3” Metallic Expert

ARO Expert Series 3" Ported Metallic Diaphragm Pump, 275 GPM (1040.9 LPM) flow. The Ultimate in heavy duty pump design! The best of any diaphragm pump on the market today! Up to 4 times the life of traditional diaphragm pumps due to the EXP's new convoluted diaphragm design! Efficiency - Simul-Shift™ valve provides ultra-positive, reliable shift signal. Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation. Versatility - Broad range in materials of construction for optimum fluid compatibility. Environmentally Sound - Bolted construction for leak-free fluid handling. Serviceability - Easier service through modular design. Pump Casing Materials: Aluminum, Cast Iron, Stainless Steel & Hastelloy-C. Diaphragm Materials: Santoprene, Hytrel, Nitrile & Viton