BKF E8306 15 06 2017
2 BKF
BKF
Smoke extract duct fan
Features:
• 400°C/120 min (F400)
• Continuous operation up to 120°C media
• Casing made of zinc-magnesium coated steel (ZM)
• Backward curved impeller made from pre-galvanised steel
(size 355, 450) respectively from steel and galvanised
• Motor outside the air stream
• Single speed IE2 motors rsp. two speed motors
• PTC serial built-in motor
• Certied according EN 12101-3 by BSI, UK
• Dual purpose (normal ventilation plus smoke and heat extract)
• ErP compliance 2018
• Installation possible in all positions, ange connection 30 mm
• Installation outside building or inside building, outside re zone in well ventilated rooms
• Applications: malls, garages, warehouses, kitchen exhaust
BKF smoke and heat extract fans are
used in case of re to extract smoke
gases and also during normal work-
ing conditions for standard ventila-
tion.
Smoke free escape routes assist
egress and provide clear access
points for re departments. Extracting
poisonous and hot gases also make
re extinguishing easier and reduce
the damage on the building.
About installation possibilities,
especially inside building please see
instructions.
For speed control of single speed
motors use combination of frequency
converter and appropriate lter to
motor side (sine or du/dt), respec-
tively observe instructions. Tested to
400°C/2h together with frequency
converter. However, we recommend
bridging of frequency converter in
case of re to eliminate possible risk
of malfunction of frequency convert-
er. In case of re all motor protective
devices and thermal protections must
be bridged or disabled to guarantee
functional capability. When choosing
AES control accessory please observe
serial connecting capability of the
motor (instructions).
400°C
120min
120°C
Accessories
PG-BKF
Protective grid
* Accessories details available on page 7.
FLC BKF
Flexible connection
Drain nipple BKFWPR BKF
Weather protection
ErP
2016
ErP
2018