Part of our Pro Series of pumps, our 3/4” aluminum metallic diaphragm pump feature big performance in a small package. It can achieve flow rates up to 33 GPM (125 LPM) and offers a wide range of diaphragm materials and porting configurations.

    Benefits

    • The new ARO 3/4″ aluminum air operated diaphragm pump is designed to meet your OEM application needs.
    • Mobility – Compact, rugged design allows for easy mobility
    • Efficiency – Motor design delivers optimum air efficiency
    • Reliability – Our patented Unbalanced air valve ensures no-stall operation
    • Versatility – Available in aluminum, cast iron or stainless steel to withstand tough chemical applications
    • Environmentally Sound – Bolted construction for leak-free fluid handling
    • Serviceability – Easy access to ball checks and fluid caps for maintenance and repairs

    Accessories

    • 66073-2 Air Line Connection Kit contains Piggyback Filter/Regulator, pipe nipple and 5’ section of hose
    • 66100 Wall Mount Bracket
    • 66975 Cycle Counter Kit
    • 637118-C Air Section Service Kit
    • 637119-XX-C Fluid Section Service Kit

    Pump Casing Material

    • Aluminum

    Diaphragm Materials

    • Neoprene
    • Nitrile
    • Viton
    • PTFE with Santoprene backer
    • Hytrel
    • Santoprene

    Specifications

    • Maximum Flow: 33 gpm (125 lpm)
    • Maximum Discharge Pressure: 120 psi (8.3 bar)
    • Fluid Ports Inlet/Outlet:3/4 – 14 NPTF-2 Rp 3/4 (3/4-14 BSP parallel)
    • Material of Construction: Aluminum
    • Maximum Solids: 1/8 inch (3.2 mm)
    • Maximum Dry Suction Lift: 17 ft (5.2 m)