How many of you actually add a micron filter downstream of your filter stack. I'm running a Bauer k14 newly rebuilt at 9cfm for continuous nitrox blending. I used replaceable lawrence factor cartridges instead of packing my own, with a downstream CO/moisture monitor eyeball. I know on the side of the LF cartridge they recommend a downstream filter, and if you talk to them they always recommend a 2micron filter. It's less than $75 to add it, so I'm considering it for peace of mind. Anyone else using them, or are most not? Any quirks or concerns other than it clogging and slowing down fill rates?
Micronic filtration
- Thread starter rddvet
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Zodiacdiverdave
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A micronic filter can't hurt but you have to control the amount of air flow because they can rupture. I am not sure about the LF ones but I have seen Parker units fail, these are made from a very fine stainless steel mesh screen and when it blows out the pieces can end up in the tank.
I would add a .015" restricting orifice to the charging line and inspect the Micron filter often.
ZDD
I would add a .015" restricting orifice to the charging line and inspect the Micron filter often.
ZDD
mikecotrone
Contributor
Yes I do to ensure that no particles from my OCA filters makes it into my block. The cost was very minimal to add it so the potential benefit far out weighted the cost for me. I have it right after my second filter, before my check valve, and then on to the back pressure regulator.
Here is a visio of my setup which is slightly different now (but I slacked in updating this visio
).https://dl.dropbox.com/u/66466900/Cotrone-Continuous-Blending-System.pdf
Last edited:
manni-yunk
Contributor
Yes I do to ensure that no particles from my OCA filters makes it into my block. The cost was very minimal to add it so the potential benefit far out weighted the cost for me. I have it right after my second filter, before my check valve, and then on to the back pressure regulator.
Here is a visio of my setup which is slightly different now (but I slacked in updating this visio
https://dl.dropbox.com/u/66466900/Cotrone-Continuous-Blending-System.pdf
Mike,
What do your OCA filters look like and how do you have them plumbed?
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