The advantages of a sprayer that eliminates icing

Icing is a problem that is inherent to all air motors. It can be caused by a number of factors, such as the compressed air temperature, dew point, pressure, and volume flow rate, or the ambient air temperature, dew point and air flow. Air quality can influence icing, especially if it contains contaminants. Icing can also be caused by the motor air valve material or geometry, the cycle rate of the motor, and by any exhaust port restrictions such as a muffler. All these factors can interact in unpredictable ways and can be temporary, often occurring in particular times of the year as the seasons change.

Icing can lead to one or more of a variety of common problems, the worst being a complete shutdown of the pump. A partially iced-up pump may display erratic pressure fluctuations. For example, it will slow down during the changeover process, and a higher pressure drop (a “wink” in the spray pattern) will occur. Or the air motor might stop but will restart after the ice melts (which can take a long time). Icing may also require you to do a lot of air supply or fluid control adjustments to maintain a constant cycle rate.

There are several possible solutions to motor icing, but the most effective solution to simply to eliminate the need for an air motor. No air motor = no more icing issues; it’s as simple as that! The Graco KING sprayer is an electric solution that will keep you spraying at the pump’s maximum potential, and make your jobs run smoother every single time.