ARO 3" EXP Non-Metallic Air Operated Diaphragm Pump

PX30P-XXX-XXX-XXX

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The ARO 3″ EXP Non-Metallic Air Operated Diaphragm Pump delivers industry-leading performance with flow rates up to 285 gpm (1,079 lpm) and a maximum pressure of 120 psi (8.3 bar). Constructed with polypropylene or PVDF wetted parts and available with long-life PTFE diaphragms, this pump excels in transferring corrosive fluids for metal finishing, electroplating, anodizing, chemical processing, and water/wastewater treatment. Its EXP air motor design boosts efficiency by 55% over the 2″ model, while the Simul-Shift™ valve ensures reliable, no-stall operation. With a modular build and lube-free differential valve, it offers low maintenance and a superior total cost of ownership (TCO).

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ARO 3" EXP Non-Metallic Diaphragm Pump for Chemical Fluid Transfer
Manufacturer: ARO Fluid Handling (Ingersoll Rand)
Product Type: Non-Metallic Air Operated Diaphragm Pump
Applications: Metal finishing, electroplating, anodizing, chemical processing, water treatment
Key Features:
  • Flow rate: Up to 285 gpm (1,079 lpm)
  • Max pressure: 120 psi (8.3 bar)
  • Materials: Polypropylene or PVDF, PTFE diaphragms available
  • 55% more flow than 2″ EXP models
Flow Rate: Up to 285 gpm (1,079 lpm)
Maximum Pressure: 120 psi (8.3 bar)
Fluid Ports: 3″ ANSI/DIN flange (side or center)
Materials: Polypropylene, PVDF (wetted parts); PTFE diaphragms optional
Air Inlet: 3/4″ – 14 NPT (female)
Maximum Solids: 3/8″ (9.5 mm)
Maximum Dry Suction Lift: 14 ft (4.2 m)
Weight: Approx. 105-135 lbs (47.6-61.2 kg, varies by configuration)
Certifications: ATEX compliant (select models)
Ordering
Position 1 2 3 4 5 6 7 8 9 10 11
Example: PX30 P X S – X – X – A X
Position 1 Model Series
PD30 Standard Pump
PE30 Electronic Interface Accessible Pump
Position 2 Center Section
P Polypropylene
Position 3 Connections
D 3” ANSI 4-hole flange
S 3” DIN 8-hole flange
Position 4 Wetted Parts
K PVDF
P Polypropylene
Position 5 Hardware
S SS
Position 6 Seal Material
P Polypropylene
Position 7 Valve Material
A Santoprene
C Hytrel
G Buna-N
T PTFE
V Viton
Position 8 Diaphragm Material
A Santoprene
C Hytrel
G Buna-N
N Long-Life PTFE
T PTFE/Santoprene
Position 9 Revision Level
Position 10 & 11 Specialty Code
Ordering Position 10
Specialty Code 1 (Blank if no Specialty Code)
A Solenoid 120VAC
B Solenoid 12VDC
C Solenoid 24VAC
D Solenoid 24VDC
N Solenoid with no coil
Ordering Position 11
Specialty Code 2 (Blank if no Specialty Code)
E End of stroke feedback + Leak Detection
F End of stroke feedback
L Leak Detection
O No Option