FR2619432A1 - Tap for a bottle of pressurised gas - Google Patents

Tap for a bottle of pressurised gas Download PDF

Info

Publication number
FR2619432A1
FR2619432A1 FR8711351A FR8711351A FR2619432A1 FR 2619432 A1 FR2619432 A1 FR 2619432A1 FR 8711351 A FR8711351 A FR 8711351A FR 8711351 A FR8711351 A FR 8711351A FR 2619432 A1 FR2619432 A1 FR 2619432A1
Authority
FR
France
Prior art keywords
valve
piston
rod
tap
gas
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
FR8711351A
Other languages
French (fr)
Other versions
FR2619432B3 (en
Inventor
Patrice Guiraud
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.)
Air Liquide SA
Original Assignee
Air Liquide SA
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 Air Liquide SA filed Critical Air Liquide SA
Priority to FR8711351A priority Critical patent/FR2619432B3/en
Publication of FR2619432A1 publication Critical patent/FR2619432A1/en
Application granted granted Critical
Publication of FR2619432B3 publication Critical patent/FR2619432B3/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/30—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces specially adapted for pressure containers
    • F16K1/304—Shut-off valves with additional means
    • F16K1/305—Shut-off valves with additional means with valve member and actuator on the same side of the seat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/30—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces specially adapted for pressure containers
    • F16K1/307—Additional means used in combination with the main valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0382—Constructional details of valves, regulators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

Tap for a bottle of pressurised gas, of the type including a body intended to be fixed onto a bottle head 9 with a delivery passage for gas 13 equipped with a valve 12 with a rod 14 sliding through a sealing bellows 17 and which is joined to a rod 21 of a pneumatic control piston 24 with antagonistic return spring 28 into the closed position of the valve 12, characterised by manual means 33 for axially displacing the piston 24, with a stop in the closed position of the valve 12. The tap described is particularly suited for the transfer of gas having some degree of toxicity.

Description

DESCRIPTION
La présente invention concerne un robinet pour bouteille de gaz sous pression, du genre comportant un corps destine à être fixé sur une tête de bouteille avec un passage d'ecoulement de gaz équipé d'un clapet à tige coulissant au travers d'un soufflet d'étancbeité et qui est solidaire d'une tige de piston de commande pneumatique avec un ressort antagoniste de rappel en position de fermeture du clapet. L'invention vise à assurer des conditions opératoires supplementaires indépendantes de la commande pneumatique. DESCRIPTION
The present invention relates to a tap for a pressurized gas cylinder, of the type comprising a body intended to be fixed to a cylinder head with a gas flow passage equipped with a valve with a sliding rod passing through a bellows d seal and which is integral with a pneumatic control piston rod with an opposing return spring in the closed position of the valve. The invention aims to provide additional operating conditions independent of pneumatic control.

L'invention est caractérisêe essentiellement par des moyens manuels de déplacement axial du piston avec butée en position de fermeture du clapet. Selon une forme de réalisation, les troyens manuels de maintien du piston en position de fermeture comprennent un prolongement axial d'une tige de piston, des moyens de butée réglable comprenant une piece à volant manuel adaptée à être vissée dans le corps du robinet jusqu'à buter contre le dit prolongement axial en position de fermeture du piston.De préférence, la pince à volant est une pièce cylindrique à dégagement cylindrique axial engagée à coulissement libre autour du prolongement de tige de piston, vissée par le volant manuel dans le corps du robinet et dont le fond forme butée pour le dit prolongement de tige de piston. En outre, le prolongement de tige de piston présente une extension additionnelle axiale au travers de la pièce à volant, avec butée arrière contre la dite pièce à une distance normalement supérieure à la course du piston. The invention is characterized essentially by manual means of axial displacement of the piston with stop in the closed position of the valve. According to one embodiment, the manual means for holding the piston in the closed position comprise an axial extension of a piston rod, adjustable stop means comprising a part with manual flywheel adapted to be screwed into the body of the valve until to abut against said axial extension in the closed position of the piston. Preferably, the flywheel clamp is a cylindrical part with axial cylindrical release engaged in free sliding around the extension of the piston rod, screwed by the manual flywheel into the body of the tap and whose bottom forms a stop for said extension of the piston rod. In addition, the piston rod extension has an additional axial extension through the flywheel part, with rear stop against said part at a distance normally greater than the stroke of the piston.

Les caractéristiques et avantages de l'invention ressortiront d'ailleurs de la description qui suit, à titre d'exemple, en référence au dessin annexe qui est une coupe d'un robinet selon l'invention. The characteristics and advantages of the invention will become apparent from the following description, by way of example, with reference to the accompanying drawing which is a section through a tap according to the invention.

