66605J-388 ARO 1/2" Polypropylene Non-Metallic Compact Series Air Operated Double Diaphragm Pump
ARO
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ARO
66605J-388 ARO 1/2" Polypropylene Non-Metallic Compact Series Air Operated Double Diaphragm Pump
P/N 66605J-388 ARO 1/2" Polypropylene Non-Metallic Compact Series Air Operated Double Diaphragm Pump
The ARO 66605J-388 is a classic-style 1/2-inch non-metallic Compact Series air-operated double-diaphragm pump designed for dependable fluid handling in industrial and process applications. Its polypropylene construction, combined with polypropylene seats, Polyurethane check balls, and Polyurethane diaphragms, provides a durable fluid-handling configuration in a compact package.
The single-piece manifold design provides a flexible connection arrangement, while the ball-check design, compact construction, and integral muffler support dependable pneumatic operation and convenient installation.
Application suitability should be confirmed based on the specific fluid, temperature, viscosity, chemical compatibility, solids content, and operating conditions.
Operator's Manual - CCN 99449712
Sales & Engineering Data - CCN 15268519
ARO Compact and Pro Series Diaphragm Pumps
| Air Exhaust | Internal standard; 3/8 - 18 NPTF - 1 optional (female) |
| Air Inlet (Female) | 1/4 - 18 NPTF - 1 |
| Air Consumption | 50 microns max |
| Air Supply Filtration Requirement | 1 cfm / gal (approx.) |
| Ball Material | Polyurethane |
| Diaphragm Material | Polyurethane |
| Displacement / Cycle @ 100 psig | 0.040 gal (0.15 L) |
| Fluid Caps and Manifold Material | Polypropylene (1 pc) |
| Material Inlet / Outlet (Female) | 1/2 - 14 NPTF - 1 |
| Maximum Air Inlet Pressure | 100 psig (6.9 bar) |
| Maximum Dry Suction Lift | 15 ft (4.5 m) |
| Maximum Flow Rate (Flooded Inlet) | 13 gpm (49.2 lpm) |
| Maximum Material Inlet Pressure | 10 psig (0.69 bar) |
| Maximum Outlet Pressure | 100 psig (6.9 bar) |
| Maximum Particle Size / Max Solids | 3/32" dia. (2.4 mm) |
| Maximum Temperature Limits | 32°–150°F (0°–66°C) (limited by Polypropylene and Polyurethane) |
| Muffler | Integral |
| Noise Level @ 70 psig, 60 cpm | 71.1 dB(A) |
| Product Series | Compact Series / Non-Metallic |
| Ratio | 1:1 |
| Seat Material | Polypropylene |
| Weight | 7.2 lb (3.3 kg) |
| ACCESSORIES / SERVICE: | |
| Air Line Connection Kit | 66073-1 |
| Air Section Service Kit | 637141 |
| Filter / Regulator - 1/4" NPT | P39124-600 |
| Fluid Section Service Kit (Without Seats) | 637140-88 |
| Valve Seat - Polypropylene | 93098-1 |
