OGRAX-PM fire collar, d 50 (for pipes DN 40) [Code number: pm-40/30]

Application purposes:

• For preventing the spread of fire and combustion products through ceilings and walls

Characteristics:

• case consists of two parts
• thickness of the OGRAX flame retardant liner is 10 mm
• keeps operational characteristics at air humidity up to 100% in the temperature range from -50 °C to + 60 °C
• high fire resistance (more than three parts, EI-180)
• easy assembly/disassembly
• no special maintenance
• moisture resistance
• durability
• warranty period of operation - at least 25 years (under conditions precluding corrosion of the metal case)