ARO 2" EXP Series Non-Metallic Diaphragm Pump

PX20P-XXX-XXX

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The ARO 2″ EXP Series Non-Metallic Diaphragm Pump delivers high-flow performance with a maximum flow of 184 gpm (696.4 lpm) and discharge pressure of 120 psi (8.3 bar). Featuring 2” ANSI/DIN hybrid flange ports (side or center), it’s constructed from durable polypropylene or PVDF for corrosion resistance. Ideal for metal finishing, electroplating, anodizing, chemical transfer, and wastewater treatment, this pump handles solids up to 1/4” (6.4 mm) and offers reliable, no-stall operation with ARO’s Simul-Shift™ valve. Optional long-life PTFE diaphragms extend service life up to four times longer than traditional designs, ensuring efficiency in demanding industrial settings.

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1'' EXP Non-Metallic Air Operated Diaphragm Pump for Chemical Transfer
Manufacturer: ARO Fluid Handling
Product Type: Non-Metallic Air Operated Diaphragm Pump
Applications: Metal finishing, electroplating, anodizing, chemical transfer, wastewater treatment
Key Features:
  • Max flow: 184 gpm (696.4 lpm)
  • Max pressure: 120 psi (8.3 bar)
  • Bolted, leak-free design
Maximum Flow: 184 gpm (696.4 lpm)
Maximum Discharge Pressure: 120 psi (8.3 bar)
Fluid Ports: 2” ANSI/DIN Hybrid Flange (Side or Center Ports)
Materials: Polypropylene, PVDF
Maximum Solids: 1/4” (6.4 mm)
Air Inlet: 3/4 – 14 NPT (Female)
Weight: Polypropylene: 85.3-89 lbs (38.7-40.4 kg), PVDF: 110.9-116.8 lbs (50.3-53 kg)
Position 1 2 3 4 5 6 7 8 9
Example PX20 X X X S X X X A
Position 1
Model Series		 PD20 – Standard Pump
PE20 – Electronic Interface Accessible Pump
Position 2
Center Section		 E – Conductive Polypropylene
P – Polypropylene
Position 3
Connections		 F – 2″ ANSI/DIN Hybrid Side Flange
Y – 2″ ANSI/DIN Hybrid Center Flange
Position 4
Wetted Parts		 E – Conductive Polypropylene*
K – PVDF
N – Conductive PVDF*
P – Polypropylene
Position 5
Hardware		 S – SS
Position 6
Seat Material		 K – PVDF
P – Polypropylene
Position 7
Ball Material		 A – Santoprene®
C – Hytrel®
G – Nitrile
T – PTFE
V – Viton®
Position 8
Diaphragm Material		 A – Santoprene®
C – Hytrel®
G – Buna-N
L – Long-Life PTFE
T – PTFE/Santoprene®
V – Viton®
Position 9
Revision Level		 Revision Level
Position 10 & 11
Specialty Code		 Fluid control options for pump with electronic interface (PE20 mode). See complete description on next page.

* Acceptable for use in hazardous locations – NEC / CEC: Class I&II, Div 1&2, Group A-D – ATEX Zone 1&2, 21&22
Hytrel® is a registered trademark of DuPont Company, Santoprene® is registered trademark of Monsanto, and Viton® is a registered trademark of ExxonMobil.