Greenhouse fan

for air circulationsuspendedaxial

This technique is going to convince you: -extremely safety operated external rotor motor in 2 versions : available with step-switchable motor (DV 5000) or in Doll EC technology with stageless adjustable motor (DV 5000 EK). -motor protected from humidity, dust and UV-irradiation. -lowest acoustic emissions - also for use in showrooms. -high performance air-throughput by the use of sickle-fin design. -low power consumption trough the use of novel bearing technology in the motor. -protective grid mounted on front of motor and blow-out side according to UW and BG-regulations. simple electrical connection trough the use of serially equipped terminal box. -5-step rotation speed controller for step-switching motor versions or Doll energy-saving controllers for stageless adjustable motor versions. (Doll accessories programme) -casing made of stainless-steel in high gloss finished completion against shadow effects. -equipped as standard attachment eyes. -Very good air allocation trough the use of specially designed air deflectors. -very compact type of construction: length 510 mm, diameter 500 mm.