Uses: with dedication kjm-900 type special explosion fast shutter doors, for special working conditions workplace, explosion-proof motor, explosion-proof electrical boxes and other accessories, to meet environmental requirements Field area gas, dust and other flammable and explosive. Fast access, improve work efficiency, the use of safety applicable environment:> indoor and outdoor special working environment> Printing, coating, petrochemical, printing ink processing industries> Fire, explosion-proof requirements of regional technical parameters: KJM-900 type special explosion-proof door appearance : High-strength antioxidant aluminum frame 120 × 130 mm, silver-white, in line with 6063-T6 standard, cold rolled plate electrostatic spraying door cover, chassis. Dynamic performance: import brand motor, power 0.75-1.5KW, power 220V / 380V, brake voltage 220V. Control system: imported frequency upgrade control electrical box. Control voltage: safe low voltage 24VDC. Opening speed: Turn 0.8-1.5m / sec / Off 0.6-1.2m / sec (frequency adjustable speed). Curtain material: imported high-density polyester fiber surface coating process, the thickness of 0.8mm-1.5mm, color options. Fire level: German standard MZD / NBL flame. Tensile strength: 5700 / 5100N / 5cm, tear strength 900/80 Operating temperature: -10 ℃ ~ + 70 ℃. Transparent window: import PVC transparent crystal soft plate, thickness 1.5mm, rectangular or oval. Wind Type: Aluminum wind ribs, segments connection, easy to replace. Wind resistance: 9m / s (50Pa standard 3 × 3). Sealing performance: the bottom of the U-curtain airbags Budou uneven ground with tight fitting, door tops sealed on both sides dust, insects. Security Configuration: Standard infrared photoelectric protection, pressure air bags, warning lights, crash column, power hand crank.