DVN 500D4 roof fan

DVN 500D4 roof fan

Speed-controllable via frequency converter
Integral cold conductor (PTC)
Standard motor outside the air stream
Max temperature of transported air up to 120°C
Suitable for coastal applications
Vertical exhaust
Low sound level
Easy to maintain and reliable

The casing and impeller with backward-curved blades is manufactured from seawater resistant aluminum. The base frame is manufactured from galvanized steel sheet and the integrated protection guard consists of powder-coated galvanized steel. Speed control is only possible by using a frequency converter. Motor protection is done by cold conductors (PTC), which have to be connected to an external motor protection device. The motor is suspended on effective vibration dampers. The DVNI version has 50 mm mineral wool insulation for lower sound level.