Step screen GNAFO

for wastewater treatmentfine

The perforated sheet belt screen is installed in various depth channels of small and medium size civil or industrial wastewater treatment plants. It allows to discharge the screened material to the needed height and complies with fine screening requirements. It is mainly composed of a sturdy frame in press-bended steel sheet reinforced by steel standard sections, a belt with mobile elements in stainless steel perforated sheet properly shaped and mounted on the links of a couple of roller chains, two cogwheel fitted in the upper part of the screen for moving the chains, two static counterwheels fitted in the lower part of the screen, a gearmotor with suitable power for the moving of the mobile part of the screen, a cleaning system composed of a rotating brush in synthetic fiber, a gearmotor with suitable power for the moving of the cleaning brush and the pre-arrangement for an optional water washing system by means of solenoid valves and nozzles.