Armstrong E33.2B Series 2 Inch Bronze Circulating Pump

Armstrong E33.2B Bronze Pump

The Armstrong E33.2B is a 2-inch top-tier bronze circulating pump in the ARMflo series, specifically engineered to neutralize corrosion in massive potable water and open-loop distribution systems. Its large-capacity bronze casing is calibrated to stabilize internal pressure while neutralizing the oxidative effects of oxygen-rich water. By integrating an oversized non-ferrous impeller assembly, this unit optimizes laminar flow and facilitates rapid thermal distribution, ensuring that extensive plumbing networks maintain consistent water temperatures at every fixture under sustained high-volume loads.

Utilizing a high-torque motor architecture, the E33.2B executes precise torque delivery to maintain constant flow rates in high-demand potable circuits. The integrated mechanical seal assembly is engineered to sustain vacuum-tight integrity up to 230°F thermal thresholds, preventing fluid loss at the shaft entry point. By leveraging a precision-ground ceramic shaft and industrial-grade bearings, this configuration minimizes mechanical vibration and stabilizes rotational frequency, providing extreme reliability in continuous-duty non-ferrous commercial service.

Key Features of Armstrong E33.2B

• Powerful motor delivers high USGPM flow
• Durable 2 inch bronze body stops corrosion
• Leak proof design prevents thermal leaks
• Superior rotor system ensures quiet operation
• Max 140 USGPM flow capacity ensures performance
• Practical bronze flanges for easy setup
• Versatile 52 foot head for circulation