Le robinet ccmpnrte un corps de commande 1 formé d'une embase 2 surmontée d'un couvercle 3 vissé sur l'embase 2. L'embase 2 est solidaire d'un corps cylindrique 5 avec interposition de point d'etanchéïte 50. A l'extrémité de ce corps cylindrique 5 est vissé un corps de robinet 7. Le corps de robinet 7 est lui-même visse avec interposition d'un joint d'étaac,éIté sur une tête de bouteille 9. Le corps du robinet 7 présente un passage axial resserré 10 pour former un siège 11 de clapet 12, communiquant avec un passage transversal de soutirage 13 par un canal 51 débouchant dans une rainure annulaire 52 entourant le siège 11 du clapet 12.Le clapet 12 est solidaire d'une tige de clapet 14 traversant librement une plaque de fermeture et d'étanchéité 15 disposée entre le corps de robinet 7 et le corps cylindrique 5 de l'embase 2 du corps de commande 1. Un soufflet d'étanchéîté 17 est soudé en 18 sur la tige 14 du clapet 12 et en 19 sur la plaque de fermeture et d'étanchéiité 15. The valve ccmpnrte a control body 1 formed by a base 2 surmounted by a cover 3 screwed onto the base 2. The base 2 is secured to a cylindrical body 5 with interposition of sealing point 50. At l 'end of this cylindrical body 5 is screwed a valve body 7. The valve body 7 is itself screwed with the interposition of a gasket, éIté on a bottle head 9. The valve body 7 has a constricted axial passage 10 to form a valve seat 11, communicating with a transverse withdrawal passage 13 by a channel 51 opening into an annular groove 52 surrounding the seat 11 of the valve 12. The valve 12 is integral with a valve stem 14 freely passing through a closing and sealing plate 15 disposed between the valve body 7 and the cylindrical body 5 of the base 2 of the control body 1. A sealing bellows 17 is welded at 18 to the rod 14 of the valve 12 and at 19 on the closing and sealing plate 15.

A l'intérieur du corps de commande 1 est disposé d'un piston 24 avec joint d'étanchérté 25 dans une charre cylindrique fournée par l'entasse 2 et le couvercle 3. Le déplacement du piston 24 est commande par un gaz comprime arrivant par un orifice 26 débouchant dans la chambre 22. Ce gaz agit contre l'action antagoniste de deux ressorts de compression 28 et 28 a.Inside the control body 1 is disposed a piston 24 with seal 25 in a cylindrical hoop supplied by the pile 2 and the cover 3. The displacement of the piston 24 is controlled by a compressed gas arriving by an orifice 26 opening into the chamber 22. This gas acts against the antagonistic action of two compression springs 28 and 28 a.

Le piston 24 comporte un axe 30 coulissant librement dans un alesage axial 31 et présentant à son extxrrité une butée 53. Cette butée vient se loger à l'intérieur d'un alésage 54 prévu dans le bouton molieté 33 se vissant sur la partie supérieure 55 du couvercle 3. La tige 14 est rendu solidaire de la tige 30 du piston 24 par l'intermédiaire d'une attache à cardan 56 munie d'une bille 57 permettant un léger débattement axial des tiges 14 et 30. Dans cette réalisation, le passage de soutirage 13 est muni d'un dispositif connu de limitation de débit 58 assurant une sécurité en cas de disfonctionnement du robinet. The piston 24 has an axis 30 sliding freely in an axial bore 31 and having at its outside a stop 53. This stop comes to be housed inside a bore 54 provided in the knurled button 33 screwed on the upper part 55 of the cover 3. The rod 14 is made integral with the rod 30 of the piston 24 by means of a universal joint 56 provided with a ball 57 allowing a slight axial movement of the rods 14 and 30. In this embodiment, the draw-off passage 13 is provided with a known device for limiting the flow rate 58 ensuring safety in the event of the valve malfunctioning.

Par ailleurs, contrairement à ce qui existe actuellement, le balayage du dispositif par un gaz inerte de décontamination s'effectue jusqu'au siège 11 du clapet 12, par la rainure annulaire 52. Furthermore, contrary to what currently exists, the device is swept with an inert decontamination gas up to the seat 11 of the valve 12, by the annular groove 52.

Dans une variante de réalisation, le robinet selon l'invention camporte deux sorties. Dans cette réalisation un second canal de. In an alternative embodiment, the valve according to the invention has two outlets. In this embodiment a second channel of.

soutirage 13A débouche dans la rainure annulaire 52 entourant le siège 11 du clapet 12. Ce canal est en outre muni d'un clapet anti-retour 59.withdrawal 13A opens into the annular groove 52 surrounding the seat 11 of the valve 12. This channel is also provided with a non-return valve 59.

