ARO
ARO 666152-3EB-C — 1-1/2" Cast Iron Diaphragm Pump, Santoprene Diaphragm
ARO 666152-3EB-C — 1-1/2" Cast Iron Diaphragm Pump, Santoprene Diaphragm
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The ARO 666152-3EB-C is a 1-1/2" air-operated double-diaphragm (AODD) pump from ARO's Pro Series 1-1/2" metallic line — self-priming, run-dry capable, and rated to about 90 GPM on compressed air up to 120 psi.
This build pairs Cast Iron fluid caps and manifold with Polypropylene seats, Santoprene check balls and Santoprene diaphragms. The air motor uses an aluminum center section. Santoprene is a tough, value-oriented elastomer with good general chemical compatibility, well suited to water-based and mildly aggressive fluids. Bolted construction keeps the fluid path leak-tight, and ARO's patented unbalanced air valve is designed to resist stalling and ice-up.
It is built for higher-volume transfer, filling, recirculation and supply in chemical, industrial and water/wastewater service. Not sure this build suits your fluid? Send us your application details and we'll point you to the right part number.
KAD is a Texas-based seller — order online, ship from the US with a short lead time, and reach US-based support if you have a sizing or compatibility question before you buy.
Specifications
| Brand | ARO (Ingersoll Rand) |
| Model / MPN | 666152-3EB-C |
| Pump type | Air-operated double diaphragm (AODD) |
| Port / inlet size | 1-1/2 in |
| Max flow | 90 GPM (340.7 LPM) |
| Max fluid pressure | 120 psi (8.3 bar) |
| Max air inlet pressure | 120 psi (8.3 bar) |
| Solids handling | 1/4 in (6.4 mm) |
| Diaphragm material | Santoprene |
| Ball (check valve) material | Santoprene |
| Seat material | Polypropylene |
| Fluid caps & manifold | Cast Iron (with aluminum center section) |
| Max fluid temperature | Up to 175°F (79°C) — limited by the polypropylene wetted path |
| Sound level | ~80.5 dB(A) |
| Weight | ~79.5 lb (36.1 kg) |
| Displacement | 0.64 gal (2.42 L) per cycle |
Datasheet: ARO 66615X–66618X-C — Sales & Engineering Data (PDF)
Browse all air-operated diaphragm pumps, or all pumps, at KAD.
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