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| Question | Answers to questions |
|---|---|
| Comparison by DOOR TYPE | ☞ Portfolio - Please refer to No. 2. Thank you. |
| What is the concrete working principle of the water wall? | ☞ HYDRAULIC WATER DOOR SYSTEM is a device designed to
prepare for sudden heavy rains or rainy season in order to prepare
quickly and easily for loss of property and loss of life caused by water.
The operation principle of the water wall is divided into that the water
flow sensor detects the amount of water and the operation is started and
the operation is started by the man. In this case, the power supply is an
uninterruptible power supply used in a building without a emergency
electricity supply system or in a single area.
These walls will be a great help if you install in shops, exhibition rooms, underground entrances in buildings and apartments, underground parking lots and warehouses that are likely to be damaged in case of sudden flooding due to heavy rain. For further information, please contact us at 02-576-4380 ~ 1 or help@cityinc.co.kr. |
| What is the difference between normal SHUTTER and OVER HEAD DOOR? | ☞ OVER HEAD DOOR is the product that maximizes the problem of existing shutter. Particularly, it is contributing greatly to product enhancement and production cost reduction by applying heat insulation performance and mining equipment, opening size is large, and it is applied to places where opening and closing frequency is high. In addition, it is easy to maintain and is applied to many logistics, warehouse, and factory. |
