ARO 66605J-344 Classic Style Diaphragm Pump is a dependable and versatile fluid transfer solution ideal for a wide range of industrial applications. Built with a 1/2" non-metallic construction, this pump offers excellent resistance to corrosion and chemical attack, making it suitable for handling water-based fluids, chemicals, and other compatible liquids. With a maximum flow rate of 13 GPM, the 66605J-344 delivers efficient performance for general-purpose pumping, transfer, and circulation tasks. The use of PTFE ball material enhances chemical compatibility and provides durable, long-lasting operation even when working with aggressive media. Designed with simplicity and reliability in mind, this Classic-style diaphragm pump features smooth, consistent flow, easy installation, and straightforward maintenance — making it a practical choice for manufacturing, processing, and maintenance environments.
Type: Diaphragm Pump | Max GPM (LPM): 13 GPM / 49.2 LPM | Ratio: 1:1 | Air Inlet (Female): 1/4 - 18 NPTF - 1 | Suspended Solids Max Diameter in. (mm): .09375 (2.4) | Fluid Cap/Manifold: Polypropylene | Seat Section: Poly-propylene | Ball Material: PTFE | Diaphragm Material: PTFE/Santoprene
Features:
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Efficiency - Simul-Shift valve provides ultra-positive, reliable shift signal
- Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation
- Versatility - Broad range in materials of construction for optimum fluid compatibility
- Environmentally Sound - Bolted construction for leak-free fluid handling and ribless fluid caps to eliminate cracking
- Serviceability - Easier service through modular design
Made in USA: 
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warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
