Application purpose:
- For pipeline communications made of combustible plastic materials (PP, PE, PVC)
- For residential (including multi-apartment) buildings, hotels and hostels, social and medical institutions, shopping centers, airports and railway stations, industrial enterprises, etc
- To protect premises from fire and smoke
Characteristics:
- The case is detachable, there is a tie-lock, so that the fire coupling can be used on already installed pipelines;
- Metal parts are powder coated for corrosion protection;
- Swelling ratio: not less than 900%;
- Product color: red;
- Lock type: "Frog";
- Fire resistance limit: 180 minutes;
- Service life: 30 years.
Operating principle:
During a fire, the thermally expanding liner of the fire muff expands tenfold, resulting in the formation of a solid foam-coke foam that fills the hole in the ceiling. This is quite effective at blocking fire.
Installation method
![](/system/rich/rich_files/rich_files/000/001/904/original/2022-07-03-22-27-20.png)
PM structure
- The case is a metal cuff and is made of cold-rolled or galvanized steel (thickness from 0.5 to 2 mm). Painted with weatherproof paint.
- The case is connected using a reliable Russian-made latch made of galvanized steel.
- The fire-retardant liner is located inside the coupling, held by the cloves bent inward. They also provide directional expansion of the fire retardant liner during a fire.
- The eyelets with holes can be easily bent. Their length is 35 mm, which simplifies installation.
Size |
Inner diameter |
Height |
Outside diameter |
Insert thickness |
Weight |
|
mm |
mm |
mm |
mm |
kg |
PM-90 |
90 |
50 |
110 |
7 |
0,275 |
Download installation instruction:
OGNEZA Fire collar