The Aro air pump 666053 388 is an air-operated double diaphragm pump. It's a positive displacement pump using two sets of flexible membranes to pump fluids. A series of check valves ensure the fluid can only travel in one direction through the chamber. Pump cycling will begin as air pressure is applied. Notable specs include a 20-100 PSI rating and a 13 GPM max.
In need of an Aro air pump? This compact double diaphragm pump provides peak performance in a small package. It's a positive displacement pump offering a wide selection of corrosion-resistant materials to accommodate even the most difficult applications. A patented stall-resistant air valve continuously keeps its pump running. The compact size of these Aro pneumatic pumps makes them ideal for car wash applications. Modular design is easy to service and the bolted construction allows for leak free handling.
As you dig into the specifications, you'll find impressive traits for this Aro air pump such as a 13 GPM maximum, 100 PSI maximum, and 150 F temperature maximum. The air inlet measures 1/4" while both the inlet and outlet ports measure 1/2" connections.