Metallic fast door 1.The motor system: 220v motor. 2.The control system: bast dedicated servo motor system , high-precision encoder to set the door opening height, convenient, safe, fast, with fault detection program fault indication system 3.The servo motor technology: a more effective protection of the motor and brake block, according to the different needs adjust digital speed , with fast - stop bolt length adjustment, reducing parts wear . 4, speed Open: (m/s) maximum speed 0.8 - 3.5(can be adjusted according to customers' requirements ); Off: (m/s) 0.4-0.8 (can be adjusted according to customers' requirements .) 5.Curtain: high quality, high strength aluminum alloy, each piece of curtains is one time molding ; thickness of curtain is 25 or 43 (mm). 6.Wind resistance: 30 m/s. 7.Sealing function: guide sealing, curtains joint sealing, lintel sealing, door bottom sealing. 8.The balance system: both sides pillars of the door with spring to meet the balance requirements, combine with curtain system to maintain a lasting balance and keep curtain vertical , at the same time to reduce the electrical load, keep the door open smoothly and easily. 9.The control system: with thickening durable schneider ip65 control box, reach the national electrical safety standard 400mm (w ) * 150mm (h ) * 150mm (d). 10.Guide rail: combination rail of epdm rubber, aluminum alloy, cold steeling rolling plate 11.Appearance: the door pillars is made by precision laser cutting, motor housing, rustless, dust-proof and easy to clean, nice looking 12.The security system: infrared switch / security contact belt or pressure wave switch (standard configuration) 13.The magnetic detector/ 1800mm highlight electronic screen (optional) According to the size of the door.