ARO 1-1/2” non-metallic diaphragm pumps are frequently used in transfer, filling, recirculation and supply in Chemical, Industrial and Water/Wastewater treatment markets. Our 1-1/2” models achieve flow rates of up to 123.1 GPM (465.9 LPM) and also offer a diverse selection of material and porting configurations.

Available with Long-life PTFE diaphragms.

Features

  • The Ultimate in chemical resistant pump design.
  • Best ‘Total Cost of Ownership’ in the industry.
  • 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 design to eliminate cracking
  • Serviceability – Easier service through modular design

Accessories

  • 66084-1 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
  • 67237 Diaphragm Failure Detection (DFD)
  • 67350 Cycle Counter Kit
  • 67341-E15N Flange Connection Kit (side flange)
  • 67341-C15N Flange Connection Kit (center flange)
  • 637389 Air Section Service Kit
  • 637391-XX Fluid Section Service Kit

Pump Casing Materials

  • PVDF (Kynar)
  • Polypropylene

Diaphragm Materials

  • LongLife PTFE
  • Santoprene
  • Hytrel
  • Nitrile
  • Medical Grade Santoprene
  • PTFE w/ Santoprene backer
  • Viton

Specifications

  • Maximum Flow gpm (lpm): 123 (465)
  • Maximum Discharge Pressure psi (bar): 120 (8.3)
  • Fluid Ports Inlet/Outlet (bsp): 1-1/2” ANSI/DIN Flange (Side or Center)
  • Material of Construction: Polypropylene, PVDF, Conductive, Polypropylene
  • Maximum Solids in (mm): 1/4 (6.4)
  • Maximum Dry Suction Lift ft (m): 14 (4.2)