For installation in places of passage of cables, pipelines of engineering systems, technological pipelines
Characteristics:
due to the fact that the coupling body is detachable, it can be mounted on an already laid cable line;
metal parts are powder coated to reduce corrosion (colour: grey);
triggers approximately 15 seconds after the temperature rises to +150°C;
expansion coefficient: not less than 900%;
the fire resistance limit is 180 minutes;
service life: 30 years (at temperatures from -50 to +80°C).
Installation recommendations:
the thickness of the walls where the cable passage is mounted must be at least 150 mm;
the cable sleeve is installed on both sides in a metal sleeve in the ceiling along the cable lines. If there is no sleeve, installation is possible in a hole sealed with mineral wool;