EP2021676A2 - Raccord de tuyau de protection contre l'incendie, raccordement de tuyau de protection contre l'incendie, et système de tuyauterie - Google Patents

Raccord de tuyau de protection contre l'incendie, raccordement de tuyau de protection contre l'incendie, et système de tuyauterie

Info

Publication number
EP2021676A2
EP2021676A2 EP07725165A EP07725165A EP2021676A2 EP 2021676 A2 EP2021676 A2 EP 2021676A2 EP 07725165 A EP07725165 A EP 07725165A EP 07725165 A EP07725165 A EP 07725165A EP 2021676 A2 EP2021676 A2 EP 2021676A2
Authority
EP
European Patent Office
Prior art keywords
fire
support
pipe connector
intermediate piece
connector according
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Withdrawn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
EP07725165A
Other languages
German (de)
English (en)
Inventor
Günter Schilde
Rüdiger Werner
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.)
Dueker GmbH
Original Assignee
Eisenwerke Fried Wilh Dueker GmbH and Co KGaA
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 Eisenwerke Fried Wilh Dueker GmbH and Co KGaA filed Critical Eisenwerke Fried Wilh Dueker GmbH and Co KGaA
Publication of EP2021676A2 publication Critical patent/EP2021676A2/fr
Withdrawn legal-status Critical Current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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/1026—Fire protection devices
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing
    • F16L5/04—Sealing to form a firebreak device
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing
    • F16L5/12—Sealing the pipe being cut in two pieces

