aro Pro Series diaphragm pumps

Diaphragm pumps are portable, self-priming, sealess design, explosion-proof, having low materials shear, can be run dry without damage, easy to apply. ARO® diaphragm pumps come with standard air exhaust muffler, manifold porting options, bolted construction, leveraging technology, heavy duty ball, "unbalanced" air valve, independent pilot rod, check valves etc.