Duct Fan VOK
The fans are offered with an automatically closing valve, which protects from incoming cold air and insects when the fan is not working. The fan works with a silent motor with rolling, double-capsulated bearings, which guarantee 30 000 work lifespan in horizontal and vertical mounting.
The body, fin and valve of the fan are made of aluminium alloy. The body of the motor is made of aluminium alloy or heat-resistent material, which guarantees efficient cooling and improved fire safety. Protection level IP 32 allows the fan to work in high humidity and aggressive environments.
The fans can be mounted in the wall, ceiling, inner walls, air ducts - for ventilation with direct exhausting of the air outside or in the air duct. The fans can also be used as heat-exchangers between adjacent halls.
|Type||a (cm)||l (cm)||fi d||fi D|
|VOK 120 / 100||2.8||13||10 cm||12 cm|
|VOK 135 / 120||2.7||14.5||12 cm||13.5 cm|
|VOK 150 / 120||2.8||15||12 cm||15 cm|