Definitions

  • the invention relates to a fire pipe connector for pipes in particular from a fire-resistant material, also a high-tensile fire protection pipe connection and a piping system also for pipes made of fire-resistant material.
  • the invention is therefore an object of the invention to provide a fire pipe connector for pipes made of fire-resistant material.
  • a fire pipe connector for pipes made of fire-resistant material comprising a first receptacle for a first end piece of a first tube forming receiving socket made of an elastic, with the first end tightly connectable material, a second receptacle for a second end piece of a second tube forming receiving socket made of an elastic, with the second end piece tightly connectable material, a tightly between the first and the second receiving socket connected thereto intermediate piece, which from a resistant to fire heat from a medium guided by the tubes, however When exposed to fire heat without stiffness material is prepared, arranged on a passage portion of the intermediate piece facing support of a heat-expanding and forming a refractory body forming material and the receiving socket and the intermediate piece supporting cuff made of a heat-conductive fire-resistant material.
  • the advantage of the solution according to the invention is the fact that on the one hand through the intermediate piece, the leadership of media through the pipe is easily and safely possible, on the other hand, however, in fire heat exposure, the spacer loses its rigidity and that the support from the expanding under fire heat material expands, displaces the intermediate piece and forms a refractory rigid body, which fills the space within the support sleeve and thereby closes at least one of the tubes in the region of its end piece, this closure of the at least one end piece is assisted by the fact that the support is enclosed by a support sleeve so that with the material of the expandering in terms of volume edition primarily only the possibility of collapsing the intermediate piece and form the refractory rigid body between the end pieces of the tubes and if necessary ls still spread in the pipes. This creates a secure way to prevent the passage of hot gases through the pipes over the fire pipe connector in case of fire.
  • the stiff body formed from the material of the support has a low thermal conductivity, thereby reducing or suppressing heat transfer between the end pieces, and thus, in case of fire, there is a substantial thermal decoupling of the pipes.
  • the fire pipe connector according to the invention is able to meet the European standard EN 13501 and EN 1366-3 and the German standard DIN 4102-11.
  • the support is arranged at least circumferentially around the intermediate piece.
  • the support is designed to enclose the intermediate piece in order to thus ensure a collapse of the intermediate piece in case of fire.
  • the support extends in the axial direction over at least a portion of the intermediate piece.
  • the support extends in the axial direction at least over the entire intermediate piece, so that a sufficient amount of expanded material is available for the formation of the refractory rigid body.
  • at least one of the receiving nozzles is provided in the radial direction on its side facing away from the respective end piece with a support of a material which expands under the influence of fire heat and forms a refractory body.
  • Such an arrangement of the overlay has the advantage that when exposed to fire, a refractory body extends adjacent the firewall connector, which extends around the end of the pipe leading into the firewall connector and into and around the firewall connector and, for example, a pipe breakthrough in a wall or a ceiling of a building can close.
  • the support it would be conceivable for the support to extend at least in partial circumferential areas of the receiving nozzle.
  • the support extends in the circumferential direction around the respective receiving socket.
  • the support between the support sleeve and the respective receiving socket is arranged.
  • the support preferably extends as far as an end face of the support sleeve since this makes it possible to obtain an optimum design of the refractory rigid body forming the end of the fire protection connector around the end piece guided in this end piece.
  • the support extends to an end face of the respective receiving neck.
  • a particularly favorable solution provides that arranged on the intermediate piece and on one of the receiving socket support is a contiguous support, which extends in total in the axial direction over the receiving socket and the intermediate piece.
  • the support forms a sleeve extending around the intermediate piece and the respective receiving socket.
  • the support extends over the first receiving socket, the intermediate piece and the second receiving socket and, in particular, surrounds the latter as a sleeve, so that the refractory rigid body is formed on both sides of the end of the fire-tube connector.
  • the intermediate piece was not specified in terms of its length.
  • the intermediate piece in the axial direction has a length which corresponds to at least one third, preferably half of the passage cross-section. It is even better if the intermediate piece in the axial direction has a length which corresponds at least approximately to a passage cross-section.
  • the first receiving socket and the second receiving socket can be integrally formed on the intermediate piece.
  • the intermediate piece is formed from plastic, in particular from a plastic tube, which may be made of PVC or PE, for example.
  • first intermediate piece receiving socket made of an elastic, tightly connected to the intermediate piece material is integrally formed on the first receiving socket.
  • a second intermediate piece receiving nozzle from an elastic, tightly connected to the intermediate piece material is integrally formed.
  • an intermediate layer of an expanding fire under heat and forming a refractory rigid body forming material which preferably begins to expand before the pad and pushes the stiffness intermediate piece in a central area.
  • the support comprises a layer of the material which expands under the influence of the action of fire heat and a support layer, in particular a fiber layer.
  • a fibrous layer provides in the expanding material these interpenetrating fibers that enhance cohesiveness of the expanding material and increase stiffness of the refractory body.
