Airless spray paint fan pattern tailing.

Tailing when spraying with an airless paint sprayer is a phenomena where two distinct heavier lines of paint appear on either edge of the paint spray pattern. Inside these heavier edge lines there may be no paint or very little paint before the spray pattern reappears and often becomes heavier towards the center.

Tailing with airless paint sprayers can be the result of several different factors or a combination of factors.

A few good reasons why you would want to use an airless paint sprayer.

Reasons to make use of airless coating sprayers are that they are faster, Better coverage can be achieved plus airless sprayers have become extremely versatile and inexpensive
Airless Painting Gear Enables You To Finish Very quickly, Saving Time and cash!

Diagnosing problems with airless piston pump pressure valves.

Here is a way to test your piston airless spray pump to ensure the inlet valve and outlet valves, including the relief valve are functioning correctly.

This test is much easier to do and see the results with a large longer stroking airless piston pump compared to a small short stroke fast cycling piston airless sprayer.

A small airless spray tip that slows the output of the airless piston pump will make this test easier to read.