Specifically, the pressure is around 200 PSI. I get the impression from what I have Googled that .006 and below may only work for high-pressure systems.

  • What do you consider high pressure? 1500Bar comes to mind.
    – Solar Mike
    Aug 21 '21 at 21:47
  • 1
    Have you got a drill? Holes can be made larger...but a different approach would be to use an impingement misting nozzle which has a fairly large hole (harder to clog), operates at low pressure, yet produces a very fine mist through the power of applied physics. The stream of water hits (impinges upon) a flat surface held in front of it, becomes a disk or cone, and then surface tension does the rest. Mine were inexpensive plastic irrigation nozzles and are designed to work as low as 25 PSI supply, yet they make a very fine mist.
    – Ecnerwal
    Aug 22 '21 at 0:42
  • @Ecnerwal read about the intended application and the nozzle size
    – jsotola
    Aug 22 '21 at 0:46
  • Take a #80 and turn it into a 0.0135" hole - or get suitable parts...
    – Ecnerwal
    Aug 22 '21 at 0:48
  • @SolarMike 1000 psi? I'm not sure what the cutoff would be for a high pressure system - but the kind that they use in restaurants so that the customers don't get all wet. Aug 23 '21 at 15:30

To answer your original question, I would guess that a .006 would not work with a mid-level pressure system. It appears that the smallest size would be .012" for the mid-level pressure system.

This write-up for a .008 orifice (which is larger) states that it should not be used with pressure below 250 psi. So the .006 would definitely need a high-pressure misting system, i.e.,1000 psi.

Also most of the specifications for .006-008" orifice by the major misting vendors are associated with high pressure system usage.

The .006" is the smallest size listed for high-level systems (750-1000 psi) so it is highly unlikely that it would work for a mid-level system at 200 psi.

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  • I replaced my .012s that came with my misting system with these .008s: smile.amazon.com/gp/product/B08FT9NVJF/… While looking around for .006s, many mentioned that they were specifically for high pressure, but some did not so I wasn't sure. Aug 23 '21 at 15:29
  • After some more search, I think you are right concerning .006. Aug 23 '21 at 15:49

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