Clear Turbo Door

Introducing the EFA-STT, a game-changing solution. Its innovative design features a threaded spiral, integrated tension spring, and clear acrylic glass curtain framed in aluminum. With a patented modular system, high-frequency motor, and rapid speeds of up to 3.2 m/s, it’s your gateway to efficiency.. Elevate entrances with EFA-STT.

Speed up to 3.0 m/s (depending on door size)
200,000 operating cycles per year
Max. sizes W = 8,000 mm x H = 7,800 mm · Wind class 2–4 (depending on door size)
Single-walled transparent laths with acrylic or polycarbonate infills
Safety: combined photo-cell and contact edge; optional infra-red light curtain (EFA-TLG®)
Control EFA-TRONIC®, integrated frequency converter · Tested and certified by ift institute

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For Architects & Specifiers

Plan this door straight into your model

Manufacturer-maintained BIM objects for the STT spiral-door series are free to download — drop the exact door into your Revit or IFC model, and we’ll look after the Irish spec, supply and installation.