Armstrong S-55-1 Series Bronze Centrifugal Pump 1/2HP

Armstrong S-55-1 Bronze Pump

Optimized for domestic water recirculation, the Armstrong S-55-1 AB utilizes an Admiralty Bronze construction to neutralize corrosion-induced mechanical degradation. 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 impeller, this unit facilitates consistent laminar flow and maintains structural integrity in open-loop systems where oxygen-rich water would otherwise compromise standard ferrous materials.

Utilizing a NEMA-rated motor architecture, the Armstrong S-55-1 AB executes precise torque delivery to mitigate electrical consumption during sustained operation. 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 shaft, this configuration minimizes axial deflection and stabilizes rotational frequency, significantly extending the operational life in potable water applications.

• Powerful 1/2HP motor ideal for 1750 RPM
• Durable bronze construction withstands harsh open systems
• Leak proof premium seal prevents water leaks
• Superior shaft system reduces long term costs
• Max 225F temperature perfect for heating setups
• Practical bronze connection ensures easy residential installation
• Versatile potable water distribution and industrial service