6661B3-3EB-C ARO 1" Polypropylene Non-Metallic Pro Series Air Operated Double Diaphragm Pump
ARO
$1,569.94
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ARO
6661B3-3EB-C ARO 1" Polypropylene Non-Metallic Pro Series Air Operated Double Diaphragm Pump
P/N 6661B3-3EB-C ARO 1" Polypropylene Non-Metallic Pro Series Air Operated Double Diaphragm Pump
The ARO 6661B3-3EB-C is a 1-inch non-metallic Pro Series air-operated double-diaphragm pump designed for dependable fluid transfer in demanding industrial and process applications. Its durable cast-iron center body and colorless polypropylene fluid-contact construction, combined with Santoprene® diaphragms, Santoprene® check balls, and polypropylene seats, provide a strong balance of structural durability, long flex life, and broad chemical resistance for handling abrasive fluids, slurries, and diverse industrial media.
The three-piece manifold configuration provides flexible ANSI flange porting options, while the bolted, seal-less construction supports reliable pneumatic operation and convenient serviceability. This pump is well suited for fluid transfer, circulation, filling, batching, and other applications where dependable performance, durability, and ease of maintenance are important.
Application suitability should be confirmed based on the specific fluid, temperature, viscosity, chemical compatibility, solids content, and operating conditions.
Note - Correction to Operator's Manual revised 7-26-24: Model description chart should indicate Center Body Material code "B" for Cast Iron and is incorrectly printed as "A"
Operator's Manual - CCN 81660326
Sales and Engineering Data - 15260946
ARO Compact and Pro Series Diaphragm Pumps
| Air Inlet | 1/4 - 18 NPTF |
| Ball Material | Santoprene® |
| Center Body Material | Cast Iron |
| Diaphragm Material | Santoprene® |
| Displacement / Cycle @ 100 psi | 0.17 gal (0.64 L) |
| Fluid Cap / Manifold Material | Colorless Polypropylene, Flange (3-piece manifold) |
| Maximum Air Inlet Pressure | 120 psig (8.3 bar) |
| Maximum Dry Suction Lift | 15 ft (4.6 m) |
| Maximum Flow Rate (Flooded Inlet) | 47 gpm (177.9 LPM) |
| Maximum Material Inlet Pressure | 10 psig (0.69 bar) |
| Maximum Outlet Pressure | 120 psig (8.3 bar) |
| Maximum Operating Temperature | 32 ° to 175 °F (0 ° to 79 °C) (limited by Polypropylene specs) |
| Maximum Particle Size / Max Solids | 1/8" (3.2 mm) |
| Noise Level @ 70 psi, 60 cpm | 64.5 dB(A) |
| Product Series | Pro Series / Non-Metallic |
| Ratio | 1:1 |
| Seat Material | Polypropylene |
| Weight | 28.8 lbs (13.06 kgs) |
| ACCESSORIES: | |
| AIR SECTION SERVICE KIT | 637118-C |
| FLUID END SERVICE KIT (SANTOPRENE) 1" | 637161-EB-C |
| ARO SEAT POLY REPLACES P/N 67175-1 | 94707-1 |
| ARO 1500 SERIES PIGGYBACK | P39224-600 |
