Scuba tank dust cap/stopper V2
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A near water tight dust cap to protect the valve of a scuba diving regulator set.
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Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a dust cap to be used with any 7/8-14 UNF valve or air tank. It is highly water resistant thanks to the two TPU seals.
7/8-14 UNF thread follows the DIN standard, however if requested i can make it in any other thread.
Print instructions
The body and inlay should be printed in PETG with a 0.4mm nozzle and a 0.1mm layer height to achieve good threads. I printed it with 5 walls and 15% gyroid infill, and it is plenty sturdy.
If you do not own an MMU (like me), like fx. the AMU from BambuLabs, here is a great video demonstrating how to do it without:
If this is still too adventurous for you, simply skip the inlay and print it without. It changes nothing functional.
The plug and seal can be printed using any TPU, however i recommend 85-90A.
For the seal, printing it with 5 walls and a 0.4mm nozzle gives an excellent result.
For the plug i recommend using a 0.4mm nozzle, 3 walls and 15% gyroid infill, to achieve the correct pliability.