  • the supporting sleeve has a clamping region for the first receiving socket.
  • the support sleeve has a clamping region for the first adapter receiving socket. Furthermore, it is also advantageous if the support sleeve has a clamping region for the second adapter receiving socket.
  • the support sleeve has a support region extending from the clamping region for the first receiving socket to the clamping region for the second receiving socket, since such a support region substantially contributes to the fact that the material expanding under the action of fire heat penetrates into the interior of the intermediate piece and also into the interior Inside of the tubes expands into it and not evade undefined.
  • Such a support region also serves to supply heat by heat conduction of the support in the region of the intermediate piece, and thus to cause the support in the region of the intermediate piece as soon as possible to heat to start expanding fire heat.
  • the support sleeve provides optimal support and also also allows a mechanically rigid connection between the end pieces of the tubes, it is preferably provided that the support sleeve acts with radial tension on the respective receiving socket.
  • the support sleeve it is expedient for the support sleeve to have screw-on clamping flanges, at least in the clamping regions.
  • the invention also relates to a fire pipe connection, comprising a fire pipe connector, in particular a fire pipe connector according to one or more of the preceding embodiments, which has on a side facing away from the second pipe a first clamping claw for a first pipe and on a first Tube side facing away from a second clamping claw for the second tube is provided, wherein the first and the second clamping claw is connected by a tension strut from a zugsteifen without exposure to heat and a fire heat exposure maximum thermal conductivity in the order of glass-containing material.
  • the advantage of this solution is the fact that the fire pipe connection in non-fire a rigid, especially tensile stiffness of the pipes ensures, but does not have the disadvantage in case of fire, the heat conduction of one of the pipes to favor others.
  • the latter is achieved by limiting the thermal conductivity to that of glass, a condition but can also be met by the fact that the train in thermal conditions degrades or burns down.
  • the at least one tie bar is provided with an expanding fire under heat and a refractory expanded rigid body forming material support.
  • the material support to surround the tension strut at least in sections.
  • a particularly favorable solution provides that the material support surrounds the tension strut on the circumference.
  • the material support extends at least in sections between the clamping claws.
  • a particularly favorable solution provides that the material support extends over the extension of the tension strut between the clamping claws.
  • the tension strut With regard to the connection of the tension strut with the clamping claws so far no further details have been made. For example, it would be conceivable for the tension strut to be arranged, in particular clamped, between two half shells of the tensioning claw.
  • connection between the tension strut and the half-shells can be realized such that the tension strut is clamped between the half shells of the respective clamping claw or is held in a form-fitting manner by insertion between the two half shells.
  • the tension strut could be made of a material comprising glass fibers or carbon fibers.
  • tension strut since the tension strut only has to transmit tensile forces until a fire occurs, it would also be conceivable to design the tension strut from a material which is stiff or thermally degrading or even burns down when exposed to fire heat.
  • the tension strut from a plastic, for example PVC or PE.
  • the invention relates to a fire-resistant pipe system, in particular from fire-resistant pipes, which is guided by at least one building-side pipe breakthrough.
  • a fire pipe connector according to one of the embodiments described above is provided, wherein the fire pipe connector is arranged relative to the pipe breakthrough that this is with the end face of the support sleeve in the region of the receiving port in the pipe penetration and that the support sleeve with at least half of its extension in the axial direction after the pipe breakthrough projects into a fire-prone room without insulation.
  • the fire pipe connector is arranged so that it projects into the pipe opening with a part of the support sleeve enclosing the respective receiving socket.
  • a sound insulation material is arranged, which is displaceable by forming in the pipe aperture following the fire pipe connector and the pipe enclosing refractory rigid body.
  • Fig. 1 is a perspective view of an embodiment of a fire pipe connector according to the invention
  • Fig. 2 is a section in a vertical plane through the line 2-2 in
  • Fig. 3 is an enlarged view of a region A in Fig. 2;
  • Fig. 4 is a fragmentary view of a piece of material a
  • FIG. 5 is a perspective view of an embodiment of a fire-resistant pipe system according to the invention.
  • Fig. 6 is a section along a vertical plane through line 6-6 in
  • Figure 7 is a section similar to Figure 2 after the formation of an expanded refractory and rigid body in the pipe connector according to the invention.
  • Fig. 8 is a view similar to Fig. 6 after formation of the expanded refractory and rigid body from the overlay;
  • FIG. 9 shows a section similar to FIG. 5 through a second exemplary embodiment of a pipeline system according to the invention.
  • FIG. 10 shows a section similar to Figure 6 through the second embodiment of the piping system according to the invention ..;
  • FIG. 11 is a perspective view of a fire protection pipe connection according to the invention.
  • Fig. 12 is a section along a vertical plane through line 12-12 and
  • FIG. 13 is a fragmentary view of a region X in FIG. 12.
  • a first exemplary embodiment of a fire protection pipe connector 10 according to the invention shown in FIGS. 1 and 2 serves to connect a first end piece 12 of a first pipe 14 and a second end piece 16 of a second pipe 18.
  • the first pipe 14 and the second pipe 18 are preferably metal pipes, in particular cast iron pipes.
