2'' EXP Non-Metallic Aro Transfer Pump


Maximum Flow: 184 GPM (696 LPM)

Maximum Discharge Pressure: 120 PSI (8.3 bar)

Fluid Ports Inlet/Outlet: 2” ANSI/DIN Hybrid Flange (Side or Center Ports)

Material of Construction: Polypropylene, PVDF, Conductive Polypropylene, Conductive PVDF

Maximum Solids: 1/4 inches (6.4 mm)

Maximum Dry Suction Lift: 14 feet (4.2 meters)

Product Description

2” EXP Non-Metallic Aro Transfer Pump


ARO EXP 2” non-metallic pumps achieve flow rates of up to 184 GPM (696.4 LPM) and offer a wide array of material and porting configurations. 2” non-metallic pumps are often used for transfer, filling, recirculation and batching in Chemical, Industrial and Water/Wastewater treatment markets.

Available with Long-life PTFE diaphragms.


Up to 4 times the life of traditional diaphragm pumps due to the EXP’s 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


  • 66312 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
  • 67237 Diaphragm Failure Detection Kit
  • 67350 Cycle Counter Kit
  • 67323 Continuous-Duty Muffler
  • 67341-E20N Flange Connection Kit
  • 637369 Air Section Service Kit
  • 637373-XX Fluid Section Service Kit

Pump Casing Materials

  • PVDF (Kynar)
  • Polypropylene
  • Conductive PVDF
  • Conductive Polypropylene

Diaphragm Materials

  • LongLife PTFE (not available on Conductive PVDF)
  • Nitrile
  • Santoprene
  • Medical Grade Santoprene
  • PTFE w/ Santoprene backer
  • Viton
  • Hytrel



Ratio: 1:1

Maximum Flow:  184 GPM (696 lpm)

Displacement per cycle: 1.4 gallons (5.3 liters)

Air Inlet (Female): 3/4 – 14 N.P.T.

Fluid Inlet/Outlet: 2” A.N.S.I./DIN Hybrid Flange (Side or Center Ports)

Max. operating pressure: 120 PSI (8.3 bar)

Suspended solids maximum diameter: 1/4” (6.4 mm)

Polypropylene, Side Ported  85.3 lbs (38.7 kg)
Polypropylene, Center Ported   91 lbs (41.2 kg)
PVDF, Side Ported  110.9 lbs (50.3 kg)

Maximum dry suction lift: 14 ft (4.2 m)

Sound Level: 70 PSI     60 Cycles/Min    85.0 db(A)

Muffler Included:  93139