Shutter doors to play the same role with the level of the wall separating it from the curtain plate, base plate, rails, bearings, reel, box, control box, roll doors, limiter, lintel, manual quick release switch device, push button switch and 13 parts of fuses and other components, usually installed in the wall separating the inconvenience of using the site. Shutter doors for commercial facade, garage, shopping malls, hospitals, industrial enterprises and other public places or homes. Especially the larger openings shutter doors, installation of local ground inconvenience convenient door play, fast turn effect. Quality fire shutter curtain board requirements: interlocking flaps adjacent rear tandem rotation flexibility, swing ± 900 allowed to fall off after having a smoke curtain plate-shaped overlapping properties in series, swing ± 900 allowed to fall off. Curtain or baffle plates at both ends of the assembly firmly channeling agency, assembled roll Lianhou garage shutter doors, curtain plate runout shall not be greater than 2mm. Flaps must be straight, curtain panels straightness per meter shall not exceed 1.5mm, total length of the straight line shall not exceed 0.12%. Curtain rolls Lianhou board assembly, does not allow the existence of voids and cracks. Curtain panels have smoke performance, both inside and outside the contact surface channeling pick nose hook into the arc after contact, radian angle must contact within 300 range. Curtain board assembly rolls Lianhou crystal shutter doors, tilting at runtime are not allowed, it should be parallel movements, shutter does not grow in a straight hole height 1/300. Fast shutter doors shutter doors _ _ Linfen-Sheng door industry by Wanbailin district-Sheng distribution of stainless steel products. Wanbailin district-Sheng Stainless Steel Products Distribution Division (www.sxqsmy.net) strong, credible, in Taiyuan, Shanxi metal door industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead a strong Sheng door industry and you work into the brilliant, for a better future!