The Nilfisk three phase 3997 Industrial Vacuum is designed for very heavy duty and continuous service. It can be connected to CVS used in various sectors as agricultural-food production or metal-working industries.
Many options are available for heavy or large quantities of material. The electric filter shaker is included as standard.
The Nilfisk three phase 3997 Industrial Vacuum has a 22 Kw, aluminium casting induction motor directly driven to the fan. The self cooling suction unit can work continuously, without the need of any maintenance.
The suction unit is run by an electric box with a star-delta-star starting, housed in the rear casing and power is supplied by a 9m, 4 core cable.
The on/off switches are within a control panel, in the upper part of the rear casing, a timer and manometer are also located in the control panel to enable visual control of the filter condition.
An external electric filter shaker enables easy and efficient filter cleaning. The "L" class star filter is mounted on the vac as standard and guaranties an efficient filtration. The cyclone plate is already incorporated into the filter chamber in order to protect the filter. For absolute filtration an upstream or downstream HEPA filter is available.
The 175 L steel waste bin is fitted with castors and is easily removable. The machine body is made of heavy duty tubular steel and painted with epoxy powders, to ensure robustness and a longer lifetime. The head of the filter housing is easily detachable by means of 4 hooks.
This model is available with more depression (3997) or with more air flow (3997W), with Star filter or Cartridges.