Armstrong 182212-651 – E23.2 Cast Iron Circulating Pump

Armstrong 182212-651 – E23.2 Cast Iron Circulating Pump

The Armstrong 182212-651 is engineered for precision technical fluid management in high-flow, low-head environments, utilizing efficient dry rotor technology to deliver a maximum flow rate of 95 GPM. This cast iron ARMflo pump features a specialized stainless steel shaft and internal thermal overload protection, providing a professional solution for commercial boiler circulation and hydronic heating. By incorporating a standard 2-bolt flanged connection and a maximum head of 22 feet, this unit solves the problem of motor overheating and flow restriction in high-volume boiler loops, ensuring a stable fluid source for commercial architectures with absolute mechanical consistency and 120 V reliability.

Material integrity in this unit is reinforced by its rugged cast iron body and high-grade stainless steel shafting, ensuring structural stability and corrosion resistance in heating system environments. The dry rotor motor design provides superior energy efficiency compared to traditional wet rotor circulators, while the thermal overload protection prevents motor failure under heavy load conditions. Maintenance is simplified through a maintenance-free design that protects internal Armstrong components from mechanical stress, reducing service intervals and ensuring this high-performance circulating system remains operational under the continuous duty cycles of commercial boiler loops and hydronic heating systems.

Technical Specifications for Armstrong 182212-651

• Efficient dry rotor motor design for 120 V single-phase (1-PH).
• Maximum flow rate reaching 95 GPM (360 LPM).
• Rugged cast iron body material for superior structural durability.
• Maximum head capacity of 22 feet (6.7 m) for low-head loops.
• High-grade stainless steel shaft for enhanced corrosion resistance.
• Integrated internal thermal overload protection for motor safety.
• Standard 2-bolt flanged connection for secure system integration.