The power supply for electric fire shutter doors shall be fire power supply; the cross-sectional area of ​​power supply and control conductors, insulation resistance, circuit laying and protection pipe materials shall meet the requirements of the code. The overcurrent protection setting value of the fire shutter door power supply device should meet the design requirements.
The electric fire shutter door is respectively provided with manual buttons to control the lifting, lowering and stopping of the electric fire shutter door on both sides (except for the inoperable side of the personnel), and the function of the fire shutter door should be raised after the fire shutter door fire is lowered and closed, and the fire shutter door is lifted. After the lifting is in place, it should be able to automatically restore the original closed state.
The electric fire shutter door with automatic alarm control system shall be equipped with automatic closing control device. The fire shutter door used in the evacuation passage shall have the function of descending or descending to 1.5m~1.8m after the detector is controlled to reduce the delay to the end; The roller blind used for only the fire separation function should be lowered to the bottom in one step. The manual quick release device, the arm force of the fire shutter door manual quick release device is not more than 50N; the fire control room should have the forced electric fire shutter door lowering function (emergency operation device) and The state of the fire shutter is installed on the evacuation passage. The opening and closing device of the fire shutter should be manually mechanically lifted after the fire is cut off to lower the closed fire shutter, and the fire shutter can be restored to its original closed state by its own weight. Manual fire shutter doors are manually lowered to a traction of no more than 150N.
The repeating positioning accuracy of the fire shutter door should be less than 20mm.
The gap between the fire shutter door panel and the ground is not more than 20mm; the connection distance between the curtain and the base is not more than 300mm.
The distance between the pre-embedded steel parts of the fire shutter door guide is not more than 600mm.
The opening and closing device of the fire shutter door should have obvious operation signs to facilitate personnel to operate and maintain.
The guide rail of the fire shutter door has a verticality of not more than 5 mm/m and a total length of not more than 20 mm.
The parallelism of the centerline of the two guide rails of the fire shutter door is not more than 10mm.
When the fire shutter door panel is lifted, the height difference between the two ends is not more than 30mm.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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Specification
1. Material: Stainless Steel
2. Finish: Mirror / Matt
3. 180°max installation length is 1.8m, 90°dual-open maximum installation length is 1M.
4. Suitable for glass thickness: 8-10mm
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