The NFO filter is only for use with silos, closed containers etc., in which the direct inlet of transport air and material is required.
The filter can be designed to accommodate large quantities of air and contemn inant material and for either continuous operation or with a 15 minute cleaning pause every four hours.
The NFo filter can handle from 1 500 m3/h (900 cfm), and is for outdoor installation, or can be built into the silo.
Construction and operation
The NFO filter is a self-supporting structure with an open base. It requires a completely sealed silo design for high pressure, on which the filter is mounted directly. The high pressure within the silo forces the air through the filter, causing the filtered material to fall into the container.
The filter’s capacity is thus in practice limited only by the size of the roof area.
The NFO filter can be supplied with automatic filter bag cleaning.