Cette disposition permet d'une part d'utiliser qu'une sortie sans craindre de fuite sur le canal 13A et d'autre part de balayer l'ensemble des canaux 13A et 13 d'une manière parfaite.This arrangement allows on the one hand to use an outlet without fear of leakage on the channel 13A and on the other hand to sweep all of the channels 13A and 13 in a perfect manner.

En fonctionnement normal, le bouton moleté 33 est dévisse de façon à assurer entre la butée 53 de la tige 30 et le fond de l'évidemment 54 dudit bouton un jeu légèrement supérieur à la course du clapet 12 lorsqu'il est actionné par la pression du gaz de camrande arrivant dans la chantre 22 par le conduit 26 et agissant sur le piston 24 à l'encontre des ressorts 28 et 28 a. In normal operation, the knurled button 33 is unscrewed so as to ensure, between the stop 53 of the rod 30 and the bottom of the recess 54 of said button, a play slightly greater than the stroke of the valve 12 when it is actuated by pressure. control gas entering the cantilever 22 through the conduit 26 and acting on the piston 24 against the springs 28 and 28 a.

La position de fermeture de sécurité est assume manuellement par vissage du bouton molleté 33 jusqu'à ce que le fond de l'évidemment 54 vienne contre la butee 53 bloquant ainsi le clapet 12 sur son siège 11. The safety closing position is assumed manually by screwing the knurled button 33 until the bottom of the recess 54 comes against the stop 53 thus blocking the valve 12 on its seat 11.

Le robinet décrit est particuiierement adapté au transfert de gaz présentant des degrés de toxicité.  The valve described is particularly suitable for the transfer of gases having degrees of toxicity.

Claims (1)

REVENDICATIONS 1.Robinet pour bouteille de gaz sous pression, du genre coMportant un corps destiné à btre fixC sur une tête de bouteille (9) avec un passage d'écoulement de gaz (13) équipé d'un clapet (12) à tige (14) coulissant au travers d'un soufflet d'tanchéité (17) et qui est solidaire d'une tige (21) de piston (24) de commande pneumatique avec ressort antagoniste de rappel (28) en position de fermeture du clapet (12) et coulissant dans une chambre, caractérisé par le fait que la tige du piston fait saillie à coulissement hors de la chantre cylindrique de piston du corps de commande (1), l'extrémité libre de la dite tige (30) pouvant venir en butée contre le fond d'un évidement axial d'un bouton de commande (33) vissé sur le corps de robinet (1)  1.Faucet for a pressurized gas cylinder, of the kind comprising a body intended to be fixed on a cylinder head (9) with a gas flow passage (13) equipped with a valve (12) with rod ) sliding through a sealing bellows (17) and which is integral with a piston rod (21) of pneumatic control piston (24) with opposing return spring (28) in the closed position of the valve (12) and sliding in a chamber, characterized in that the piston rod protrudes by sliding out of the cylindrical piston edge of the control body (1), the free end of said rod (30) being able to abut against the bottom of an axial recess of a control button (33) screwed onto the valve body (1)
FR8711351A 1987-08-10 1987-08-10 TAP FOR PRESSURE GAS BOTTLE Expired FR2619432B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8711351A FR2619432B3 (en) 1987-08-10 1987-08-10 TAP FOR PRESSURE GAS BOTTLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8711351A FR2619432B3 (en) 1987-08-10 1987-08-10 TAP FOR PRESSURE GAS BOTTLE

Publications (2)

Publication Number Publication Date
FR2619432A1 true FR2619432A1 (en) 1989-02-17
FR2619432B3 FR2619432B3 (en) 1989-10-27

Family

ID=9354058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8711351A Expired FR2619432B3 (en) 1987-08-10 1987-08-10 TAP FOR PRESSURE GAS BOTTLE

Country Status (1)

Country Link
FR (1) FR2619432B3 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995589A (en) * 1990-01-29 1991-02-26 Sequioa Controls Company, Ltd. Bellows valve
FR2663715A1 (en) * 1990-06-20 1991-12-27 Ceodeux Sa DEVICE FOR NEUTRALIZING A RESIDUAL PRESSURE VALVE OF A GAS BOTTLE.
FR2724241A1 (en) * 1994-09-02 1996-03-08 Air Liquide GAS CONTROL AND DISTRIBUTION ASSEMBLY AND GAS STORAGE DEVICE EQUIPPED WITH SUCH ASSEMBLY
EP1074786A1 (en) * 1999-07-31 2001-02-07 Uop Llc Fail-safe delivery valve for pressurized tanks
WO2002046652A1 (en) * 2000-12-08 2002-06-13 Atofina Servo-controlled safety valve for toxic fluid container
KR100697160B1 (en) * 1999-08-06 2007-03-21 프랙스에어 테크놀로지, 인코포레이티드 Fail-safe delivery valve for pressurized tanks
US20110146813A1 (en) * 2008-04-10 2011-06-23 Paul Wadham Tamper-resistant valve and connection arrangement
FR3018330A1 (en) * 2014-03-07 2015-09-11 Air Liquide Sante Services FIXED-STANDING GAS DISTRIBUTION VALVE AND MOBILE COIFFE

