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)