  • Such pipes are usually used for the discharge of media, in particular wastewater in the private, commercial or industrial sector.
  • the pipe connector 10 has a first receptacle 20 for the first in this insertable end piece 12 and a second receptacle 22 for the insertable into this second end piece 16, wherein the end pieces 12 and 16 in the receptacles 20 and 22 can be inserted.
  • the receptacles 20 and 22 are formed by sealing collars 24 and 26, which each have a, the first receptacle 20 forming the first receiving socket 30 and a second receptacle 22 forming the second receiving port 32 and a first intermediate piece receiving socket 34 and a second intermediate piece receiving socket 36, so that the first receiving port 30 and the first adapter receiving port 34, the first Seal 24 form, while the second receiving port 32 and the second adapter receiving socket 36, the second sealing collar 26 form.
  • each of the sealing collars 24 and 26 between the receiving socket 30 and 32 and the intermediate piece receiving socket 34 and 36 still has a stop ring 40 and 42, which extends radially inwardly and in each case a stop for a first end face 44 of the first tube fourteenth or a second end face 48 of the second tube 18 forms.
  • both the receiving socket 30 and 32 and the intermediate piece receiving nozzle 34 and 36 are still provided with a plurality of circumferential and radially inwardly standing sealing ribs 50 and 52 and 54 and 56, respectively, for the one of the tubes 14 and 18 to be led medium ensure a tight financial statement.
  • the sealing collars 24, 26 are made for example of elastomers or rubber and in the simplest case, sealing collars such as those used in conventional tube connectors without fire protection effect.
  • intermediate piece receiving nozzle 34 and 36 engages a designated as a whole with 60 intermediate piece with its in the adapter receiving socket 34, 36 insertable end pieces 62 and 64, which also due to the sealing ribs 54 and 56 with the adapter receiving socket 34 and 36 close tight.
  • the end pieces 62 and 64 lie with their end faces 66 and 68 also on the stop rings 40 and 42 of the sealing collars 24, 26 on the end faces 44 and 48 of the tubes 14 and 18 opposite sides.
  • the intermediate piece 60 is preferably formed as a pipe section and has an inner passage 70 enclosed by an inner passage cross-section DQ, which essentially corresponds to a passage cross-section DQ of the tubes 14, 18, in particular with this is identical, so that in the field of fire pipe connector 10 no change in Flow conditions occurs.
  • the intermediate piece 60 is formed according to the invention of a material which is resistant to the media to be led from the pipes 14, 18, that is, in particular the wastewater mentioned at the beginning, but on the other hand loses its stiffness when exposed to fire heat, and is particularly suitable Fire heat with respect to its passage cross section DQ to collapse.
  • such intermediate pieces 60 are made of plastic materials, for example PVC or PE.
  • the intermediate piece 60 carries on its, opposite the inner wall 70 outer wall 80 in the region between the intermediate piece receiving nozzle 34 and 36 an intermediate support 82 from an expanding fire under heat and a refractory rigid body forming material, in particular an intumescent material.
  • the intermediate support 82 can thereby extend closed around the outer wall 80 of the intermediate piece 60, but it can also lie only in the circumferential direction in sections on the outer wall 80, so that in each case between individual sections of the intermediate support free spaces exist.
  • the fire protection pipe connector 10 is further provided with a support 84 of an expanding under fire heat and a refractory rigid body forming material, in particular an intumescent material, which extends at least with a portion 86 via the intermediate piece 60, wherein the portion 86 both at least partially rests on the adapter receiving socket 34 and 36 as well as on the intermediate support 82nd
  • the support 84 extends in the axial direction 28 via the adapter receiving socket 34, the intermediate support 82, and via the adapter receiving socket 36.
  • the support 84 may be circumferentially closed around the intermediate piece receiving stubs 34 and 36 as well as the entire intermediate piece 60 and in particular the support 82 extend around or have individual circumferentially successive and spaced apart sections.
  • both the intermediate pad 82 and the pad 84 are constructed of a sheet having a first layer of material 110 comprising the material which expands under exposure to fire heat and forming a refractory rigid body, and a backing layer 112, which has a supporting fiber structure 113, which keeps coherent in the course of its formation the fireproof, rigid body forming under the action of fire heat and thus additionally holds together in the solidified state and thus stabilized.
  • the material forming the first material layer 110 is an intumescent material which expands by a factor of at least a factor of 100, more preferably by a factor of more than 200, in terms of its volume when exposed to a fire.
  • fire heat a heat, in which a temperature of about 150 0 C in the intumescent material is exceeded.
  • the pads 82 and 84 which have preferred materials already the first material layer 110 and support layer 112, the materials are as Promaseal or PROMASTOP ® of the company Promat ®, 40878 Ratingen, the thick as a few millimeters slides are available, the supporting Fiber structure 113 is a fiber reinforcement and in particular are still self-adhesive.
  • the overlay 84 is formed of two plies 114 and 116, each having the first material layer 110 and the supporting fiber structure 112.
  • the entire fire pipe connector 10 further includes an outer support sleeve 120 which extends in the axial direction 28 both over the sealing collars 24 and 26 and over the intermediate piece 60 away, wherein the support sleeve 120 a first clamping portion 124 for applying the sealing sleeve 24 and a second clamping region 126 for applying the sealing collar 26 in the radial direction in order to obtain an optimum seal in the region of both sealing collars 24 and 26 by radial pressure both in the region of the receiving socket 30, 32 and the intermediate piece receiving nozzle 34, 36.
  • the support sleeve 120 still has a support portion 128 which engages over the intermediate piece.