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995589A (en) * 1990-01-29 1991-02-26 Sequioa Controls Company, Ltd. Bellows valve
WO1991011642A1 (en) * 1990-01-29 1991-08-08 Sequoia Controls Company, Ltd. Bellows valve
FR2663715A1 (en) * 1990-06-20 1991-12-27 Ceodeux Sa DEVICE FOR NEUTRALIZING A RESIDUAL PRESSURE VALVE OF A GAS BOTTLE.
AU687235B2 (en) * 1994-09-02 1998-02-19 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gas control and dispensing assembly and gas storage device comprising such a unit
WO1996007843A1 (en) * 1994-09-02 1996-03-14 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gas control and dispensing assembly and gas storage device comprising such a unit
US5678602A (en) * 1994-09-02 1997-10-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gas control and dispensing assembly and gas storage device equipped with such an assembly
FR2724241A1 (en) * 1994-09-02 1996-03-08 Air Liquide GAS CONTROL AND DISTRIBUTION ASSEMBLY AND GAS STORAGE DEVICE EQUIPPED WITH SUCH ASSEMBLY
EP1074786A1 (en) * 1999-07-31 2001-02-07 Uop Llc Fail-safe delivery valve for pressurized tanks
KR100697160B1 (en) * 1999-08-06 2007-03-21 프랙스에어 테크놀로지, 인코포레이티드 Fail-safe delivery valve for pressurized tanks
WO2002046652A1 (en) * 2000-12-08 2002-06-13 Atofina Servo-controlled safety valve for toxic fluid container
FR2817940A1 (en) * 2000-12-08 2002-06-14 Atofina ACTUATOR CONTROLLED VALVE FOR TOXIC FLUIDS CONTAINER
US20110146813A1 (en) * 2008-04-10 2011-06-23 Paul Wadham Tamper-resistant valve and connection arrangement
US8899262B2 (en) * 2008-04-10 2014-12-02 Linde Aktiengesellschaft Tamper-resistant valve and connection arrangement
FR3018330A1 (en) * 2014-03-07 2015-09-11 Air Liquide Sante Services FIXED-STANDING GAS DISTRIBUTION VALVE AND MOBILE COIFFE
WO2015132495A1 (en) * 2014-03-07 2015-09-11 Air Liquide Sante Services Gas distribution tap with fixed based and mobile cap

Also Published As

Publication number Publication date
FR2619432B3 (en) 1989-10-27

Similar Documents

Publication Publication Date Title
FR2612598A1 (en) TAP FOR GAS BOTTLE UNDER PRESSURE
FR2657668A1 (en) TAP FOR COMPRESSED OR LIQUEFIED GAS.
EP0330575B1 (en) Hydraulic circuit comprising a safety valve for a hydraulic actuator
CH648915A5 (en) FLOW REGULATOR VALVE.
LU86438A1 (en) MEMBRANE TAP
FR2619432A1 (en) Tap for a bottle of pressurised gas
EP0952376A1 (en) Double-seat lift valve with inflatable membrane
FR2663715A1 (en) DEVICE FOR NEUTRALIZING A RESIDUAL PRESSURE VALVE OF A GAS BOTTLE.
CA1211678A (en) Piloted safety valve
EP0857904A1 (en) Gas valve
FR2619884A1 (en) PILOTED SAFETY VALVE
EP0128096A1 (en) Actuator with a pneumatic pressure reservoir, especially for valves
FR2653523A3 (en) Connector for fitting a steel cylinder of compressed gas to a tyre inflation valve
FR2580774A1 (en) Safety valve for an enclosure containing a pressurised fluid
FR2955170A1 (en) Gas expander integrated tap for use in pressurized gas cylinder, has push-valve and pressure valve arranged in same housing of body, where push-valve is selectively moved independent of pressure valve for actuating insulation valve
FR2656669A1 (en) Safety device intended to protect volumes of pressurized fluid against excess pressure
FR2749363A1 (en) PRESSURE FLUID SPRING COMPRESSOR
FR2654794A1 (en) NEUTRALIZABLE DETENDER.
BE539401A (en)
CH648909A5 (en) Hydropneumatic jack
FR2634852A1 (en) Tap (valve) for a gas cylinder with expendable packing
FR2500105A1 (en) COMPRESSED AIR DISPENSER FOR VEHICLE PNEUMATIC BRAKE SYSTEMS
FR2707364A1 (en) Adjustment device for tap with time-delayed closure
KR930010304B1 (en) Relief valve for power-driven sprayer
FR3098273A1 (en) Pressurized fluid bottle