 Continuing to improve accessibility, the National Portrait Gallery specified Tormax to install four underfloor door operators, automating two sets of double manual swing doors.
Hidden out of sight, the electro-hydraulic TN units are mounted in a galvanised steel box sunk in the floor. For service free operation, all parts are encased in oil. The control panel is installed in a suitable location near the doors, as specified.
As well as using products from the company, the Gallery also took advice on adjusting angles and opening and closing speeds.
In addition to improving access, the doors help preserve the collections inside because the manual doors were often left open, leading to costly heat loss and damage.
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