How does the self-cleaning function of a dripping hose work?
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By flushing debris as it is detected throughout operation, and not only at the beginning or end of a cycle; this ensures uninterrupted dripper operation. It has a labyrinth structure (Turbonet™) and anti-siphon mechanism, covered by patents. They say:
There are several algorithms built into the little dripper, ensuring that:
- Pressure regulating mechanism ensures that each dripper provides the same flow, regardless of inlet pressure.
- Each dripper has a built in large filtration area.
- An ongoing cleaning mechanism uses pressure to push out dirt particles.
- Mechanical root barrier prevents root intrusion
- Anti-siphon mechanism prevents suction of dirt particles
- Non Leakage mechanism keeps the water in the system once it is shut and prevents uneven drainage
- Membrane, structure and materials that withstand chemicals, acid and extreme climate conditions
As I doubt that is as comprehensive an explanation as you were hoping for, and with "self-cleaning" in the context of pipes not having a widely accepted meaning, I fear your best choice may be to contact Netafim for further details. They do show various 'connections' including Twitter.
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