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Check Valve

2023-09-09 22:16:25

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Summary

This is meant to be a one-way check valve between two parts of a water tube.
Feel free to copy and customize your own diameters.

After trying several thingiverse check valves, I wasn't satisfied. So I tried to come up with one of my own :)

Main part:

  • 18mm inner diameter
  • contains 16mm standard marble (you can buy it in toy stores)
  • bottom part is 'curved' to allow marble to 'sit' on the bottom when blocking
  • holes on sides for a 'pin' blocker

Pin blocker:

  • simple stick to go through the main part and block the marble from coming out

Connector:

  • 16mm outside diameter in order to fit tightly inside the main part's larger end

Note on tolerance:
My Ender machine is quite old so the tolerances and quality for me came out "ok", but water was still seeping out about 1 drop every 2 seconds when I tried it. Still, quite good as far as I can print it at 0.12mm.

Probably better machines will achieve a tighter result and either completely block water or very slow drip. Good for most purposes imho.

Can even server as a 'constant drip' valve for plants, now that I think of it :P

Let me know in comments or messages what you think!
Thanks!

Print Settings

  • Printer brand:

    Creality

  • Printer:

    Ender 3

  • Rafts:
    No
  • Supports:
    Yes
  • Resolution:
    0.12
  • Infill:
    100
  • Filament brand:

    Unknown

  • Filament color:

    White

  • Filament material:

    PLA

Tags

License

CC BY

Check Valve
by Yafimski is licensed under the Creative Commons - Attribution license.

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