Quote:
Originally Posted by Mark McLeod
The flow control fittings typically only restrict the air flow in one direction if that's what you are worried about.
For instance, NAS2201F-N01-07S translates to: 1/4" elbow, meter-out, one-touch fitting, NPT, 1/8"port, 1/4" tubing, with seal. The fittings are marked on the side with a large arrow (no restriction) and a small arrow (restricted flow) showing the direction.
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Mark -- Ah, that's very useful info. I didn't understand what "meter out" meant, but now I get it. That's a clever fitting. I also found a
description of the NAS2201F-N01-07S which says the same thing you said, that flow is only restricted from the threaded port (i.e., the cylinder) to the tube, but is free-flowing from the tube to the threaded port (cylinder). So, we can restrict the exhaust, without impeding the inflow of air when moving the cylinder in the opposite direction. Sounds perfect, and it appears the NAS2201F-N01-07S fittings I ordered today will do the trick. Many thanks!