These doors have been designed for chiller and freezer chambers where there is insufficient space for a sliding door. They have been used extensively on freezer loading bay areas mounted within the freezer chamber. The doors are counterbalanced with a weight system and have a multi-functional control panel with built in fault diagnostics (manual versions are also available).

These door can be equiped with a high speed motor to give an opening speed of up to 2 m/s for heavy high levels of forklift truck traffic. The doors can be operated by pull cords, radar, or induction loops and have full safety system comprising of a stop and reverse safety edge and a safety prescence sensor.

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