Firestop collar for special applications for mechanical systems penetrations
AF COLLAR C is a special fire protection element certified under EN 1366-3 for up to EI 240 protection of combustible pipe penetrations with bends or branches adjacent to walls/floors.
Its "C" shape enables to follow the pipe's curved profile and avoid the more complex construction of box protections in gypsum or silicate-based slabs.
Appearance: stainless steel "C" box
Available sizes: from 110-250 mm
Free expansion: >20:1;
Activation temperature: ± 180°C.
Class EI 240 (UNI EN 1366-3) rigid floor;
Class EI 180 (UNI EN 1366-3) rigid wall;
Class EI 120 (UNI EN 1366-3) flexible wall.
Packaging and Storage
Unlimited under normal storage conditions