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Insulation door provides easy access to cold rooms

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article image Operates in temperatures as low as -30°C.

Efaflex, represented in Australia by Aircom , produces the SST-ISO-K high-speed insulation door, suitable for very frequently used entrances to freezer rooms or other temperature-controlled environments. The door can operate in temperatures as low as -30°C and can be used internally or as a high-insulation external door.

The door opens vertically, rising into a spiral above the doorway, minimising the space required for installation. The design does not allow the slats to touch each other at any point, preventing wear and extending the lifespan of the door, as well as maintaining the its appearance.

Each slat in the door has two panels, generally separated by production-anodised aluminium filling to provide significant insulation. The panels can alternatively be separated by grey PVC and the door can be fitted with clear acrylic glass slats, allowing users to look through the door without opening it and allowing heat in or out. The slats are separated from each other by two-way rubber seals, resisting wind and weather as well as maintaining the integrity of the temperature barrier. A double sealing lip also connects the door to the 60mm-thick door panel, preventing air or heat from travelling from one side of the door to the other and protecting fingers from harm. The door blade is made of aluminium with a flexible rubber edge providing a good seal to the floor.

The door can be fitted with a safety strip along the door blade which stops and then lifts the door should it touch any object during its descent. Alternatively the door frame can be fitted with an infrared light grid that stops and raises the door should any object enter the doorway.

The frequency controlled drive rapidly accelerates the door from a gentle start to speeds of up to 1.5m/s, minimising stress to the motor and the door. The door is designed to reliably perform at least 150,000 operations a year, requiring minimal maintenance. In the event of damage individual slats can be easily removed and replaced, keeping downtime to a minimum. This is an important characteristic in applications where an open door introduces the risk of spoilage.

For further information please contact Aircom Systems on 02 9773 1794.

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