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Chemolli Firebolt A2.1 Big – Active Fire Bolt

Chemolli Firebolt A2.1 Big – Active Fire Bolt

Chemolli Firebolt A2.1 Big is an active bolt for fire resistant doors designed to eliminate deformation where installed, between leaf and frame, between leaves, or between leaf and support, specifically engineered for use on metal doors.

Chemolli Firebolt A2.1 Big has a single-piece galvanised metal cylindrical body machined from solid, measuring 19×52 mm, with a 32×3 mm fixing flange in various finishes screwed onto the body. Conical metal retaining pin, with a variable diameter from 9 to 7 mm, 28 mm length and 18 mm stroke. Internal compression spring with 25 N thrust, heating element to be installed if necessary.

Weight of the device, complete with striker: 96 grams. Thermofusible element with an activation temperature of 190°C.

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Chemolli Firebolt A2.1 Big – Active Fire Bolt