Duct fan designed for ventilation of rooms with low dustiness, adapted for installation in vertical or horizontal position in ventilation ducts with diameters from 100 to 400 mm. It is used as exhaust and supply ventilation of flats, offices, shop, catering facilities and in cooperation with domestic kitchen hoods equipped with grease filters.

Construction

• plastic impeller (models 160, 250, 350, 500, 800, 800N)
• aluminum sheet impeller (models 1000, 1300, 2000, 4000, 6000)
• plastic housing (models 160, 250, 350, 500, 800, 800N)
• casing made of steel sheet painted with epoxy-polyester paint (models 1000, 1300, 2000, 4000, 6000)
• access to the engine after unfastening the mounting clamps

Electric engine

• 230 V / 50 Hz single phase motors (160-350 models)
• single-phase motors 230 V / 50/60 Hz (models 500-2000)
• three phase 400 V / 50 Hz motors (4000 TRIF, 6000 TRIF models)
• degree of protection IP44, winding insulation class B (models 160-2000)
• degree of protection IP54, winding insulation class F (models 4000-6000)
• ball bearings
• for voltage regulation (single phase motors)
• for frequency regulation (three phase motors)
• two-speed (gear switch recommended in REGUL-2; models 160-350)
• idle tr (switch in INTER 4P recommended; models 500-2000)
• thermal winding protection against overload: fuse (models 160-350); automatic fuse (other models)

Technical data

* measured at a distance of 3 m from the fan

Available variants

• single-stage TD models, 355 and 400 mm diameters (models TD-4000/355 and TD-6000/400)
• two-stage TD models, diameters 100 and 125 mm (models TD-160/100, TD-250/100 and TD-350/125)
• three stage TD models, diameters 150-315 mm (models TD-500/150, TD-500/160, TD-800/200, TD-800 / 200N, TD-1000/250, TD-1300/250, TD- 2000/315)
• single-stage TD models with adjustable time delay (1-30 min), standard diameters 100-200 mm