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Gravity Feed Spray Gun

Spray guns all have the same thing in general - the atomization of liquid at the tip where the paint leaves the fluid nozzle. There are two passageways in a spray gun - one for air and one for fluid. Atomization is accomplished by a vacuum formed by the air rushing past the fluid passage while drawing the fluid into the air stream. At this point, air is mixed with fluid and a spray mist ejects from the nozzle. 

A type of Spray gun is the Gravity feed spray gun. GFSG or also known as Gravity feed spray gun, helps you achieve sufficient atomization. The paint has to be fed from the top down into the nozzle that is referred to as gravity feed spray gun. During the 1980’s, gravity feed spray guns came into broad use and their reputation has overtaken the utilization of conventional feed types of spray guns. Painters have begun to favor guns over conventional feed guns and the introduction of High Volume Low Pressure (HVLP) as a necessity by environmental laws that enables guns, the natural pick.

How to properly use Gravity feed types of spray gun

Using Gravity Feed spray guns is very simple that is if you correctly follow the appropriate steps. Below are set of instructions to properly guide you when it comes to using a Gravity type of spray gun:

  • For the Liquid content of the spray gun, you should mix the liquid/paint with the right thinning agent. Gravity Feed spray guns, unlike any other spray guns, does not release paint at high speed. Gravity feed spray guns spurts thorough but gentle mist. Paint must be diluted for you to appropriately mist. The appropriate percentage of paint thinning is 10 to 15 percent but does not conclude to all. Knowing the manufacturer’s auto paint instructions would be best for HVLP to be accurate.

 

 

  • Afterwards, you should connect the Gravity Feed Spray Gun to an air compressor. The nozzle, which is responsible for connecting the air compressor hose, is commonly found on the very back end of the gravity feed spray gun.

 

  • Regulating the pressure using the knob located at the foundation of the gun’s handle is a must. A pounds per square inch (PSI) of 50 does great as a starting point

 

  • When you’ve set the PSI to 50, you should then pull the gravity feed spray gun’s trigger, holding it down until the PSI gauge is stable and gives a steady reading of 50 pounds per square inch (PSI).

 

  • With a paint filter, pour the paint through. A reminder when mixing the paint, you need to filter the product initially in order to achieve the best paint job because dust and other small particles can get inside the mixture.

 

  • You should then fill the HVLP spray gun (Gravity Feed spray gun) paint dispenser with the mixture of the diluted paint.

 

  • On a piece of metal, as an example, you should test the gun. Grasp the gun with a 2 feet gap between the metal and paint it in a slow and sweeping action.

 

The PSI setting of the gun would usually vary on the piece that you are working. For a piece that needs thick coverage you can increase the number. If the piece requires a gentler mist and is detail-oriented in coverage, decreasing the PSI number is required.