OGNEZA Fire prevention symmetrical sleeve, d 50, d1 200 (price on request) [Code number: pm_50_200]

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:

• It is an elongated fire sleeve equipped with two liners made of thermally expandable material (one on each side);
• Provides double fire protection - just one sleeve is enough for the length of the entire ceiling;
• The body is detachable, there is a tie-lock, so that the symmetrical fire coupling can be used on already installed pipelines;
• Metal parts are powder coated for corrosion protection;
• The clutch begins to work already at the 15th second when the temperature rises to +150 ° C, the complete overlap of the assembly occurs at the fourth minute;
• Swelling ratio: not less than 900%;
• Product color: grey;
• 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.