The new passive fire protection systems.
Valsir Collarwings is the new range of fire stop collars produced in compliance with the most recent standards and suitable for installation on plastic waste and drainage pipes. The Collarwings fire stop collars are made of steel and painted with polyester powder fitted with special intumescent inserts which, in the event of the fire, expand and squeeze the pipe thus preventing the passage of flames, combustion gas and vapours and acting as thermal insulation.
Certified EI 240 (fire resistance beyond 4 hours) on the wall and according to UNI EN 1366-3
Certified for 7 different materials (PP, HDPE, ABS, SAN+PVC, Triplus®, Silere® and PVC) according to UNI EN 1366-3
Reinforcing flaps creating a mechanical barrier which increases the collar fire resistance
Diameter: from D 32mm to D 160mm
Simple and rapid installation on the wall even on existing pipes