Armstrong S-45 Series All Bronze Centrifugal Pump 1/4HP

Armstrong S-45 AB Bronze Pump

The Armstrong S-45 AB utilizes an Admiralty Bronze construction to neutralize corrosion-induced mechanical degradation in oxygen-rich potable water systems. Its centrifugal volute design is calibrated to stabilize fluid velocity while minimizing mineral deposition across internal surfaces during high-temperature cycles. By integrating a precision-balanced bronze impeller, this unit facilitates consistent laminar flow and maintains structural integrity in open-loop systems, ensuring reliable hydraulic performance where standard ferrous materials would otherwise suffer from rapid oxidative pitting.

Utilizing a NEMA-rated 1/4HP motor architecture, the S-45 AB executes precise torque delivery via single-phase power synchronization to mitigate electrical consumption at 1725 RPM. The integrated mechanical seal assembly is engineered to sustain vacuum-tight integrity up to 250°F thermal thresholds, preventing leakage at critical junctions. By leveraging permanently lubricated bearings and a corrosion-resistant alloy shaft, this configuration minimizes axial deflection and stabilizes rotational frequency, significantly extending the operational life in high-demand potable water applications.

Key Features of Armstrong S-45 AB

• Powerful 1/4HP motor ensures 1725 RPM
• Durable bronze construction stops corrosion pitting
• Leak proof seal resists 250F heat
• Superior shaft system saves spare costs
• Max 65 USGPM flow ensures circulation
• Practical bronze flanges fit standard setups
• Versatile potable water and industrial service