Dirty water enters the filter and is pre-filtered through a coarse screen, the first stage of filtration. This prevents passage of large particles which may damage the filter internals. The water then flows through a sintered multi-layer stainless steel fine screen and flows out through the outlet port.
The dirt particles gradually build up a filter “cake” on the inside of the fine screen. This “cake” improves filtration efficiency as it performs a finer filtration and creates a pressure differential across the screen. The differential pressure rises until the predetermined value is reached (normally 0.5 bar). The differential pressure is monitored by the control system, and a flushing cycle is activated once the predetermined differential is achieved.
Performance and technical features:
- High screening efficiency due to its unique stainless steel sintered filtering element
- Low head-loss
- Most efficient and fully automatic self-cleaning mechanism
- Filtered water supply is not interrupted during flushing
- Filter uses small quantities of water to flush the screen
- Simple and easy to operate
- Long service life thanks to anti-corrosion protection coating and stainless steel sintered screens
- Low maintenance cost
- Low cost per cubic meter of filtered water