發布人：http://www.levels4life.com 發布時間：2018-03-15 17:39:38
A closed staircases, leading to the aisle; closed elevator, leading to the front and front door to the walkway.
Two, the inspection door of the vertical pipe well, such as the cable well, the pipe well, the exhaust flue and the garbage road.
Three, divide the fireproof area, control the wall of the partition building area and the door on the fireproof wall. When a building has a firewall or a fireproof door, it should be replaced by a fire curtain door and water curtain protection.
Four, to standardize or design separate door for fireproof and smoke proof walls. For example, the equipment room attached to the fixed fire extinguishing device in the high-rise civil building, and the partition door of the ventilation and air conditioning room shall adopt a class a fireproof door.
It is the most common failure for Ji'nan rolling shutters to not pull down or push them up. Most of the reasons are caused by long sliding friction on both sides of the chute. Some places may be damaged, so they are not very good. Again, the spring on the curtain door may have a bad side, causing a bad direction and a bad pull.
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