1-1/2" Ports


1½” Pro Series Non-Metallic

100 GPM (378.5 LPM)



  • Robust construction with thick walled injection molded fluid casings and Cast Iron or Aluminum center sections to withstand the toughest industrial applications!!
  • Efficiency - Motor design delivers optimum air efficiency
  • Reliability - ARO's patented "Unbalanced" air valve ensures no-stall operation
  • Versatility - Small enough to transport from location to location, but large enough to mount at and handle your industrial application location
  • Environmentally Sound - Bolted construction for leak-free fluid handling
  • Serviceability - Easy access to ball checks and fluid caps for maintenance and repairs



  • 66084-1 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
  • 67079 Flange Connection Kit: converts connection to N.P.T.F. threading configurations
  • 66975 Cycle Counter Kit
  • 637118-C Air Section Service Kit
  • 637165-XX Fluid Section Service Kit


Pump Casing Materials

  • Polypropylene
  • PVDF (Kynar)


Diaphragm Materials

  • Viton
  • PTFE (PTFE) w/ Santoprene backer
  • Hytrel
  • Santoprene
  • Nitrile
  • Neoprene
  • E.P.R.


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