  • the support sleeve 120 extends in the axial direction 28 to end faces 130 and 132, which are approximately in the same axial position as the end faces 100 and 102 of the receiving socket 30 and 32.
  • a radial loading of both the support 84 and the sealing collars 24 and 26 possible in that the support sleeve 120 a the support 84 and the sealing collars 24 and 26 acting and similar to a slotted sleeve formed body 134th which carries in the region of a longitudinal slot 136 clamping flanges 140 and 142 which are clamped with clamping screws 144 and 146 toward each other, as this is shown in Fig. 1, so that the slot 136 is reduced and optionally closes and thus takes place under reduction in circumference, a radial loading of the support 84 and the sealing collars 24 and 26.
  • the fire pipe connector 10 according to the invention is to be mounted so that one of the end faces 130 or 132 of the support collar 120, For example, the end face 132 of the support sleeve 120 is located in the pipe opening 152, preferably over an installation distance E, is inserted, wherein the installation distance E corresponds to a maximum of half the extension of the support sleeve 120 in the axial direction 28.
  • the installation distance E is a maximum of one third, more preferably a maximum of a quarter of the axial extent of the support sleeve 120 in the axial direction 28th
  • the support sleeve 120 protrudes over a free distance F into a space 156 which adjoins the wall or the ceiling 154, in which a firing of the piping system 150 can take place.
  • this also causes the intermediate support 82 to be heated to a temperature of more than 150 ° C.
  • the material of the sealing collars 24 and 26 begins to degrade and also begins in the temperature ranges of about 15O 0 C, the material of the pads 82 and 84 expand its volume under compression and / or constriction of the stiffness intermediate piece 60, such that a refractory body 160 occluding the passage cross section DQ within the support collar 120 is formed, which completely closes the passage cross section DQ within at least one of the tubes 14 and 18 in a fireproof manner (FIG. 7).
  • the volume increase expanding refractory material of the layer 84 displaces the decomposed by fire heat material of the sealing sleeves 24, 26 and fills the space between the end pieces 12 and 16 and the support sleeve 120, so that the piping 150 in the event of fire in the area of the support sleeve 120 overlapped end pieces 12 and 16 has a mechanical stability.
  • the support 84 as shown in FIG. 7 and even better in FIG.
  • a sound insulation material 172 is additionally arranged in the pipe opening 152 between the pipe 18 and the support sleeve 120, then this sound insulation material 172 will also degrade to the space 156 and thus decay by the action of the fire heat, whereby the then decomposing sound insulation material of the forming refractory body 170 is displaced in the tube opening 152.
  • the piping system 150 becomes, as in FIG 10 and 10, designed so that fire protection tube 10 are used on both sides of the tube breakthrough in the wall or ceiling, each projecting into the tube opening 152, so that, for example, end faces 132 and 130 within the tube opening 152 of the wall or ceiling 154.
  • a fire pipe connector 10 is used in the manner described above.
  • Such a high-tensile fire protection pipe connection furthermore comprises a first clamping claw 182 arranged on a side of the fire protection pipe connector 10 remote from the second pipe 18 for the first pipe 14 and a second clamping claw 184 for the second pipe 18 arranged on a side of the fire protection pipe connector 10 remote from the first pipe 14. both by at least one zugsteife without exposure to heat tensile bar 186 from a tensile without the action of fire heat and when exposed to heat a thermal conductivity in the order of glass having material, such as a plastic material, such as PVC or PE, is made.
  • the tension strut 186 is at least in partial areas of its extension between the first clamping claw 182 and the second clamping claw 184 provided with a Wernerlage 188 from a fire heat exposure expanding and a refractory expanded, rigid body forming material, for example, intumescent material.
  • the Buchstrebenauflage 188 extends either over portions of the longitudinal extent of the tension strut 186 between the clamping claws 182 and 184 or over portions in the circumferential direction of the tension strut 186 or covers the entire tension strut 186 either in the circumferential direction and / or in its longitudinal direction between the clamping claws 182 and 184th ,
  • the clamping claws 182 and 184 preferably lie on either side of the wall or ceiling 154 and the at least one tension strut 186 penetrates the pipe opening 152, which may be provided with a sound insulation material 172 is filled.
  • the material of the Buchstrebenauflage 188 When firing from one of the spaces 156, 176, the material of the Buchstrebenauflage 188 also expands by a multiple and expands in the pipe opening 152, possibly with displacement of the sound insulation material 172, the sound insulation material degrades 172 when exposed to fire heat.
  • FIG. 11 and 12 shows only a tension strut 186, but preferably in the fire protection pipe connection according to the invention lying on opposite sides of the tubes 14 and 18 and the clamping claws 182, 184 connecting tie rods 186 are used. Further, preferably the clamping claws 182 and 184 of two half-shells 190 and 192, provided with end-side clamping flanges 194 and 196, formed, which can be put around the tubes 14, 18 and clamped by clamping screws 198 with each other.
  • the half-shells 190 and 192 in this case have claws 200, which dig into the respective tube 14, 18 in order to establish a firm connection with the respective tube 14 or 18 can.
  • the respective tension strut 186 is arranged such that, as shown in FIG. 13, it can be clamped between the clamping flanges 194 and 196 with a holding section 202, wherein the holding section 202 preferably also has bores 204, which are penetrated by the clamping screws 198. so that a positive fixing of the holding portions 202 with each of the clamping claws 182 and 184 takes place.
  • tie rod support 188 extends in each case in the direction parallel to the axial direction 28 up to the respective clamping claw 182, 184.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)

