Air Venturi How often do you drain out water?

Too small for me to make heads or tails out of it.

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I use a hand pump and I believe it is too slow to produce enough moisture to actually get into my guns. I vent the line every 40-50 stokes. After 10+ years of exclusive hand pumping, I have never found any evidence of moisture or corrosion in my airguns.
They actually are worse for moisture than a GX type compressor.
 
I’ve been filling SCBA tanks for years using a consistent method that’s worked really well. Every five minutes during the fill, I manually purge the compressor. This simple step, I believe, is the most important part in keeping moisture out of the system.

I also run a large in-line desiccant filter—one of those big blue or gold ones you can find on Amazon. Even with that in place, I rarely see any moisture buildup in the beads, which tells me the frequent purging is doing most of the work.

I use a couple different compressors—an Omega Air Charger and an Omega Trail Charger—and follow the same process with both. Once I’m done filling, I disconnect everything, open the compressor’s bleed valve, and let it run for a few extra minutes. This helps dry out the system internally before shutdown.

It’s a simple routine, but it’s kept my air clean and dry with no issues.