Used to much wider door hole Take less space Low cost Easy to maintenance 1) The upper folding door with soft curtain2) The curtain is fabric coated with PVC,0.9mm thickness3) PLC frequency conversion control4) Max. width 42000mm, Max. Height 17000mm5) Work Voltage/Frequency: 380V/50Hz6) Power: 3.2~13kw7) Opening speed: about 7~9m/min8) Resistance to wind pressure: 65kN/m29) Thickness of door ...