Abstract

L'invention concerne un raccord de tuyau de protection contre l'incendie utilisé pour des tuyaux notamment en un matériau résistant au feu, raccord caractérisé en ce qu'il comprend : un manchon de réception formant un premier logement pour une première pièce d'extrémité d'un premier tuyau, fabriqué en un matériau élastique pouvant être raccordé de manière étanche avec la première pièce d'extrémité, un manchon de réception formant un second logement pour une seconde pièce d'extrémité d'un second tuyau, fabriqué en un matériau élastique pouvant être raccordé de manière étanche avec la seconde pièce d'extrémité, une pièce intermédiaire entre le premier et le second manchons de réception, pouvant être raccordée de manière étanche avec ceux-ci, et fabriquée en un matériau résistant à un milieu circulant dans les tuyaux, ledit matériau n'étant pas affecté par la chaleur générée par un feu, tout en étant non rigide sous l'effet d'une telle chaleur, un support disposé sur un côté opposé à la zone de pénétration de ladite pièce intermédiaire, fabriqué en un matériau se dilatant sous l'effet de la chaleur générée par un feu et formant un corps rigide réfractaire, et une manchette support entourant les manchons de réception et la pièce intermédiaire, fabriquée en un matériau résistant au feu et thermoconducteur.
EP07725165A 2006-05-26 2007-05-12 Raccord de tuyau de protection contre l'incendie, raccordement de tuyau de protection contre l'incendie, et système de tuyauterie Withdrawn EP2021676A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610026190 DE102006026190A1 (de) 2006-05-26 2006-05-26 Brandschutzrohrverbinder, Brandschutzrohrverbindung und Rohrleitungssystem
PCT/EP2007/004245 WO2007137692A2 (fr) 2006-05-26 2007-05-12 Raccord de tuyau de protection contre l'incendie, raccordement de tuyau de protection contre l'incendie, et système de tuyauterie

Publications (1)

Publication Number Publication Date
EP2021676A2 true EP2021676A2 (fr) 2009-02-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07725165A Withdrawn EP2021676A2 (fr) 2006-05-26 2007-05-12 Raccord de tuyau de protection contre l'incendie, raccordement de tuyau de protection contre l'incendie, et système de tuyauterie

Country Status (3)

Country Link
EP (1) EP2021676A2 (fr)
DE (1) DE102006026190A1 (fr)
WO (1) WO2007137692A2 (fr)

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