einem nicht dargestellten Löschmittelbehälter in ein Innengewinde des Halses des Behälters abdichtend eingeschraubt wird. Ein Steigrohr des Löschmittel-Behälters wird mit einem Gewinde in ein Innengewinde des Ventilkörpers 10 eingeschraubt, welches koaxial innerhalb des Außengewindes 11 ausgebildet ist.The pressure lever valve for a permanent pressure fire extinguisher has a one-piece valve body 10 made of brass. At the bottom of the valve body 10 is a Male thread 11 formed, which for attachment of the valve body 10 on a not shown Extinguishing agent container in an internal thread of the neck of the container is screwed in sealingly. On The riser pipe of the extinguishing agent container is threaded screwed into an internal thread of the valve body 10, which is coaxial within the external thread 11 is formed.

Der Ventilkörper 10 wird von oben nach unten axial von einer Ventilbohrung 20 durchsetzt. Die Ventilbohrung 20 erweitert sich an ihrem unteren Ende kegelförmig auf den Durchmesser des Steigrohres. Die kegelförmige Erweiterung bildet einen Ventilsitz. In der Ventilbohrung 20 ist axial verschiebbar ein Ventilstößel geführt, an dessen unterem Ende ein Ventilkegel ausgebildet ist, der mit dem Ventilsitz der Ventilbohrung 20 zusammenwirkt, um die Ventilbohrung 20 gegen das Steigrohr zu öffnen oder zu schließen. Oben an dem Ventilkörper 10 ist ein Ansatz 12 mit einer Lagerbohrung 13 angeformt. In der Lagerbohrung 13 wird schwenkbar ein nicht dargestellter Druckhebel gelagert, der an dem aus der Ventilbohrung 20 herausragenden Ende des Ventilstößels angreift. Durch Niederdrücken des Druckhebels gegen die Kraft einer Feder wird der Ventilstößel niedergedrückt, so daß sein Ventilkegel die Ventilbohrung 20 freigibt, so daß diese mit dem Steigrohr und damit dem Löschmittelbehälter in Verbindung kommt. Wird der Druckhebel freigegeben, so drückt die Feder den Ventilstößel in die Schließstellung. Mittels eines in eine Gabel 14 des Ventilkörpers 10 eingreifenden Sicherungsstiftes kann der Druckhebel gegen ein unbeabsichtigtes Betätigen gesichert werden.The valve body 10 is from top to bottom axially penetrated by a valve bore 20. The valve bore 20 widens conically at its lower end on the diameter of the riser pipe. The conical Extension forms a valve seat. In the Valve bore 20 is axially displaceable a valve tappet out, formed at its lower end a valve cone with the valve seat of the valve bore 20 cooperates to the valve bore 20 against the Open or close the riser pipe. At the top of that Valve body 10 is an extension 12 with a bearing bore 13 molded. In the bearing bore 13 is pivoted a pressure lever, not shown, mounted on the protruding from the valve bore 20 end of Valve tappet attacks. By depressing the pressure lever against the force of a spring, the valve tappet depressed so that its valve plug bores the valve 20 releases, so that this with the riser and thus comes into contact with the extinguishing agent container. Becomes the pressure lever released, the spring presses the Valve tappet in the closed position. By means of one Fork 14 of the valve body 10 engaging locking pin can the pressure lever against an unintentional Actuation.

Seitlich an dem Ventilkörper 10 ist ein Anschlußstutzen 21 angeformt. Der Anschlußstutzen 21 weist eine Anschlußöffnung 22 auf, die oberhalb des Ventilsitzes radial senkrecht in die Ventilbohrung 20 mündet. Der Anschlußstutzen 21 mit der Anschlußöffnung 22 dient zum Anschließen einer Düse, über welche beim Einsatz des Feuerlöschers das Löschsmittel aus dem Behälter ausgebracht wird. Ebenso dient der Anschlußstutzen 21 mit der Anschlußöffnung 22 beim Befüllen des Behälters dazu, Stickstoff unter Druck in den Behälter einzufüllen.On the side of the valve body 10 is a connection piece 21 molded. The connecting piece 21 has a connection opening 22 which is above the Valve seat radially vertically into the valve bore 20 empties. The connecting piece 21 with the connection opening 22 is used to connect a nozzle via which the extinguishing agent when using the fire extinguisher is brought out of the container. The also serves Connection piece 21 with the connection opening 22 at Fill the container to pressurize nitrogen into it fill the container.

