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Screen filters AF 800

Applications: screen filter with automatic hydraulic flushing

Standard Characteristics:

Filter element: - Stainless Steel screen AISI 316 mesh, supported by a PVC cylinder.
Available filtration: 50-3000 micron
Filter housing material of construction: Carbon Steel ST37.2
Pre-treatment: sand blasting up to Sa 2.5 grade
Exterior & Interior coating: electrostatic oven baked polyester-epoxy powder coating with a thickness of 150-200 micron
Connections: VIC and Flange
Maximum recommended working pressure: up to 10 bar (145 psi).
Minimum operating working pressure during flushing: 2 bar (29 psi)
Equipped with an electronic control system (6V DC, 12 V DC, 24V AC)


The filter is equipped with a coarse screen that protects the finer screen from stones and larger particles. The coarse screen can be periodically clean manually. Automatic flushing of the fine screen is activated once the pressure differential (ΔP) in the filter reaches pre-determined value (up to 0.5 bar). During the flushing cycle, the flushing valve opens, pressure is released from the hydraulic piston and debris laden water is discharged through the flushing valve. Pressure in the hydraulic motor chamber and the dirt collector is significantly lowered causing the dirt collector nozzles move along and rotate cleaning the whole internal screen surface. The flushing cycle takes 5 seconds. The flushing valve closes at the end of the cycle, pressure reapplied to the piston, moving the nozzles back to their rest position, and the filter is cleaned. During the whole process water supply is uninterrupted.

1. Piston 
2. Motor 
3. Motor adaptor 
4. Cover 
5. Flushing valve 
6. Flushing chamber 
7. Body 
8. Collector 
9. Suction nozzle 
10. Junction box 
11. Pressure gauge 
12. Control cabinet

UV sterilizer