FR2717088A1 - Fire-resistant shutter with good smoke sealing - Google Patents

Fire-resistant shutter with good smoke sealing Download PDF

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Publication number
FR2717088A1
FR2717088A1 FR9402715A FR9402715A FR2717088A1 FR 2717088 A1 FR2717088 A1 FR 2717088A1 FR 9402715 A FR9402715 A FR 9402715A FR 9402715 A FR9402715 A FR 9402715A FR 2717088 A1 FR2717088 A1 FR 2717088A1
Authority
FR
France
Prior art keywords
valve
seat
butterfly
edges
fire
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
FR9402715A
Other languages
French (fr)
Other versions
FR2717088B1 (en
Inventor
Constantin Pierre
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.)
VRACO SA
Original Assignee
VRACO 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 VRACO SA filed Critical VRACO SA
Priority to FR9402715A priority Critical patent/FR2717088B1/en
Publication of FR2717088A1 publication Critical patent/FR2717088A1/en
Application granted granted Critical
Publication of FR2717088B1 publication Critical patent/FR2717088B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C2/00Fire prevention or containment
    • A62C2/06Physical fire-barriers
    • A62C2/12Hinged dampers

Abstract

The shutter consists of a rectangular-section housing (1), e.g. of metal, containing a flap (2) which turns on a pivot (3) and engages with a seat inside the housing. The flap is made from two offset parallel sections (7,8) situated on either side of the pivot (3), with the seat also in two sections (9,10) which are offset in a corresponding manner. The edges (72,82) of the flap surfaces and the corresponding edges (91,101) of the seat sections are angled so that they fit together when they meet. The two sections of the flap are preferably made from different materials to combine their properties for the resistance of heat and preventing the spread of fire.

Description

Clapet coupe feu D
Le clapet de l'invention comporte un papillon monté à pivotement sur un axe afin de s'appliquer sur un siège de clapet et est caractérisé en ce que le papillon se compose de deux surfaces décalées dans des plans parallèles, ces surfaces étant disposées de part et d'autre de l'axe de pivotement et en ce que le siège de clapet se compose de deux parties de siège décalées de manière correspondante, les chants de ces deux surfaces d'une part et les chants de ces deux parties de siège d'autre part, étant inclinés dans la même direction par rapport à la direction circulaire de rotation du papillon.
Fire damper D
The valve of the invention comprises a butterfly pivotally mounted on an axis in order to be applied to a valve seat and is characterized in that the butterfly consists of two surfaces offset in parallel planes, these surfaces being arranged on one side and on the other side of the pivot axis and in that the valve seat consists of two correspondingly offset seat parts, the edges of these two surfaces on the one hand and the edges of these two seat parts d 'other hand, being inclined in the same direction relative to the circular direction of rotation of the butterfly.

L'invention est représentée à titre d'exemple non limitatif sur les dessins ci-joints dans lesquels
- la figure 1 est une vue en coupe transversale d'un clapet conforme à l'invention,
- la figure 2 est une vue en perspective arrachée du clapet de la figure 1,
- la figure 3 est une vue en coupe axiale du montage à pivotement du papillon du clapet.
The invention is shown by way of non-limiting example in the accompanying drawings in which
FIG. 1 is a cross-sectional view of a valve according to the invention,
FIG. 2 is a perspective view cut away from the valve of FIG. 1,
- Figure 3 is an axial sectional view of the pivoting mounting of the valve butterfly.

La présente invention a en conséquence pour but la réalisation simple d'un clapet à pivotement équilibré ou non, qui soit autocentré lors de sa fermeture afin d'obtenir une excellente étanchéité, de réaliser une bonne isolation au feu et de supprimer les ponts thermiques.  The present invention therefore aims to the simple realization of a balanced or unbalanced pivoting valve, which is self-centered when closed in order to obtain an excellent seal, to achieve good fire insulation and to remove thermal bridges.

Le clapet représenté sur les dessins ci-joints se compose d'un entourage, en général métallique 1, par exemple à section carrée, à l'intérieur duquel le papillon 2 est monté pivotant par son axe 3 afin que son chant s'applique sur le chant correspondant du siège de clapet 4 fixé de manière étanche sur la paroi interne de l'entourage 1. The valve shown in the accompanying drawings consists of a surround, generally metallic 1, for example with a square section, inside which the butterfly 2 is pivotally mounted by its axis 3 so that its edge is applied to the corresponding edge of the valve seat 4 tightly attached to the inner wall of the surround 1.

