Geezerhood,
I like the idea, filling both canisters certainly puts time on my compressor every time.
As I think about it though doesn't leaving it pressurized with the Yong Heng then leave the water trapped in the centrifugal coalescing filter by not venting it? Doesn't that increase the risk of corrosion in that part?
Regardless, if you don't mind, would you please send me a list of what you are using, I'd like to play around with the idea a bit.
BP-1
When I am done filling guns, I vent all of the filters while they are filling up to 300 or 310 bar with a quick open / close of the purge valve then one more quick check right at the very end to verify that no moisture is visible coming out.
This page of mine has more details on how I set mine up. There are probably better ways to do it, certainly much more expensive ways as well, but this has been working well for quite a while and was fairly inexpensive.
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