Barbed Swivel Connector for 10mm Silicone Tube

Barbed swivel connector for 10mm (3/8 inch) ID x 13mm (1/2 inch) OD silicone hose
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updated June 23, 2024

Description

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I am constructing a rotating hydroponic tower and need a swivel adapter for my water lines. As I did not find one I liked, I designed my own.  I am using with this hose:

  • https://www.amazon.com/gp/product/B07MQK7SQH

This connector is NOT sealed.  In my use case, any small amount of water that leaks is acceptable as it flows back into my hydroponic reservoir.  As long as leaks do not cause too much loss in head, I am OK.

The intent is I will only turn the hydroponic towers when the water is not running and this will allow the hoses to twist.  I am concerned that the pressure may cause issues swiveling when the water is flowing (theory not yet tested).

THIS IS A V1 DESIGN and it has only seen very light test use.  It is very possible there are weak spots that need addressing.  I will update this design with new revisions if I encounter problems.

STL and Step files attached - I recommend using the step files.  The files are oriented in the correct print direction (inside body on plate, outside floating above it).  Supports are needed to support the bottom of the outside piece and its barbs.  I recommend using tree supports.

Ensure your printer has good tolerances before trying to print - I recommend using this test part: https://www.printables.com/model/413553-hydra-ams-test-pieces

I printed in PolyMaker PolyLite ASA (natural), 0.4 nozzle, 0.2 layer height, tree supports, and an outside brim.  My Orca slicer 3mf is attached.

Fusion 360 export also attached.

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