ARO 6661AJ-3EB-C Aluminum Polypropylene Diaphragm Pump is a Pro Series 1″ non-metallic air-operated diaphragm pump designed for efficient and reliable industrial fluid transfer. It features a lightweight aluminum center body that provides durability and structural strength while keeping the pump easy to handle. The polypropylene fluid sections offer excellent resistance to corrosion and chemical attack, ensuring long-lasting performance. It uses Santoprene ball checks for secure sealing and consistent operation with a variety of fluids. The Santoprene diaphragm adds flexibility and chemical compatibility for extended service life. With a maximum flow rate of 47 GPM, the pump delivers smooth and efficient fluid transfer. Its flange and NPT connections allow easy integration into standard piping systems. The pump handles solids up to approximately 1/8″ (3.2 mm) and supports a dry suction lift of about 15 ft (4.6 m). Overall, it is ideal for chemical processing, water treatment, and general industrial applications requiring durable and versatile pumping solutions.
Type: Diaphragm Pump | Max Flow (gpm): 47 | Ratio: 1:1 | Air Inlet NPTF (in.): 1/4 - 18 | Suspended Solids Max Diameter (in.): 0.125 | Fluid Caps Manifold Material: Polypropylene N.P.T. threads (one piece manifold) | Center Body: Aluminum | Seat Material: Polypropylene | Ball Check Material: Santoprene
Features:
- 1″ Non‑Metallic Polypropylene Fluid Sections for superior corrosion and chemical resistance
- Aluminum Center Body for lightweight durability and structural strength
- Santoprene Ball Check Material for enhanced flexibility and reliable sealing with various fluids
- Santoprene Diaphragm that balances chemical resistance with long service life
- Maximum Flow Rate up to 47 GPM for efficient fluid transfer in industrial applications
- Flange/NPT Connections for easy integration into standard piping systems
- Air‑to‑Liquid 1:1 Displacement Ratio for smooth, stall‑free pumping performance
- Handles Solids up to ~3.2 mm for reliable handling of suspended particles
Made in USA: 
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- Type
- Diaphragm Pump
- Ratio
- 1:1
- Max Flow Rate (GPM)
- 47
- Displacement Per Cycle (Gallons)
- 0.17
- Air Inlet
- 1/4" NPTF
- Max Operating Pressure (PSI)
- 120
- Suspended Solids Max Diameter (in.)
- 0.125
- Max Dry Suction Lift (ft.)
- 15
- Sound Level (dbA)
- 64.5
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