Rapid fire protection duct (OBO's PYROLINE) is made from sheet steel with a profiled lid closing contour and an intumescent interior coating. If there is a fire, this provides active fire load encapsulation and safe prevention of the fire spread. This means that the escape and rescue routes remain free from fire and smoke. Rapid fire protection duct(PYROLINE) is tested and approved as an escape route duct for the classes I30 to I120. The shape matches the standard Rapid 80 cable routing duct and the lids can simply be locked into the base. This also creates the equipotential bonding. • safe prevention of fire spread •Protection of escape routes against cable fire •Shape factor as with Rapid cable routing duct • Lid equipotential bonding through locking brackets •No screw ends in the interior - no risk of cable damage Bornika is the exclusive agent of OBO Bettermann in the fields of consultation, sales and distribution of power industry products including Fire Protection Systems (BSS), is active.