Hot Selling Automatic Lift Industrial Warehouse Sectional Door with Pedestrian Door

Hot Selling Automatic Lift Industrial Warehouse Sectional Door With Pedestrian door- Product overviewIndustrial sectional doors can be suitable for every kind of doors outside of the buildings, and they are suitable for the isolation of factories and areas with high cleanliness requirements, such as medicine, food, electronics, printing, supermarkets etc. With beautiful appearance, high strength, safety and reliability, and stable opening, low noise, good sealing and heat preservation performance, saving working space and improving production efficiency etc, they are widly used due to lower installation conditions and higher practicability.- Product featuresIndustrial sectional doors can provide a variety of lifting methods according to the actual civil structure on site: such as straight type, standard lifting type, high lintel lifting type, low lintel lifting type, etc, so that your building space can be customized.The industrial sectional doors have an unique roller shafe design, which distrobutes the force of each hinge to the wheels on both sides, so that the door can run gently and extend the overall service life.The door panel is made of sturdy material with double sided hot-dip galvanized steel, embossed on the surface and embossed stripe design, and the inner layer is a high-density polyurethane form insulation layer. The door panel has the function of preventing fingers from being pinched.The joints of the door panels are equipped with sealing rubber to ensure a good sealing effect. The front and back panels of the door panels are made of coated steel plates, which have high corrosion resistance and weather resistance.Panel: A. Two layer of 0.4mm powder coated galvanized steel plate, PU foaming density 48±2kg/m3;B. Surface printing layer: 30um; C. Total thickness: 40mm (standard) 50mm/75mm/100mm (optional)Safety device: 1. Spring brake device (anti-broken); 2. Service life: 100000 opening and closing; 3. Driving force: 140N;Accidient dropping safety device: Door bottom equips with the avoid dropping steel cord, to secure the accidient dropping within 50mmGuide rail: A. Special design three angle wheel brace secure smooth rolling of wheel; B. Mute nylon wheel, noise level: ≤60dbBeam seals: Epdm sealing rubber is installed onto top, bottom and sidesBuffer and hinges: 2.5mm steel plateBottom wireless safety airbag: It makes the door doby lift back when touching somthing during closing and stops the movement during opening- Product parametersLifting speed: 0.2m/sDoor panel: Double layer hot-dip galvanized embossed anti-corrosive sprayed steel plate, door body polyurethane density is 48, door panel thickness is 40mm, door panel height is 510mm Track and hardware: Support the door body and guide the door boty to run, adopot high-quality anti-corrision metal guide rail, auxiliary rail and guide rail bracket, thickness 2mm. The uniqye design of the hardware is supplemented by other accessories to ensure that the door runs smoothly with low noise, excellent balance and high-strength safety performanceWind resistance: ≥450N/m2Balance system: Use the power of the torsion spring to balance the weight of the doorTorsion spring system: Including door shaft, torsion spring sleeve, torsion spring (lifespan is 50,000 times at least), sheave, coupling etc. The material is high quality torsion spring, with a lifespan of more than 30,000 times, and special processing technologyTorsion spring anti-breaking system: After the door has been used for a certain number of years, the guide spring is easily broken when fatigued. The torsion spring anti-breaking system will lock the transmission shaft once the torsion spring breaks, thereby effectively avoiding greater safety accidentsWire rope anti-breaking device: The steel wire rope anti-falling device is installed at the bottom of the door panel, no matter when the door body moves up or down, the wire rope suddenly brakes, self-locking ensures that the door body will not suddenly slide down and prevent accidentsSafety pressure switch: When the door body is pressed against an object during the descending process, the door body will instantly rebound and rise automaticallySealing: There is a sealing strip at the bottom, and the materail is made of EPDM material, which has the characteristics of anti-low temperature and anti-fracture, inliad installation, and good sealing effect, The surroundings are sealed to ensure the performance of rainproof, dust-proof, sound instaltion and heat insulation.1Fall protection lifting supporter2Straight track3Side hige & Top wheel seat4Middle hinge5Steel rope6Drum7Transmission shaft8Spring fastener9Spring10Spring seat11Track fixing angle steel12Opener13Pull chain14Control panel15Reinforcing rib16Top sealing strip17Door panel18Track protective plate19Bottom sealing stripOptionWindow, Pedestrian door  - Industrial section door opener configuration:  ModelNT50-220NT50-380NT70-220NT70-380NT80-220NT80-380NT100-220NT100-380NT120-380Input voltage22