Spray gun with pump is more modern spray equipment than the pressure port. It uses a pump to flow the finishing material to the spray gun. The pump help the flow of the finishing material to the spray gun to be regulated and controlled better. The replacement of finishing material can also be done easier. We do not need to open the tank and wash the tank as in the pressure ports. The cleaning of the pump and the replacement of materials can be done more quickly with flow the washing thinner into the pump and spray gun, then after the pump and spray gun clean enough, the material is replaced with new material.
The installation of spray gun with pump
For medium-scale production, then the finishing materials are placed in a small place such as a bucket or pail and placed in the finishing room. In this case the finishing material is pumped using the low pressure pump, the commonly used is diaphragm pump. But for finishing job with a very large volume, the finishing materials is put in drums placed in a certain place called the mixing room. In the mixing room the finishing materials are mixed, prepared and stirred in their each container. The finishing material is pumped and flowed by a high pressure pump to the spray gun in the finishing room. Pump that used to flow the finishing materials must be strong enough to flow the material from the mixing room to finishing room which could be quite long distance. The pump used usually is piston type pump which has has greater power. This system make the material transport of the finishing materials can be done quickly and more easily to be controlled. The supervision and control of the finishing materials is done in only 1 room, that is the mixing room.
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