SST meets all requirements
The SST high speed door is an extremely fast, safe and reliable exterior door. The door panel consists of double wall extruded aluminium laths, thermally separated profiles provide (on request) for the application requiring insulation. Any required light entry is achieved from multi-clearview laths of acrylic glass, or option of polycarbonate. An additional locking device guarantees a very high degree of security against burglary. The widest range of equipment and extensive accessories distinguish the high-speed spiral door as the model for the today’s door technology.
The spiral design (invented by Efaflex) reduces space requirements considerably. It is fixed to the vertical frame and thus works independently of the building framework. For installations in very limited spaces, a special oval shape or low lintel version, often used for parking garages, is also available. Therefore, an optimal adaptation to available space of the building can always be found.
Low-Wear Door panel
Power is transmitted through strap hinges with protected rollers on both sides. A connection shaft ensures synchronization. All laths are individually screwed to the strap hinge for free movement preventing transmission tension within the door panel. Rubber sections link the laths together, making them weather and vermin resistant. This is why individual laths can be quickly and easily replaced when necessary.
For speed, electronics are the key. The microprocessor controller can be adapted to the door’s function and equipment. The opening speed isf 1.5 m/sec opening and 0.75 m/sec for closing is factory pre-set, however, slower or faster speeds are also possible. The MCP2 control panel is equipped with a membrane keyboard, an information and function display, and remote diagnosis.
The whole construction is designed in the smallest detail for the highest reliability, a long useful life and the least expenditure on maintenance. For example at the motor a maintenance free inductive sensor directly reports all door positions to the controller. All the components of the drive and the power transmission are designed for the heaviest constant employment. Therefore the door panel remains attractive for many years and even the see through sections permanently retain their clarity. High-speed spiral doors combine timeless aesthetics with individual economy.
Gentle acceleration – high speed – gentle braking. These features are vital for long use. So that the drive elements move smoothly and without interruption, the motor does not start with full power. The VSD (variable speed drive), produced in series, changes the number of revolutions through the frequency to deliver dephased 3 x 220/240 volts to the motor. Power requirement: 1 x 230 volts.
All spiral doors have a mechanical counterbalance: In case of a power failure, a hand lever activates the durable mechanical tension springs on both sides of the door frame which pull the door open. The force is transmitted directly to the shaft by strong straps. The door closing line is protected by the safety edge or the opto-electronic TLG system light curtain, which is completely integrated into both sides of the frame and produces an infrared light grid of 2.5 m maximum height.
Multiple application possibilities
High-speed spiral doors are always an intelligent solution. The entry + exit doors of an underground garage would be constructed in the low lintel version in view of the limited space. Air ventilation laths should also be provided instead of the clear view laths. Light units control the traffic. Similar solutions will also be individually created for warehouses, car wash installations, airports, fire brigades, banks, insurance companies, courthouses, air-conditioned areas… and many other types of application.
FEATURES AT A GLANCE
- German engineered design and manufactured
- High speed up to 2.5m/sec
- Extruded aluminium door blade lath sections providing a strong secure solution
- Suitable for large openings 7000H x 8000W
- High wind capacity to Category 4, and upt to 180km/h with special design
- High frequency of use suitable for 250,000 cycles per year
- Excellent dust seal and security
- Emergency opening lever
- Safety light curtain TLG
To view the Efaflex High Speed Doors Gallery, please click here.