Below are common FAQs about airless spray gun filters.
High pressure Airless spray gun Filter Guide-Reference
FAQ 01: How often do airless paint spray guns filters need to be replaced?
A. This will vary greatly on how much trash
(virtually all latex paint has some trash in it)
is in the paint and the mesh size of the filter.
(In general the finer the filter, the more often it needs to be replaced.)
The filter meshes are made of stainless steel mesh to eliminate rust.
So you almost never replace them due to what you would consider wearing out.
What happens is either the filter becomes so clogged that it is not worth your time
to clean them.Or if the user forgets about the filter and lets enough trash build
around the filter that the airless 2800-3000 PSI pressure has no choice but to blow
a pin hole in the filter.Once a pin hole has formed, the filter must be replaced as the
pin-hole will allow trash to pass through and thus constantly clog your tip.
FAQ 02: How often do the airless spray gun filters need to be cleaned?
A. Normally every time the sprayer is cleaned is all that is needed.
Exceptions would be as below.
1. Your paint has an unusually high amount of “trash”.
2. When using a small tip and the Red Extra-Fine filters. In these cases you may
need to clean the airless sprayer gun filter during a spray job.
For example if spraying a latex paint with a small 211 tip with the Red-Extra fine gun filter;
you may need to clean the filter every 2 to 5 gallons.
(How often will GREATLY depend on how much trash is in the paint)
Easy way to tell the filter needs to be cleaned during spraying
(or replaced if in a hurry) is the reversible spray tip starts to constantly clog.
FAQ 03:What would happen if you used the wrong filter for the tip?
A. Using a larger mesh filter with too small of a tip would result in constant tip clogs.
Using a smaller mesh filter with too large of a tip would result in unnecessary
paint flow restriction.
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