In etwa auf der gleichen Höhe wie der Anschlußstutzen 21 und in rechtem Winkel zu dem Anschlußstutzen 21 ist an dem Ventilkörper 10 ein Manometerstutzen 30 einstückig angeformt. Der Manometerstutzen 30 weist eine stimseitig offene im wesentlichen zylindrische Ausdrehung 31 auf. Die Ausdrehung 31 dient zur Aufnahme eines nicht dargestellten Manometers. Hierzu ist am Boden der Ausdrehung 31 eine Innenschulter 32 angeordnet. Eine Membranscheibe des Manometers wird in die Ausdrehung 31 eingesetzt und sitzt auf der Innenschulter 32 auf. Die Membranscheibe wird vorzugsweise in den Manometerstutzen 30 eingelötet. Die Membranscheibe betätigt über ein Getriebe eine Druckanzeige, wobei das Getriebe und die Druckanzeige in dem Raum der Ausdrehung 31 vor der Membranscheibe angeordnet sind. Ein hinterschnittener Einstich 33 der Ausdrehung 31 dient zur Aufnahme eines Sprengringes, der das Getriebe und die Anzeige des Manometers in der Ausdrehung 31 sichert. Vor dem Sprengring wird ein Sichtfenster in die Ausdrehung 31 eingepreßt, um das Getriebe und die Anzeige zu verschließen.At about the same height as the connection piece 21 and at right angles to the connecting piece 21 is a manometer socket on the valve body 10 30 molded in one piece. The pressure gauge socket 30 essentially has an open end cylindrical recess 31. The turn 31 serves to hold a manometer, not shown. For this purpose, an inner shoulder is at the bottom of the recess 31 32 arranged. A membrane disc of the Manometer is inserted into the recess 31 and sits on the inner shoulder 32. The membrane disc is preferably soldered into the pressure gauge socket 30. The membrane disc actuates a via a gear Pressure gauge, the gear and the pressure gauge in the space of the recess 31 in front of the membrane disc are arranged. An undercut puncture 33 of the recess 31 serves to receive a Snap ring, which is the gear and the display of the Secures manometer in the recess 31. Before the The snap ring becomes a viewing window into the recess 31 pressed in to close the gearbox and the display.

An der dem Manometerstutzen 30 diametral entgegengesetzten Seite des Ventilkörpers 10 ist ein Prüfstutzen 40 angeformt. Der Prüfstutzen 40 weist ein Außengewinde auf, mittels dessen eine externe Druckprüfeinrichtung bei der Wartung des Feuerlöschers angeschlossen werden kann. Gegebenenfalls ist in dem Prüfstutzen 40 auch noch eine Berstscheibeneinrichtung als Überdrucksicherung eingesetzt.At the manometer socket 30 diametrically opposite side of the valve body 10 is a Test nozzle 40 molded. The test nozzle 40 has External thread, by means of which an external pressure test device connected during the maintenance of the fire extinguisher can be. If necessary, in the Test socket 40 also a rupture disc device used as overpressure protection.

