In addition to functions of AKDF series fans, fans with external motors can be used for the applications where explosive or flammables gasses are exhausted because the motor is placed outside the air flow.
ADKF RECTANGULAR DUCT FAN with EXTERNAL MOTOR
with backward curve blades
Smoke exhaust fan (120C)
Smoke exhaust fan F400 C 2h
Exproof exhaust fan (explosive ambient fan)