Moving bed (koi pond) pre-filter
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filter basket or a pre-filter that prevents larger particles from entering the pump and clogging the system
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Model information
- Source
- Printables
- Category
- Outdoor & Garden
- License
- Creative Commons — Attribution — Share Alike
I needed to be able to prevent particles to enter the pomp. My pump (AquaKing Red Label 20000 ANP) came with a 'vuilwater' filter, but the filtermedia I'm using was still able to penetrate this ‘vuilwater’ filter. So I created this model which replaces the stock filter.
It has a lot of 3 mm holes, and should prevent all particles (larger than 3mm) to enter the pump. I'm using this in a moving bed filter (for Koi-pond), and the small holes makes it also easy for the air bubbles to escape to the surface, before they will get suck into the pump hose.
- The size (3mm) and qty of holes should not restrict the flow of the pump.
screwSizes:
| Iso Pipe Threads | OuterThreads | InsideThreads |
| 90 Degree Elbow | G 65.71 x 2.309 | G 87.884 x 2.309 |
| FiltrationPipe | G 65.71 x 2.309 |
print with minimal 3 wall thickness and just 15% infill. I used PETG, with a 0.8 mm Nozzle.
for the 90 degree elbow you properly need to print some support.