Armstrong 182212-667 E22.2 Cast Iron Circulator Pump

Armstrong E22.2 Cast Iron Pump

The Armstrong E22.2 is a high-efficiency circulating pump engineered to facilitate rapid fluid circulation in mid-to-large commercial HVAC systems. Its robust cast iron casing is designed to stabilize internal pressure while neutralizing the turbulent kinetic energy common in high-volume hydronic loops. By integrating a high-capacity precision-machined rotor, this unit optimizes laminar flow and facilitates efficient thermal dissipation, ensuring that heating and cooling distribution networks receive consistent volume and pressure delivery under sustained heavy-duty operational loads.

Featuring a high-torque motor architecture, the E22.2 executes precise rotational control to maintain constant flow rates regardless of system pressure fluctuations. The integrated motor protection logic is engineered to sustain integrity up to 230°F thermal thresholds, preventing premature failure due to overheating in high-demand heating loops. By leveraging a robust shaft assembly and industrial-grade bearings, this configuration minimizes mechanical vibration and stabilizes rotational frequency, significantly extending the mean time between failures.

Key Features of Armstrong E22.2

• Powerful motor ensures constant volume flow
• Durable cast iron body withstands 175PSI
• Leak proof seal resists 230F temperature
• Superior rotor system reduces maintenance costs
• Max 105 USGPM flow capacity ensures performance
• Practical in-line flange for easy installation
• Versatile 35 foot head for circulation