Oil free diaphragm vacuum pump or Oilless diaphragm vacuum pump is a diaphragm vacuum pump that does not require oil for lubrication. It uses working principle by moving the shaft to drive the diaphragm plate and avoid any touching on 2 or more parts. The advantage of this system is no oil contaminatedion air supply.
Mostly, this Oilless (or oil free) diaphragm vacuum pump is used in laboratory, medical application and food industry. It is suitable for filtration, air bubble removal of non-viscous liquids or conveying liquids using vacuum systems.
GAST is a world class brand specializing in quality vacuum pump. DOA and DAA model is oil less (or oil free) diaphragm vacuum pump. The pump is easy to install, compact and portable. It is a fine pump to use at job site that has moved location frequently.
GAST vacuum pump model MOA and MAA is another kind of oilless vacuum pump. This pump comes with foot mount plate and is suitable for installation in place.
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