Chemolli Firebolt A2.0

Active bolt for fire resistance doors is projected to eliminate the deformation where it is positioned, between the door leaf and fixed frame, doors leaf and door leaf, door leaf and support . Cylindrical nickel-plated metal body in one piece machined from billet, dimensions 14×42 mm, fixing flange 25x3mm. The weight of the complete device with the striker plate: 51 grams. Thermofusible element with ignition temperature of 110-150° C.