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

Article: 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.

Size Outside diameter Through Hole Diameter (minimum) Inner diameter Length Insert thickness
  mm mm mm mm mm
PM-50 59 62 40, 50 200 4+(4)