Product features

BACH SMOKE H is an automatic horizontal smoke curtain that in case of fire restricts and controls the movement of smoke, with classification D120 and BACHSMOKE H PLUS with classification DH120. The curtain consists of: fiberglass fabric with polyurethane coating, sewn on both sides with reinforced steel wire and attached to a steel roller with a diameter of 78mm; the upper box, side guides and lower bar elements are made of galvanized steel. The entire system is controlled by two 24Vdc tube motors, on opposite sides. Automatic curtain control panel (CBM), with a nominal input voltage of 115 Vac or 220 Vac and an output voltage of 24 Vdc. An uninterruptible power supply (UPS system) with an autonomy of up to 6 hours exists in all control panels. Tested and approved in accordance with the European standard UNE EN 12101-1 and with the CE mark.

Description of work

The system can be activated via SHEV, fire alarm contact, built-in fire and smoke detection devices, or manual emergency buttons. In the event of a fire, the BACH control panel (CBM) receives a signal alarm and the automatic curtain is automatically activated, at a constant speed. In the event of a false alarm, the curtain automatically returns to sleep mode after resetting the alarm from the main fire control system. In the event of a power failure, the curtain will be ready for activation via batteries for at least the next 24 hours.


  • CBM control panel
  • BACH's tube engine 24Vdc
  • Upper galvanized steel box
  • Galvanized steel roller
  • Galvanized steel side guides
  • Galvanized steel lower bar
  • Fireproof fabric