Nilfisk 3997
The most powerful “mobile” Nilfisk-CFM industrial vacuum, featuring 30 HP and up to 36000 l/m airflow
Designed for heavy duty and continuous use, it doesn’t need any maintenance and grants an excellent filtering efficiency thanks also to the electric filter shaker. Despite its size, it is very easy to move and to use: the vacuometer monitors the filter, the container is easily extractible, the control panel includes on-off switches, timer and manometer. This vacuum is also equipped with lifting brackets or clamp and brackets and it mounts a comfortable accessory box.
Key Features
Filter efficiency
granted by the wide filter area and the effective devices built to mantain the filter cleaned, such as the electric filter-shaker in the 3997 and the electric-pneumatic filter cartridge in the 3997WC, makes these industrial vacuums efficient and autonomous.
Real time monitoring
to a specific tool, the vacuum-gauge, capable to show the remaining filter capacity; moreover a differential vuotometer switches off the machine when the filter is totally dirty.
Release device system
makes the disposal of the collected material a very fast and easy operation while the large front wheels and the rear pivoting ones with brakes, make the moving of the vacuum a light operation
Customisation
HEPA filter, category “C” filter, Class “M”filter, Class “H” filter, PTFE filter, epitropic filter, painted or stainless steel structure versions are available.
Technical Details
GENERAL
| Voltage | 230/400 V |
| Frequency | 50 Hz |
| IP Protection Class | 55 |
| Insulation class | F |
| Rated power | 11 kW |
| Airflow without hose | 504 - 8400 m³/h - l/m |
| Max. vacuum | 43 - 430 kPa - mbar |
| Container Capacity | 175 litres |
| Sound pressure level at 1.5 m | 78 dB(A) |
| Main Filter Type | L Class Polyester |
| Main Filter Area | 35000 cm² |
| Length x width x height | 1600x800x1810 mm |
| Weight | 411 kg |
