ARO EXP 2” metallic pumps achieve flow rates of up to 172 GPM (651 LPM) and offer a wide array of material and porting configurations. These pumps are often used for transfer, filling, recirculation and batching in Ceramic, Paint, Oil & Gas, Chemical and Petrochemical markets.
Available with Long-life PTFE diaphragms.
- EXPert & Compact Series Air Operated Diaphragm Pumps – Catalog
- Long-Life PTFE Diaphragm Pump Flyer
- PX20X-XXX-XXX-BXXX Operator’s Manual
- PX20R-XXX-XXX-BXXX Operator’s Manual
- PD20A-XXX-XXX-B / PD20S-XXX-XXX-B / PE20A-XXX-XXX-B / PE20S-XXX-XXX-B Sales & Engineering Data
Features
- The Ultimate in heavy duty pump design.
- Up to 4 times the life of traditional diaphragm pumps due to the EXP’s new 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
Accessories
- 66312 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
- 67237 Diaphragm Failure Detection Kit
- 67350-1 Cycle Counter Kit
- 67263 Continuous-Duty Muffler
- 67174-20 Screened Inlet Adapter Kit
- 637369 Air Section Service Kit for PX30R
- 637421 Air Section Service Kit for PX20A and PX20S
- 637309-XX Fluid Section Service Kit
Pump Casing Materials
- Aluminum
- Cast Iron
- Stainless Steel
- Hastelloy-C
Diaphragm Material
- Long Life PTFE
- Polypropylene
- Hytrel
- Nitrile
- Medical Grade Santoprene
- PTFE(PTFE)/Santoprene backer
- Viton
Specifications
- Maximum Flow gpm (lpm): 172 (651)
- Maximum Discharge Pressure psi (bar): 120 (8.3)
- Fluid Ports Inlet/Outlet (bsp): 2” NPTF Rp2 (2-11 BSP) (Side or Center) 2” ANSI/DIN Flange with 2” pipe tap (SS only/Center)
- Material of Construction: Aluminum, Cast Iron, Stainless Steel, Hastelloy®
- Maximum Solids in (mm): 1/4 (6.4)
- Maximum Dry Suction Lift ft (m): 14 (4.2)
