Anhui fire doors | inorganic cloth fire shutter doors | steel composite fire shutter doors

1. The role of fire shutter? Fire shutter is mainly used in industrial and civil buildings in the fire district. Fire shutter with overall intelligent building fire command system network, but also through its own smoke, heat detectors single action. In case of fire, the fire intelligent command system, can issue instructions so that the volumes door closed; also available through smoke, heat detectors to detect the smoke, temperature sense signal is transmitted to the controller, to give volumes door machine an operation command, make fire shutter complete down two steps down, turn off etc, so as to prevent the spread of fire and smoke. ? Fire shutter is usually on the top of the volume (or side) of the shaft inside when the fire will expand it down to prevent the spread of fire to fire, the role of smoke, play fire separation purposes. ? 2. The fire shutter scope? Common set parts of stairwell front room, elevator hall, escalators around the openings of the atrium floor, the workshop of large openings and large-area building process in setting up a firewall There are parts of other difficulties. ? 3. fire shutter free? Fire shutter into steel, inorganic fiber composites (and grade, super fire shutter) according to their performance of the structure. Fire shutter fire resistance of not less than three hours. Super fire shutter is in line with the fire integrity, insulation and smoke performance shutter. ? Another type steam fog steel fire shutter, track dual curtain inorganic compound fire shutter Vapour-type inorganic compound fire shutter all part of super fire shutter. ? When the common type of steel fire shutter for fire separation, the need for fire shutter should be protected by automatic sprinkler system. 4. Composition and structure fire shutter? Fire shutter release by the door, gearing, electric equipment, box, cut off, temperature, base, guide and control agencies. The entire assembly is enclosed within the drum body includes operation balancer, automatic closing mechanism, metal cover and curtain panels and other parts. ?