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Charlotte Stonestreet
Managing Editor |
Digital pressure gauges for spray guns
27 January 2020
A paint spray gun is a tool for applying paint and dispersion colours. It enables even results and makes it easier to work across larger areas and objects.

The paint is atomised to small droplets with the help of compressed air from a compressor or a pump and applied onto the object. The drops are deposited onto the object and form a joined surface film, provided that enough is applied.
The atomisation of drops is created from the pressure difference generated by the compressor. A negative pressure is produced through the outflowing air which draws the paint out of the connected paint container.
The pressures used can be set exactly to the operator’s requirements with the help of KELLER 4L sensor. KELLER manufactures a miniature digital gauge which displays the precise operating pressure of the spray gun on a digital LCD screen. These digital gauges are custom designed to be easily integrated by the Original Equipment Manufacturer; ultimately enabling the end user to accurately control the paint spraying pressure.
KELLER collaborates with several paint spray guns industry leaders. Their products are mainly used to paint vehicles, in the painting trade or other industrial sectors.
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