Compact filter unit with manual or automatic Roto-cleaning (FRS MAN or FRS AUT). Suitable für use at educational institutions and in smaller workshops and the like, where both must be extracted from machines and use tap for cleaning. Available as single cabinet with 10 to 20m² filter area and as double cabinet with 40m² filter area.
Gram fans type M7 as well as VPH or RVH can be built on top of FRS 10 to 20 (single cabinet).
- Polluted air is led by 90° inlet (vertical connection) on the left filter unit side into preseparator chamber, where larger dust particles/chips are separated to dust container below in unit. Inlet can alternatively be place on the right side.
- Air is led up and filtrated by vertical-placed filter cartridge.
- Manual or automatic filter cleaning by Gram Rotocleaning that works by touching the filter pleatings inside with rotating plastic strips, whereby dust and chips are shaken free. Manually it happens by turning the outside handle, alternatively a gear motor is engaged to Roto-cleaning is activated automatically. Filter cleaning may only be activaed/operated at operation stop.
- Clean air is led out through top unit outlet.
- Dust and chips fall down into container (72/150L) or 240/380L sack suspended in sack cabinet below in unit.
- Built-in ø76mm flap valve for cleaning around unit after dust container emptying or other service.
Simple filter unit with several application possibilities
With a FRS-filter unit you obtain a simple filter solution that with its compact design easily can be adapted to the production area and connected to several different chip and dust making machine types in both the wood as well as the metal industry and at the same time be used for cleaning purposes. Requires no compressed-air connection, but cleans easily by Gram Roto-cleaning.