- Automatic operation
- Support for servery and hatches
- Custom built to your specification
- Short lead times
- Slim, lightweight and easy to install
- 4hr fire resistance
- Sealed to prevent the passage of fire or smoke
- 240V operation with battery back-up
Standard Smoke Curtains SpecificationSmoke Curtain Coated fiberglass material tested to withstand temperatures of 600 Degrees Centigrade for one hour. The thickness of the Smoke Curtain is approximately 0.75mm. Bottom Rail and Roller A bottom rail is attached to the curtain and this rail is designed to stop at ceiling level or into a recess in the box when raised. The curtain coils on to a steel roller mounted on endplate bearings. Smoke Curtain Box The central roller and coiled up Smoke Curtain is housed in a galvanised metal box, which is fixed to the structure of the building. The box is galvanised as standard and can be polyester powder coated at extra cost. Smoke Curtain Operation Preston Smoke Curtains are electrically operated by 240V Tubular Motors and are supplied with a control panel that is connected to the main fire alarm panel for the area. Standard control panel will operate a single motor or alternatively a group panel can be supplied to manage multiple motors within a single smoke compartment. The system requires a 240V single phase fused spur within one metre of the control panel. Failsafe Operation In the event of power failure, the curtains will automatically close by gravity with a controlled descent. Additionally on receipt of a signal from the fire alarm panel, the curtains will failsafe close by gravity and open automatically when the fire signal ceases.
MAXIMUM SIZES Unlimited width x 10 metres high.
OPERATING SPEED Approximately 75mm per second.
WEIGHT Typically 30kgs per linear metre of width for curtain, box and bottom rail.