2” Metallic Expert

ARO Expert Series 2" Ported Metallic Diaphragm Pump, 172 GPM (651 LPM) flow. The Ultimate in heavy duty pump design! 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 and ribless fluid caps to eliminate cracking. Serviceability - Easier service through modular design. Pump Casing Materials: Aluminum, Cast Iron, Stainless Steel & Hastelloy-C. Diaphragm Materials: Santoprene, Hytrel, Nitrile, Medical Grade Santoprene, PTFE w/ Santoprene backer & Viton