The ARO 666101-462B is a 1-inch Pro Series metallic diaphragm pump designed for dependable fluid transfer in demanding industrial environments. With stainless steel wetted parts and bolted construction for leak-free service, it features 1-inch quick coupling cam fittings for straightforward installation. It is rated to a maximum of 120 PSIG (8.3 bar), enabling transfers, filling, recirculation, and batching across industries such as chemical and petrochemical processing. The Pro Series metallic variants deliver up to 35 GPM (133 LPM) at low back pressure, and rely on an Unbalanced air valve to promote no-stall operation for reliable performance in continuous use.
