Product Description

Brief Introduction The door panel move up during opening and eventually fully enter the overhead room along the tracks. The door panel does not fold or roll during opening. There are 3 types of overhead sectional doors according to the move direction. The door panel moves along the horizontal tracks during opening, which is suitable for the door openings with small overhead room. The door panel moves along the vertical tracks during opening, which is suitable for the door openings with enough overhead room. The door panel moves upward along the vertical tracks for a while, and then move horizontally, which is suitable for the door openings with big overhead room. Configuration and Work Principle The door comprises 5 parts: 1)door system2)track system; 3)torsion spring balancing system; 4)sealing system;5)door opener system. Material The surface panel is color steel and polyurethane composite board, with wrinkle/smooth surface upon request. The panel pressing shape could be in square, deep channel or shallow channel. The tracks are rolled from thick galvanized steel board. Sealing strip will be in EPDM rubber. Specifications Item Specifications Thickness of the color steel sheet 0.326mm Density of the polyurethane foaming =44kg/m3 Brand of color steel sheet From Baosteel Heat transmission coefficient of insulation layer <0.033w/(m.k) Impact resisting =45kg/m Length of the panel 6040mm Total thickness of the panel 42mm / 47mm Height of each section of the panel =500mm Weight of each set of door 620kg Thickness of the galvanized steel sheet for tracks 2.0±0.2mm Life of spring =30,000 times Open/close speed =0.25 m/sec Protection grade of control cabinet IP54 Temperature -40~+70 Air tightness Grade III Water tightness Grade III Control could be manual, electrical, or through remote control. Pressure sensitive edge and infrared protection device are upon request Daylighting windows could be installed upon request.