NZ762421B2 - Fire stop system and method of constructing such system - Google Patents
Fire stop system and method of constructing such systemInfo
- Publication number
- NZ762421B2 NZ762421B2 NZ762421A NZ76242118A NZ762421B2 NZ 762421 B2 NZ762421 B2 NZ 762421B2 NZ 762421 A NZ762421 A NZ 762421A NZ 76242118 A NZ76242118 A NZ 76242118A NZ 762421 B2 NZ762421 B2 NZ 762421B2
- Authority
- NZ
- New Zealand
- Prior art keywords
- sleeve element
- heat conductive
- conductive body
- cavity
- wall
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/065—Physical fire-barriers having as the main closure device materials, whose characteristics undergo an irreversible change under high temperatures, e.g. intumescent
-
- 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
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/70—Cooling of pipes or pipe systems
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
Abstract
Fire stop system (100) for preventing fire (4) spreading from one room to an adjacent room via a heat conductive body (1) which extends from said one room to said adjacent room via an opening (3) in a wall (2) separating the rooms from each other. The fire stop system comprises a sleeve element (10) and at least one mounting part. By means of the at least one mounting part (11), the sleeve element is mounted in a position adjacent to the wall and surrounding the heat conductive body at a predetermined gap (5), in such a way that a cavity is present between the heat conductive body and the sleeve element. The sleeve element has holes which are arranged to allow a discharge of heated air from the cavity and a supply of ambient air into the cavity and thereby creating an air flow for cooling the heat conductive body.
Claims (17)
1. A method of constructing a fire stop system for preventing fire spreading from one room to an adjacent room via a heat conductive body which extends from said one room to said adjacent room via an opening in a wall separating said rooms from each other, the method comprising the steps positioning a sleeve element by means of at least one mounting part in a position adjacent to the wall and surrounding the heat conductive body at a predetermined gap, such that a cavity is present between the heat conductive body and the sleeve element, the sleeve element having holes which are arranged to allow a discharge of heated air from the cavity and a supply of ambient air into the cavity and thereby creating an air flow for cooling the heat conductive body; and leaving said cavity substantially unfilled wherein the sleeve element has an axial dimension, measured in axial direction of said sleeve element, and a diametric dimension, being a maximum measured perpendicular to said axial direction, said axial dimension being greater than said diametric dimension.
2. The method according to claim 1, wherein the sleeve element is made of a material that is thermoplastic polymer material.
3. The method according to claim 2, wherein the thermoplastic polymer material is PE, PP or
4. The method according to claim 1, wherein the sleeve element is made of a material that is metal.
5. The method according to claim 4, wherein the metal material is a blank of metal.
6. A method according to claims 4 or 5, wherein said metal is bent to surround the heat conductive body.
7. The method according to any one of the preceding claims, wherein said predetermined gap is between 5 and 200 mm.
8. The method according to claim 7, wherein said gap is between 10 and 50 mm.
9. The method according to claim 1, wherein the axial dimension of the sleeve element is between 200 mm and 2000 mm.
10. The method according to claim 1, wherein the axial dimension is between 500 and 700 mm.
11. The method according to any one of the preceding claims, wherein the surface area of said air supply and discharge holes together forms 5 to 50% of the total surface area of the sleeve element.
12. The method according to claim 11, wherein the axial dimension is 10 to 30%.
13. The method according to any one of the preceding claims, wherein the holes are located on opposite sides and/or towards opposite ends of the sleeve element.
14. The method according to any one of the preceding claims, wherein a ring of intumescent material is mounted inside said sleeve element at a proximal end of said sleeve element, said proximal end being proximal to the wall.
15. The method according to any one of the preceding claims, wherein a closing part for closing off a distal end of said sleeve element is provided, said distal end being distal from the wall.
16. The method according to any one of the preceding claims, wherein the sleeve element is composed of at least two segments which have longitudinal edges in axial direction of said sleeve elements, said longitudinal edges being provided for being fixed to each other.
17. A fire stop system obtained by the method as defined in any one of claims 1 to 16. 17103
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17196586 | 2017-10-16 | ||
| PCT/IB2018/057971 WO2019077468A1 (en) | 2017-10-16 | 2018-10-15 | Fire stop system and method of constructing such system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NZ762421A NZ762421A (en) | 2025-05-30 |
| NZ762421B2 true NZ762421B2 (en) | 2025-09-02 |
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