Gravity Feed The paint, fluid, or coating powders are fed into the gun or applicator by gravity. Pressure Feed The tank, pressure pot, spray cup or vessel is pressurized using compressed air or gas.

“Both the nozzle air inlet and the pressurized water tank are fed by the compressor ... 800, and 900 W/m 2. The module, at 25 C and with water spray cooling applied, achieved efficiencies ...