OGNEZA PM Fire prevention sleeve, lock type "Light", gray, d 160 [Code number: 1r0058]

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: gray;
• Lock type: Light;
• 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

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.

Download installation instruction: OGNEZA Fire collar