TJFT/2-315 axial jet fans

Cabinet

is welded from sheet steel, with flanges to the circular pipe. The enclosure includes 2 silencers and 2 mounting brackets. There is a grille on both sides to prevent the ingress of foreign bodies. Everything is provided with anti-corrosion protection. Optional painted surface in any RAL shade. For sizes 450-630, the delivery is divided into fan and silencers (on-site installation).

Running wheel

is made of Al alloy. The impeller is statically and dynamically balanced.

Motor

is asynchronous with short armature, single or two-speed design. IP55 protection, insulation class F. Operating ambient temperature -20 to +40 °C.

Clamps

is mounted on the housing. On request, the terminal block can be replaced by a switch with IP65 protection.

Speed control

is not possible in the standard version.

Flow direction

is from the impeller to the motor, the direction is indicated by an arrow on the housing. Reversing is possible for the TJFT type in accordance with the documentation included in the delivery. Type TJFU is unidirectional.

Mounting

Fan with motor axis horizontal, other fan mounting by agreement with the manufacturer. Each fan is provided with 2 mounting brackets. The minimum distance from building structures is twice the diameter on the intake side and 2 m on the discharge side. From size 400 onwards, the fans are supplied in a disassembled state (fan, 2× damper).

Noise

fan emitted is shown in the tables. Acoustic pressure measured at a distance of 3 m in the open field.

Instructions

The fans are suitable for ventilation of underground and multi-storey garages and tunnels.