L'axe 3 se termine à ses extrémités par des tourillons 31 (voir figure 3) montés à rotation à l'intérieur d'un palier 5, lui-même centré sur une ferrure 6 fixée à l'extérieur de l'entourage 1. The axis 3 ends at its ends with pins 31 (see FIG. 3) mounted for rotation inside a bearing 5, itself centered on a fitting 6 fixed outside the surround 1.

Conformément à l'invention, le papillon 2 se compose de deux surfaces 7 et 8 qui sont décalées l'une par rapport à l'autre dans des plans parallèles et qui sont disposées de part et d'autre de l'axe 3 dont la partie centrale est réalisée sous la forme d'une poutre
Ces deux surfaces 7 et 8 présentent à cet effet des décrochements 71, 81, par lesquels ils viennent s'emboîter sur la partie centrale de l'axe 3 où ils sont fixés par vissage ou autre moyen. Cet emboîtement est réalisé de façon que les bords 73 et 83 des surfaces 7 et 8 se recouvrent l'un l'autre de part et d'autre de l'axe 3 afin d'assurer l'étanchéité du clapet à hauteur de l'axe.
According to the invention, the butterfly 2 consists of two surfaces 7 and 8 which are offset with respect to each other in parallel planes and which are arranged on either side of the axis 3, the central part is made in the form of a beam
These two surfaces 7 and 8 have for this purpose recesses 71, 81, by which they come to fit on the central part of the axis 3 where they are fixed by screwing or other means. This interlocking is carried out so that the edges 73 and 83 of the surfaces 7 and 8 overlap each other on either side of the axis 3 in order to seal the valve at the height of the axis.

Les deux surfaces 7 et 8 du papillon sont, de préférence, réalisées à l'aide de matériaux de différentes natures afin de combiner leurs propriétés de résistance au feu et à la propagation de la chaleur, etc. The two surfaces 7 and 8 of the butterfly are preferably made using materials of different natures in order to combine their properties of resistance to fire and to the propagation of heat, etc.

Le siège de clapet 4 se compose également de deux parties de siège, décalées dans des plans parallèles de manière correspondante au décalage des surfaces 7 et 8, de façon que lors de la fermeture du clapet, le chant 72 de la périphérie de la surface 7 vienne s'appliquer contre le chant 91 de la partie 9 du siège de clapet, alors que le chant 81 de la périphérie de la surface 8 du clapet vient s'appliquer contre le chant 101 de la partie 10 du siège de clapet. The valve seat 4 also consists of two seat parts, offset in parallel planes corresponding to the offset of the surfaces 7 and 8, so that when the valve is closed, the edge 72 of the periphery of the surface 7 is applied against the edge 91 of the part 9 of the valve seat, while the edge 81 of the periphery of the surface 8 of the valve is applied against the edge 101 of the part 10 of the valve seat.

Les parties 9 et 10 du clapet se recouvrent également l'une l'autre à hauteur et de chaque côté de l'axe 3 afin de recevoir en appui les bords 73, 83 en recouvrement des surfaces 7 et 8. The parts 9 and 10 of the valve also overlap each other at height and on each side of the axis 3 in order to receive the edges 73, 83 in support of the surfaces 7 and 8.

Conformément à l'invention également, les chants 72, 82 des surfaces 7 et 8 ainsi que les chants 9,, 101 des parties 9 et 10 du siège du clapet, sont sur la totalité de la périphérie du papillon inclinés dans la même direction par rapport à la direction circulaire de rotation du papillon, de façon que lors de la fermeture du clapet, ces chants viennent s'appliquer l'un contre l'autre sur toute la périphérie du papillon en réalisant une fermeture étanche du clapet. According to the invention also, the edges 72, 82 of the surfaces 7 and 8 as well as the edges 9 ,, 101 of the parts 9 and 10 of the valve seat, are on the entire periphery of the butterfly inclined in the same direction by relative to the circular direction of rotation of the butterfly, so that when the valve is closed, these edges are applied one against the other over the entire periphery of the butterfly by sealing the valve.

On remarque que lors de cette fermeture du clapet, les surfaces 7 et 8 du papillon viennent se placer respectivement dans le plan des parties 9 et 10 du siège de façon à réaliser un autocentrage automatique du papillon dans son siège compte tenu du jeu inhérent du montage à pivotement de l'axe 3 et de façon également que lorsque le clapet est fermé, la zone interne du papillon et du siège de clapet ne puissent pas être en contact direct avec les flammes.  It is noted that during this closing of the valve, the surfaces 7 and 8 of the butterfly are placed respectively in the plane of the parts 9 and 10 of the seat so as to achieve an automatic self-centering of the butterfly in its seat taking into account the inherent play of the assembly. pivoting of the axis 3 and also so that when the valve is closed, the internal zone of the butterfly and of the valve seat cannot be in direct contact with the flames.

