Performance Highlights

• Flow Rates: Capable of handling up to 285 gpm (1,079 lpm), providing a 55% increase in flow compared to the ARO EXP 2” pump.
• EXP Air Motor Design: Ensures efficient and faster transfer of materials.

Material Options for Durability

• Pump Casing Materials:
  • Polypropylene: Known for chemical resistance and durability.
  • PVDF: Offers high resistance to aggressive chemicals.
• Diaphragm Options:
  • Long-Life PTFE: Ideal for extended use in challenging conditions.
  • Santoprene®, Hytrel®, Buna-N, and PTFE with Santoprene® backer: Suitable for various application needs.

Advanced EXP Features

• Cost Efficiency: Tested to have the best total cost of ownership (TCO) among major competitive models.
• Reliability:
  • Patented lube-free differential valve ensures consistent operation.
  • SimulShift (Pilot Valve) eliminates operational worries with reliable performance.
• Ease of Maintenance:
  • Modular construction simplifies repairs and reduces downtime.
  • Fewer parts and easy-to-use repair kits lower maintenance costs.
• Process-Ready Design:
  • Offers electronic interface capability for precise flow control and consistent operation.
  • Features such as End of Stroke (EOS) feedback and leak detection enhance operational monitoring.

Enhanced Productivity

• Maximizes flow rates while reducing pulsation and air consumption, ensuring efficient operation and improved throughput.

This 3” non-metallic ARO EXP diaphragm pump is ideal for industries needing reliable and high-performance liquid transfer solutions, such as chemical processing, food and beverage, water treatment, and more. Its advanced materials and features provide versatility to meet a wide range of operational demands.

Air Inlet Pressure Range. . . . . . . . . . . . 20 - 120 psig (1.4 - 8.3 bar)
Maximum Material Inlet Pressure. . . 10 psig (0.69 bar)
Fluid Outlet Pressure Range. . . . . . . . 20 - 120 psig (1.4 - 8.3 bar)
Maximum Flow Rate (flooded inlet). . . . . 285 gpm (1079 lpm)
Displacement / Cycle @ 100 psig. . . . 2.80 gal. (10.6 lit.)
Maximum Particle Size. . . . . . . . . . . . . 3/8” dia. (9.5 mm)
Maximum Temperature Limits (diaphragm / ball / seal material)
E.P.R./EPDM. . . . . . . . . . . . . . . . . -60° to 280° F (-51° to 138° C)
Hytrel®. . . . . . . . . . . . . . . . . . . . . . -20° to 180° F (-29° to 82° C)
Nitrile. . . . . . . . . . . . . . . . . . . . . . . 10° to 180° F (-12° to 82° C)
Polypropylene. . . . . . . . . . . . . . . 32° to 175° F (0° to 79° C)
PVDF (Kynar®).. . . . . . . . . . . . . . . 10° to 200° F (-12° to 93° C)
Santoprene®. . . . . . . . . . . . . . . . -40° to 225° F (-40° to 107° C)
PTFE. . . . . . . . . . . . . . . . . . . . . . . . 40° to 225° F (4° to 107° C)
Viton®. . . . . . . . . . . . . . . . . . . . . . . -40° to 350° F (-40° to 177° C)
Noise Level @ 70 psig - 60 cpm. . . . 85.3 dB(A)

• 66109 - Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
• 637369 - Air Motor Service Kit
• 6373447-AA, 637447-GG, 637447-TL, 637447-TT - Fluid Section Service Repair Kit
• End of Stroke Sensors: 97121 - Regular Duty
• Leak Detection: 67237 - Regular Duty