ARO
ARO 666053-333 — 1/2" Polypropylene Diaphragm Pump, Viton Diaphragm
ARO 666053-333 — 1/2" Polypropylene Diaphragm Pump, Viton Diaphragm
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The ARO 666053-333 is a 1/2" air-operated double-diaphragm (AODD) pump from ARO's compact 66605X series — self-priming, run-dry capable, and rated to about 13 GPM running on plant air up to 100 psi.
This build uses Viton (FKM) diaphragms and check balls with polypropylene seats and an all-polypropylene wetted path. Viton offers broad resistance to aggressive chemicals, acids, fuels, solvents and higher-temperature fluids, making this a good choice for harsher chemical-transfer duty where Nitrile or Neoprene would degrade.
Bolted construction keeps the fluid path leak-tight and ARO's unbalanced air valve is designed to resist stalling. Not sure this build suits your fluid? Send us your application details and we'll confirm the right elastomer and part number. KAD is Texas-based — order online, ship from the US, and reach US-based support before you buy.
Specifications
| Brand | ARO (Ingersoll Rand) |
| Model / MPN | 666053-333 |
| Series | 66605X compact series |
| Pump type | Air-operated double diaphragm (AODD) |
| Port / inlet size | 1/2 in |
| Max flow | 13 GPM (49.2 LPM) |
| Max fluid pressure | 100 psi (6.9 bar) |
| Max air inlet pressure | 100 psi (6.9 bar) |
| Solids handling | 3/32 in |
| Diaphragm material | Viton (FKM) |
| Ball (check valve) material | Viton (FKM) |
| Seat material | Polypropylene |
| Fluid caps & manifold | Polypropylene |
| Max fluid temperature | Elastomer-dependent — see datasheet |
| Sound level | 71.1 dB(A) |
| Weight | 9.4 lb |
| Displacement | Positive displacement |
Browse all air-operated diaphragm pumps, or all pumps, at KAD.
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