Claims (1)

REVENDICATION CLAIM Clapet coupe feu comprenant un papillon (2) monté à pivotement sur un axe (3) afin de s'appliquer sur un siège de clapet (4), clapet caractérisé en ce que le papillon se compose de deux surfaces (7 et 8) décalées dans des plans parallèles, ces surfaces étant disposées de part et d'autre de l'axe de pivotement (3) et en ce que le siège de clapet se compose de deux parties de siège (9 et 10) décalées de manière correspondante, les chants s 82) de ces deux surfaces d'une part et les chants (91 101) de ces deux parties de siège d'autre part, étant inclinés dans la même direction par rapport à la direction circulaire de rotation du papillon.  Fire damper comprising a butterfly (2) pivotally mounted on an axis (3) in order to be applied to a valve seat (4), valve characterized in that the butterfly consists of two offset surfaces (7 and 8) in parallel planes, these surfaces being arranged on either side of the pivot axis (3) and in that the valve seat consists of two seat parts (9 and 10) offset correspondingly, the edges 82) of these two surfaces on the one hand and the edges (91 101) of these two seat parts on the other hand, being inclined in the same direction relative to the circular direction of rotation of the butterfly.
FR9402715A 1994-03-09 1994-03-09 Fire damper. Expired - Lifetime FR2717088B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9402715A FR2717088B1 (en) 1994-03-09 1994-03-09 Fire damper.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9402715A FR2717088B1 (en) 1994-03-09 1994-03-09 Fire damper.

Publications (2)

Publication Number Publication Date
FR2717088A1 true FR2717088A1 (en) 1995-09-15
FR2717088B1 FR2717088B1 (en) 1996-04-19

Family

ID=9460841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9402715A Expired - Lifetime FR2717088B1 (en) 1994-03-09 1994-03-09 Fire damper.

Country Status (1)

Country Link
FR (1) FR2717088B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741271A1 (en) * 1995-11-17 1997-05-23 Constantin Pierre Fire=resistant shutter
CN106730500A (en) * 2016-11-22 2017-05-31 上海化工研究院有限公司 In dust gas exhaust piping passive delivery self-locking emergency decompression with isolate fire retardant device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2165661A5 (en) * 1971-12-21 1973-08-03 Trox Gmbh Geb
AT324631B (en) * 1972-10-04 1975-09-10 Wukovich Ohg Peter FIRE AND SMOKE FLAP
DE2708109A1 (en) * 1977-02-25 1978-08-31 Schako Metallwarenfabrik Fire barrier flap for ventilating duct - has swivel mounting in frame forming closed duct outside with strips as seals set in frame recesses
EP0020921A1 (en) * 1979-07-03 1981-01-07 GebràœDer Sulzer Aktiengesellschaft Fire wall
US4271858A (en) * 1978-11-08 1981-06-09 Charles Winn (Valves) Limited Butterfly valve having temperature responsive sealing means

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2165661A5 (en) * 1971-12-21 1973-08-03 Trox Gmbh Geb
AT324631B (en) * 1972-10-04 1975-09-10 Wukovich Ohg Peter FIRE AND SMOKE FLAP
DE2708109A1 (en) * 1977-02-25 1978-08-31 Schako Metallwarenfabrik Fire barrier flap for ventilating duct - has swivel mounting in frame forming closed duct outside with strips as seals set in frame recesses
US4271858A (en) * 1978-11-08 1981-06-09 Charles Winn (Valves) Limited Butterfly valve having temperature responsive sealing means
EP0020921A1 (en) * 1979-07-03 1981-01-07 GebràœDer Sulzer Aktiengesellschaft Fire wall

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741271A1 (en) * 1995-11-17 1997-05-23 Constantin Pierre Fire=resistant shutter
CN106730500A (en) * 2016-11-22 2017-05-31 上海化工研究院有限公司 In dust gas exhaust piping passive delivery self-locking emergency decompression with isolate fire retardant device
CN106730500B (en) * 2016-11-22 2020-01-03 上海化工研究院有限公司 Unpowered self-locking type emergency pressure relief and isolation fire retardant device in dust collection exhaust pipeline

Also Published As

Publication number Publication date
FR2717088B1 (en) 1996-04-19

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