400 ºC/2h centrifugal extractor fans with backward curved impeller
Extremely robust 400 ºC/2h centrifugal, single inlet extractor fans for outdoor operation in fire risk zones and fitted with a backward curved impeller.
Fan: • Sheet steel casing. • Backward curved impeller in very robust sheet steel, with anti-heat paint. • Approved in accordance with standard EN 12101-3, with certificate no.: 0370-CPR-0400.
Motor: • Class F motors with ball bearings and IP55 protection. • Multi-voltage motor, special design valid for: 220/380 V 60 Hz, 254/440 V 60 Hz, 265/460 V 60 Hz, 277/480 V 60 Hz. • Maximum temperature of air to be carried: S1 -25 ºC+ 250 ºC continuous service. S2 300 ºC/2h and 400 ºC/2h service.
Finish: • Anti-corrosive finish in polyester resin, polymerised at 190 ºC, after degreasing with phosphate-free nanotechnology treatment.
On request: • Fans with 2 speed motor. • Belt driven extractor fans.