sisteven

TST

Cased axial fans with short casing designed to work inside fire risk zones, 400 ºC / 2h. Fan: • Sheet steel casing. • Cast aluminium impellers. • Approved in accordance with standard EN 12101-3. • Airflow direction from motor to impeller. Motor: • Class H motors for S1 continuous operation and S2 emergency use. With ball bearings, IP55 protection and 1 or 2 speeds, depending on model. • Three-phase 230/400V 50 Hz (up to 3 kW) and 400/690V 50 Hz (powers greater than 3 kW). • Maximum temperature of air to be carried: S1 continuous operation -20 ºC +40 ºC, S2 operation 300 ºC/2h, 400 ºC/2h. Finishing: • Anti-corrosive finish in polyester resin, polymerised at 190 ºC, after degreasing with phosphate-free nanotechnology treatment. On request: • Long casing fans with inspection hatch. • 100% reversible impellers.