Von dem Prüfstutzen 40 führt eine Querbohrung 41 durch den Ventilkörper 10 und mündet in der Bodenfläche der Ausdrehung 31 des Manometerstutzens 30. Die Querbohrung 41 verläuft windschief zu der Ventilbohrung 20 in einer zur Ventilbohrung 20 senkrechten Ebene und auf der dem Anschlußstutzen 21 entgegengesetzten Seite der Ventilbohrung 20. Achsparallel zu der Ventilbohrung 20 und gegen diese versetzt ist eine Druckbohrung 42 in dem Ventilkörper 10 ausgebildet. Die Druckbohrung 42 mündet mit ihrem oberen Ende in die Querbohrung 41, während ihr unteres Ende im Bereich des das Steigrohr aufnehmenden Innengewindes mündet. Das Innengewinde weist eine achsparallele Einkerbung auf, die die Druckbohrung 42 fluchtend fortsetzt. Ist das Ventil auf den Behälter aufgeschraubt und das Steigrohr in das Innengewinde des Ventilkörpers 10 eingeschraubt, so steht die Druckbohrung 42 über die Einkerbung des Innengewindes mit dem Innendruckraum des Behälters in Verbindung. Der Innendruck des Behälters beaufschlagt somit über die Einkerbung des Innengewindes, die Druckbohrung 42 und die Querbohrung 41 die Innenseite der Membranscheibe des in dem Manometerstutzen 30 eingesetzten Manometers. In gleicher Weise steht der Innendruck des Behälters über die Querbohrung 41 an dem Prüfstutzen 40 für eine eventuelle Kontrolle an und beaufschlagt die Berstscheiben-Sicherheitseinrichtung.A transverse bore leads from the test nozzle 40 41 through the valve body 10 and opens into the Bottom surface of the recess 31 of the pressure gauge socket 30. The transverse bore 41 is skewed to the Valve bore 20 in a perpendicular to the valve bore 20 Level and on the connecting piece 21st opposite side of the valve bore 20. Axially parallel to the valve bore 20 and offset against this is a pressure bore 42 in the valve body 10 educated. The pressure bore 42 opens with her upper end in the transverse bore 41 while its lower End in the area of the riser pipe Internal thread opens. The internal thread has one axially parallel notch on the pressure bore 42nd continues in alignment. The valve is screwed onto the container and the riser pipe into the internal thread of the Screwed valve body 10, so the pressure hole 42 with the notch of the internal thread the internal pressure chamber of the container. The Internal pressure of the container thus acts on the Notch of the internal thread, the pressure bore 42 and the transverse bore 41 the inside of the membrane disc of the used in the manometer socket 30 Manometer. The internal pressure is the same of the container via the transverse bore 41 on the test nozzle 40 for a possible check and applied the rupture disc safety device.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Ventilkörpervalve body
1111
Außengewindeexternal thread
1212
Ansatzapproach
1313
Lagerbohrungbearing bore
1414
Gabelfork
2020
Ventilbohrungvalve bore
2121
Anschlußstutzenconnecting branch
2222
Anschlußöffnungconnecting opening
3030
Manometer-StutzenPressure gauge socket
3131
Ausdrehungrecess
3232
Innenschulterinner shoulder
3333
Einstichpuncture
4040
Prüfstutzentest connector
4141
Querbohrungcross hole
4242
Druckbohrungpressure bore

Claims (6)

  1. Pressure-lever valve for continuous-pressure fire extinguishers, with a valve body (10) made from metal, preferably from brass, which can be screwed onto an extinguishing-agent container having a riser pipe, with a valve bore (20) passing axially through the valve body (10) and axially aligned with the riser pipe, with a valve tappet which is guided in the valve bore and can be moved axially by means of a pressure lever in order to open and close the valve bore (20), with a connecting orifice (22) issuing radially into the valve bore (20), with a pressure gauge connected to the container interior via a pressure bore (42), and with a test connection piece (40) connected to the container interior via a pressure bore (42), characterized in that the pressure gauge is inserted into a pressure-gauge connection piece (30) integrally formed in one piece on the valve body (10), and in that the pressure gauge has a diaphragm disc soldered into a lathe-turned recess (31) of the pressure-gauge connection piece and an indicator mechanism fastened in the lathe-turned recess (31) by means of a spring ring.
  2. Valve according to Claim 1, characterized in that the pressure gauge and the test connection piece (40) are connected to one another via a transverse bore (41) which is skew in relation to the valve bore (20), and in that only one common pressure bore (42) is provided for the pressure gauge and for the test connection piece (40).
  3. Valve according to Claim 2, characterized in that the pressure bore (42) is arranged parallel, and axially offset, to the valve bore (20) and issues into the transverse bore (41).
  4. Valve according to Claim 3, characterized in that the pressure bore (42) issues into the container outside the riser pipe.
  5. Valve according to Claim 4, characterized in that an axially parallel indentation of the internal thread, receiving the riser pipe, of the valve body (10) adjoins the pressure bore (42) axially in alignment.
  6. Pressure-lever valve for continuous-pressure fire extinguishers, with a valve body (10) made from metal, preferably from brass, which can be screwed onto an extinguishing-agent container having a riser pipe, with a valve bore (20) passing axially through the valve body (10) and axially aligned with the riser pipe, with a valve tappet which is guided in the valve bore and can be moved axially by means of a pressure lever in order to open and close the valve bore (20), with a connecting orifice (22) issuing radially into the valve bore (20), with a pressure gauge connected to the container interior via a pressure bore (42), and with a test connection piece (40) connected to the container interior via a pressure bore (42), the pressure gauge being inserted into a pressure-gauge connection piece (30) integrally formed in one piece on the valve body (10), and the pressure gauge and the test connection piece (40) being connected to one another via a transverse bore (41) which is skew in relation to the valve bore (20), and only one common pressure bore (42), which issues into the container outside the riser pipe, being provided for the pressure gauge and for the test connection piece (40), characterized in that the pressure bore (42) is arranged parallel, and axially offset, to the valve bore (20) and issues into the transverse bore (41), and in that an axially parallel indentation of the internal thread, receiving the riser pipe, of the valve body (10) adjoins the pressure bore (42) axially in alignment.
EP97101877A 1996-02-09 1997-02-06 Pressure handle valve for permanently presurized fire extinguisher Expired - Lifetime EP0788815B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29602248U DE29602248U1 (en) 1996-02-09 1996-02-09 Pressure lever valve for continuous pressure fire extinguishers
DE29602248U 1996-02-09

