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Smoke and Natural Ventilation Specialists | Established 1998
Actuators / Rams
Fail Safe Range

BF 24 V DC
Spring-return actuator for fire and smoke dampers 90° in ventilation and air-conditioning systems:
- Nominal torque 18 Nm / 12 Nm
- Nominal voltage AC/DC 24 V
- Control open-close
- Damper rotation form fit 12 mm (10 mm with enclosed adapter)
- Technical Specification Sheet

BF 230 V AC
Spring-return actuator for fire and smoke dampers 90° in ventilation and air-conditioning systems:
- Nominal Torque 18 Nm / 12 Nm
- Nominal Voltage AC 230 V
- Control open-close
- Damper rotation form fit 12 mm (10 mm with enclosed adapter)
- Technical Specification Sheet

Linear Rack Range

Rack Dual and Double-Rack 24 V DC / 230 V AC
- 10 mm square rack transmission for stroke 180 mm, 350 mm, 550 mm and 12 mm square rack transmission for stroke 750 mm e 1000 mm.
- Supplied with 1,5 m cable.
- Available end brackets or sliding brackets (to be ordered separately); the dovetail slide allows the fixing on the whole length of the rack actuator.
- (*) RACK 24 Vdc is approved of from TÜV testing (No. KH00.1.2).
MULTIPLE SYSTEMS
- To guarantee more push points on the same vent the rack actuator can be used either in the Dual Rack version with rack groups or in the Double rack version with auxiliary rack actuators; these systems, since guarantee stability, are particularly adapt to open domes and very large top hinged windows.
- Dual Rack: Force 650 N (230 Vac) - 750 N (24 Vdc)
For each system assembly are necessary 1 Rack actuator, 1 Rack group, 1 connecting rod and 2 end brackets (part No. 40234E see following accessories) - Double Rack: Force 1300 N (230 Vac) - 1500 N (24 Vdc)
For each system are necessary 1 Rack actuator, 1 Auxiliary Rack actuator in parallel connection, 1 connecting rod, and 2 end brackets (part No. 40234E see following accessories) - Other multiple systems:
It is also available a rack group double pivot for 3 or more push - points systems.
- Technical Specification Sheet