With Jue KJM-300-type internal fast shutter doors, especially for indoor use design, widely used in factories, trade, department stores, warehousing, logistics, 300 fast shutter doors enhance speed, frequency of use, long life, economical and practical. Applications:> Indoor channel, light industry, food and beverage, electronics, pharmaceutical, printing and packaging, warehousing and other environmental requirements of the health industry. > For frequent open spaces. Technical parameters: Appearance: Aluminum high temperature anti-oxidation frame 120x130mm, silver and white, in line with broad standard 6063-T6 aluminum cold rolling plate electrostatic spraying door head / stainless steel. 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: on / off 1m / sec. Curtain material: imported high-density polyester fiber surface coating process, the thickness of 0.8mm-1.5mm, color options. Tensile strength: 5700 / 5100N / 5cm, tear strength 900 / 80N. Operating temperature: -10 ℃ ~ + 70 ℃. Transparent window: import PVC transparent crystal soft plate, thickness 1.5mm, rectangular or oval. Wind Type: Aluminum wind ribs, stepped connector for easy replacement. Wind resistance: 9m / s (50Pa standard 3x3). Security Configuration: infrared photoelectric protection, pressure air bags, warning lights, crash column, power hand crank.