Roll up door EFA-STT® Clear

slidingspiralmetal

Overview
The EFA-STT® Clear is a high-speed turbo door with EFA-CLEAR® transparent laths designed to maximise visibility and daylight. It delivers very fast opening speeds and clear lines of sight between areas, improving operational safety and efficiency for industrial applications such as automotive airlocks.

EFA-STT® Clear at a glance

• Door leaf composed of crystal clear acrylic laths (EFA-CLEAR®)
• Opening speed: up to 3.2 m/s
• Closing speed: up to 1.0 m/s
• Usable up to wind class 4
• EFA-TLG® door light grid as standard on Premium and Eco variants
• Premium variant endurance: up to 500,000 operating cycles per year
• Standard sizes: widths up to 4,500 mm, heights up to 5,100 mm

Maximum transparency
The transparent laths provide ample light and visibility, facilitating work in airlocks and ensuring unobstructed sight lines between rooms to enhance safety and coordination.

Pivotable frame cover
Pivotable frame covers allow rapid access for maintenance and inspection. In combination with EFA-SmartAssist® remote diagnosis and support are possible. For Eco and Basic variants pivotable covers and additional options are available.

Safety features
Premium and Eco variants include the EFA-TLG® door light grid as standard; it is optional for the Basic variant. Spring breakage detection is integrated in both door frames. A bolt lock secures maintenance operations by preventing unintended door movement in the rail.

Flexibly adaptable
Besides the straight endshield, a slanted variant is available to enable flush closure on uneven floors and compensate differences up to 200 mm. Endshield options include rigid metal or flexible rubber depending on site requirements.

Control
Multiple control arrangements for EFA-Tronic® are available for Premium and Eco variants (wall-mounted or integrated into the spiral box). EFA-Tronic® Light and EFA-Tronic® Professional provide additional control options.

Packages / Optional equipment

• Cooling areas package: suitable for applications from -1 °C to -25 °C
• Process package: for logistics and manufacturing areas
• Security 1: mechanical locking that can be integrated into an alarm system
• UL certification package: Underwriters Laboratories tested options for international safety and quality requirements

Technical specifications

• Model: EFA-STT® Clear
• Door leaf material: crystal clear acrylic laths (EFA-CLEAR®)
• Maximum opening speed: up to 3.2 m/s
• Maximum closing speed: up to 1.0 m/s
• Wind rating: usable up to wind class 4
• Standard sizes: widths up to 4,500 mm, heights up to 5,100 mm
• Premium variant endurance: up to 500,000 operating cycles per year
• Safety: EFA-TLG® door light grid (standard on Premium/Eco, optional for Basic), spring breakage detection, bolt lock for maintenance
• Maintenance: pivotable frame covers for quick access; remote diagnostics via EFA-SmartAssist®
• Endshield options: straight or slanted (compensates up to 200 mm); rigid metal or flexible rubber
• Available packages: cooling (-1 °C to -25 °C), process, Security 1 (mechanical locking), UL certification