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MAC valves for your airbrush

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  • Member since
    February 2015
MAC valves for your airbrush
Posted by Bick on Tuesday, December 11, 2012 8:38 AM

Hi,

Anyone using an external MAC valve on their airbrush? I’m not a pressure gauge watcher (hard to read the tiny gauge on the SparMax accurately anyway) and just set my compressor at about 20 PSI when I turn it on.  l then adjust pressure up or down to get the spray I want by turning the regulator knob without concern for what is the actual pressure or dial reading. I thought it might be convenient to be able to do this at the brush and a MAC valve might be useful. I know Iwata, Grex and H&S make them but thought I’d ask about usefulness in our use before investing. Thanks!!!

  • Member since
    October 2009
Posted by STJohnson on Tuesday, December 11, 2012 11:25 AM

I have several A/B's & use mac valves on all of them. Personally its just so handy to turn a knob 1/4 turn vs. maybe 3-4 turns on the compressor. It really lets me fine tune the air when using a .2 n/n combo also

  • Member since
    February 2015
Posted by Bick on Wednesday, December 12, 2012 9:53 AM

ST

Thanks, it's that 'convenience' that made me think about the MAC valve. Would you mind telling me what brand you use? I've read on the web that some MAC valves are simply 'bleeder' valves (don't remember the make) and I wouldn't want that. I think the Grex and H&S are true valves. Thanks again.

  • Member since
    June 2010
  • From: Austin, TX
Posted by DoogsATX on Wednesday, December 12, 2012 10:28 AM

I have a Grex G-MAC connected at the end of my air hose, and all of my airbrushes are set up with quick connects for it. Can't recommend it highly enough.

On the Bench: 1/32 Trumpeter P-47 | 1/32 Hasegawa Bf 109G | 1/144 Eduard MiG-21MF x2

On Deck:  1/350 HMS Dreadnought

Blog/Completed Builds: doogsmodels.com

 

  • Member since
    October 2009
Posted by STJohnson on Wednesday, December 12, 2012 11:22 AM

Bick, I  have the Iwata Q/D & the Iwata Mac valves on all of them.

I have also  heard that they are "Bleeder valves" but they still work at dropping the pressure at the nozzle which is all I care about. I even leave my compressor set at 80-90 psi since I have an air blower hoooked in line as well.

  • Member since
    February 2015
Posted by Bick on Wednesday, December 12, 2012 4:43 PM

ST -Thanks, I think I'm gonna give the MAC a try. My compressor doesn't got to 80 PSI but even being able to set it at 40 PSI and adjust at the brush would be nice.

DoogsATX - Thanks very much. I hadn't realized the Grex G-MAC attached to the hose. All my AB's have quick connects so I'd only need one G-MAC rather than a MAC for each AB. Gotta get one.

Many thanks guys.

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