Pressure pot sprayer

JimS

Member
I am spray painting a couple of trailers using Rival 2.8 Topcoat. Use of a pressure pot at 10-20 ounces a
minute is recommended.



I primed using Full-Poxy 491-10. I used a Harbor Freight HPLV, and after a little trial and error, got a
satisfactory prime.



The Topcoat is a very different animal, unlike anything Ive ever used. When I put it through the HPLV it
made a mess. Before I even started, it was dribbling out of the nozzle. I switched to a pressure pot. An
Eclipse ES1:80 or it might be I:80. Ive never used one before. After much trial and error, I wasnt making
a mess but I wasnt getting a satisfactory coat. I cant seem to get a broad spray pattern.



Can anyone turn me on to a source for this sprayer and its use? Are all pressure pots similar? Does
anyone have experience with this paint product to advise on its application? It is obviously thinner than
water as Ive sprayed water before to get familiar with patterns and get them close before drying out and
using a paint.



Thanks.
 
With a pressure pot sprayer you only use enough pressure to push the paint up to the sprayer. I have 25' hoses on mine and I think I only use about 3 psi in the tank. That is with latex or an oil based enamel. Using an automotive paint the pressure should be less.
 
A pressure pot sprayer is a system where you have a pressurized container for the paint and hoses which bring air and paint to the sprayer. HF makes one that holds 2 quarts but you can get one that holds 2 gallons of paint. They work really good for common paint. Since there isn't a cup you can spray the paint at any angle. I've never tried to use a pressure pot for automotive paint. It might work well for primer but I don't think it would atomize the paint well enough for the finish coat. I sure wouldn't use one with epoxy primer. It would take a lot of solvents to clean the primer out of the hose.
 

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