1/2" Barbed adapter for cheap Submersible Pumps
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Description:
These are adapters for Submersible pumps. There are 4 thread types to pick from
I own an ActiveAqua Submersible pump and I lost my other adapters for it . I searched everywhere to buy some adapters and I couldn't find the correct ones for my pump!
So, I bought a cheap pump on Amazon... Sadly the 1/2" or .51 barbed was a touch too small.
I decided to copy the adapter with 3d printing characteristics. I made the barb .526 which fits perfectly!
However, the threading was much harder to find.
I started off with 3/4-16 by counting the threads; about 14 to 16 per inch. Didn't fit!
Maybe it was Metric? The thread pitch was 1.8mmish which looked odd but maybe I was measuring it wrong? So I printed both M20 1.5 and 2 pitch. Correct size but not correct thread.
At a loss, because it wasn't 7/8" I didn't' know what to do??? until I figured it out. It was an M20 with 14 threads per inch. YES A MIX of both metric and US measurements.
Almost perfect... it was a bit lose
So 2A means loose fitting; which still tightens onto the pump. and 2B means tight. Its tight!
CORRECTION: The community informed me I wasn't looking at the correct type of threads. The M20-14 2b should be renamed to 1/2"NPS. Which is a straight Pipe threaded. It will take me a little time to fix this. Thank you community!
Hopefully this helps someone.
I spent less time making sure the other threads were correct. Mostly trying to find out what my pumps threads were. So, if your…