Publications (4)

Publication Number Publication Date
EP0788815A2 EP0788815A2 (en) 1997-08-13
EP0788815A3 EP0788815A3 (en) 1998-05-20
EP0788815B1 EP0788815B1 (en) 2000-05-31
EP0788815B2 true EP0788815B2 (en) 2003-09-24

Family

ID=8019228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97101877A Expired - Lifetime EP0788815B2 (en) 1996-02-09 1997-02-06 Pressure handle valve for permanently presurized fire extinguisher

Country Status (4)

Country Link
EP (1) EP0788815B2 (en)
AT (1) ATE193458T1 (en)
DE (2) DE29602248U1 (en)
ES (1) ES2148850T5 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2155318B1 (en) * 1998-02-05 2001-12-01 Salmeron Mercedes Gonzalez HEAD FOR FIRE EXTINGUISHERS.
IT249263Y1 (en) 2000-08-22 2003-04-08 Sae Antincendio S N C SYSTEM FOR CONNECTION OF A PRESSURE GAUGE TO THE QUICK DISCHARGE VALVE FOR PRESSURE EXTINGUISHERS.
ES2328772B1 (en) * 2007-07-25 2010-09-14 Aykan Xxi, S.L. POLYVALENT VALVE FOR FIRE EXTINGUISHERS.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1406359A (en) † 1973-02-07 1975-09-17 Chubb Fire Security Ltd Fire extinghuishing apparatus
DE3733224A1 (en) † 1986-10-01 1988-04-14 Preussag Ag Bauwesen Hand-held fire extinguisher
USD334826S (en) † 1991-07-18 1993-04-13 Mija Industries, Inc. Integral gauge and fire extinguisher valve housing
RO108416B1 (en) † 1993-04-01 1994-05-31 Neculai Stirbei Pressurized extinguisher

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046156A (en) * 1975-12-04 1977-09-06 Systron-Donner Corporation Explosion discharge valve
GB2148114B (en) * 1983-10-21 1987-05-20 Roger Carr Powder type fire extinguisher

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1406359A (en) † 1973-02-07 1975-09-17 Chubb Fire Security Ltd Fire extinghuishing apparatus
DE3733224A1 (en) † 1986-10-01 1988-04-14 Preussag Ag Bauwesen Hand-held fire extinguisher
USD334826S (en) † 1991-07-18 1993-04-13 Mija Industries, Inc. Integral gauge and fire extinguisher valve housing
RO108416B1 (en) † 1993-04-01 1994-05-31 Neculai Stirbei Pressurized extinguisher

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
Accessori per serbatoi (G.P.L.) < 12/09/1988 †
CPF Accessori Antincendio < 12/09/1988 †
Dizionario d'ingegneria, p. 499, manovale, 1974 †
The MIJA Univalve von 1994 †
Valvola CPF 1974-1975 ohne Datum †

Also Published As

Publication number Publication date
DE29602248U1 (en) 1996-04-11
DE59701789D1 (en) 2000-07-06
EP0788815A2 (en) 1997-08-13
ES2148850T3 (en) 2000-10-16
ES2148850T5 (en) 2004-06-16
ATE193458T1 (en) 2000-06-15
EP0788815B1 (en) 2000-05-31
EP0788815A3 (en) 1998-05-20

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