
ARO 650949-R4B Hydraulic Four-Ball Piston Pump
ARO 650949-R4B is a hydraulically operated four-ball piston pump with a 0.3:1 ratio, PTFE/UHMW-PE packing, and a ceramic-coated hardened stainless-steel plunger. It delivers up to 17 GPM and supports fluid pressures up to 386 PSI for high-volume transfer of light- to medium-viscosity fluids.
The ARO 650949-R4B is a hydraulically operated four-ball piston pump with a 0.3:1 pressure ratio and 5.75-inch stroke. It is designed for high-volume transfer of light- to medium-viscosity fluids, with a maximum flow rate of 17 GPM and fluid pressure range of 15 to 386 PSI.
This R4B configuration uses PTFE and UHMW-PE packing with a ceramic-coated hardened stainless-steel plunger. The double-acting lower pump delivers material on both the upstroke and downstroke. It has a 1-1/2-inch NPTF material inlet and 1-inch NPTF material outlet. Confirm fluid compatibility and hydraulic-system requirements before ordering.
| Brand | ARO |
|---|---|
| Product Type | Pump |
| Application | Marine Pump/Equipment |
| Inlet/Outlet Connection Type | NPTF |
| Inlet Size | 1-1/2 in |
| Outlet Size | 1 in |
| Material - Seal | PTFE/UHMW-PE |
| Seal Type | Packing |
| Max Flow | 17.0 gpm (64.4 lpm) |
| Max Temperature | 130°F (54°C) |
| Fluid Pressure Range | 15 - 386 psi (1.0 - 26.6 bar) |
| Lower Pump End | 67200-X4X |
| Lower Pump Repair Kit | 637317-X4B |
| Stroke Length | 5.75 in |
| Turndown Ratio | 0.3:1 |
| Motor | Hydraulic |
| Notes | Piston Pump |
| Displacement | Positive Displacement |
