6661A3-322-C ARO 1" Polypropylene Non-Metallic Pro Series Air Operated Double Diaphragm Pump
ARO
$1,399.28
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ARO
6661A3-322-C ARO 1" Polypropylene Non-Metallic Pro Series Air Operated Double Diaphragm Pump
P/N 6661A3-322-C ARO 1" Polypropylene Non-Metallic Pro Series Air Operated Double Diaphragm Pump
The ARO 6661A3-322-C is a non-metallic Pro Series 1-inch air-operated double-diaphragm pump designed for dependable fluid transfer in industrial and process applications. Its aluminum center body and colorless polypropylene fluid section, combined with Nitrile diaphragms, Nitrile check balls, and polypropylene seats, provides a durable fluid-handling configuration for a variety of applications.
The three-piece manifold design provides a flanged connection configuration, while the bolted construction and ball-check design support dependable operation and convenient serviceability. This pump is suited to common transfer, recirculation, filling, and supply duties across chemical, industrial, water/wastewater treatment, and other process environments.
Application suitability should be confirmed based on the specific fluid, temperature, viscosity, chemical compatibility, solids content, and operating conditions.
Operator's Manual - CCN 81660326
Sales and Engineering Data - CCN 15260946
ARO Compact and Pro Series Diaphragm Pumps
| Air Exhaust (Female) | 3/8 - 18 NPTF - 1 |
| Air Inlet (Female) | 1/4 - 18 NPT |
| Air Supply Filtration Requirement | 50 microns max |
| Ball Material | Nitrile |
| Center Body Material | Aluminum |
| Diaphragm Material | Nitrile |
| Displacement / Cycle @ 100 psig | 0.17 gal (0.64 L) |
| Fluid Cap / Manifold Material | Colorless Polypropylene, Flange (3-piece manifold) |
| Material Inlet / Outlet | 1" Flange, ANSI Class 150 / DIN |
| 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 Temperature Limits | 32°–175°F (0°–79°C) (limited by Polypropylene) |
| Maximum Particle Size / Max Solids | 1/8" dia. (3.2 mm) |
| Muffler | Integral |
| Noise Level @ 70 psig, 60 cpm | 64.5 dB(A) |
| Product Series | Pro Series / Non-Metallic |
| Ratio | 1:1 |
| Seat Material | Polypropylene |
| Weight | 20.25 lb (9.19 kg) |
| ACCESSORIES / SERVICE: | |
| Air Line Connection Kit | 66073-2 |
| Air Section Service Kit | 637118-C |
| Filter / Regulator - 1/4" NPT | P39224-600 |
| Flange Connection Kit | 67078 |
| Fluid Section Service Kit (Without Seats) | 637161-22-C |
| Valve Seat - Polypropylene | 94707-1 |
