Hot Spray


All heated paint re-circulation systems work in very much of a same manner, the paint goes from pump, through a heater that has thermostatic control for the heat of the paint, on through to the gun which invariably has a return line going back to the heater through a re-circulation line, this makes sure the paint does not cook in the heater and also ensures the paint does not drop below a minimum paint heat level.
When the trigger is pulled, heated paint is then pushed through the gun and atomizes through the tip.

It can be necessary to use paint heating when the paint is too heavy to spray (paint thins out with heat), the paint is normally ok to spray but the ambient temperature frequently drops below 5′c, the paint needs additional heat to start its cure reaction

Paint heater example:



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