george koller on fri 11 apr 03
Hello Ann, Others...
My work has me spending a lot of time with nozzles of
more than a few types - including clogged.
The best way I have ever found (relatively simple / and
seems to work) is to use a syringe with a tubing connection
such that you can draw hot water (or solvent) In and Out.
Once you have a nice big syringe of the 50CC variety
(you can get from a veterinarian?) you need to somehow
hook up connection to your nozzle, usually by first finding
just the right tubing that must fit snuggly over it. Then work
with this tubing to get it to connect to a fitting on the syringe.
(A trip to a good hardware store should do, you'll only need
couple inches of whatever combo you come up with.)
By "pumping" the handle of the syringe BOTH ways gently
but with increasing force you can dislodge just about anything
eventually - and a nice gizmo to keep around the studio. (As
I try to think what is happening the large ratio of syringe area
to your nozzle is giving you a tremendous hydraulic advantage,
and working it both ways just seems to be the extra advantage
needed)
Best,
George
PS We have used nozzles as small as 0.003" but have recently
settled on the "big" 0.0075" diameters for dispensing our
metal sulfates as colorants.
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