Henan fireproof door Descending principle of fire rolling shutter door of

(1) After the smoke detector acts, the roller shutter drops to 1.8m above the ground (floor);

(2) After the temperature detector acts, the roller shutter will drop to the bottom.

Henan fire-proof door detailed description:

The fire shutter used for fire separation shall be lowered to the bottom after the fire detector acts; The alarm signal of smoke and temperature detectors and the closing signal of fire shutter shall be sent to the fire control room.

There are many ways to lower the fire shutter: manually - pull the manual zipper, electrically - press the ground electric button, automatically - receive the signal from the smoke temperature sensor or the fire control center, and automatically lower the self weight of the fire - burn the fuse releaser at about 70 degrees Celsius, open the holding brake of the door roller, and the shutter will fall by its self weight.

Extended data:

The rolling shutter door body of Henan fire door is made of high-quality stainless steel and other materials. It is connected by the parallelogram principle, with flexible expansion. The driver is driven by a special motor. The worm and worm gear decelerate. It is equipped with a manual clutch, which can be opened and closed manually in case of power failure. The rolling shutter door is of telescopic lattice type, and the Henan fire door has the characteristics of stable opening and closing, perspective door body, and small occupation of space after opening.

By setting an intelligent infrared anti climbing device, the system will give an alarm immediately when someone climbs the door, so as to ensure the safety inside the door. Special profile: high hardness zinc aluminum alloy profile with different geometric shapes of ribs can greatly enhance its strength. The surface is treated with special electrophoresis, which has infinite luster, is not easy to stick dust, is not corroded by polluted gas, and is never rusty, and has a long shelf life.