Semi Automatic Lift Door - D Model Semi Automatic Elevator Door D ModelElectrostatic Painted Ral 1013 - Ral 3004 SPECIFICATIONS OF STANDARD LIFT DOOR The lift door wing is made of 1.2 mm thick A1 quality DKP sheet metal. The elevator door frame is made of 2 mm thick A1 quality DKP sheet metal. Frame and door handle are made of aluminum. Surface cleaning is done by phosphatization and it is covered with electrostatic powder coat and stocking method. Surface cleaning is done by phosphating and covered with electrostatic powder paint and baking method. Elevator door locks and shock absorbers whose compatibility is checked, are packaged with a shrink machine in a way that there is no dust and moisture, thus oxidation is prevented. Standard lift door handle is used on the model.