Bell & Gossett 102226 HD3 Series Cast Iron Centrifugal Pump 1/3HP

B&G 102226 HD3 Circulating Pump 1/3 HP

The Bell & Gossett 102226 (Series HD3) is a Heavy Duty (HD) centrifugal sirkulator engineered to facilitate massive fluid distribution in high-resistance commercial hydronic systems. Its robust 3-inch discharge volute is calibrated to stabilize high-velocity flow while neutralizing the turbulent kinetic energy common in large-scale circulation cycles. By prioritizing a high-capacity internal architecture and casing integrity, this unit facilitates rapid thermal distribution and maintains structural stability, ensuring that large building heating and cooling distribution networks receive reliable pressure delivery under the most demanding peak operational loads.

Driven by a powerful 1/3 HP high-torque motor, the HD3 executes superior rotational control to maintain constant flow rates regardless of system pressure fluctuations. The three-piece design utilizes an oversized oil-lubricated bearing frame to isolate the motor from the pump volute, neutralizing heat transfer and mechanical vibration. By leveraging a heavy-duty shaft and a precision-aligned spring coupling, this configuration stabilizes rotational frequency and protects the internal drive components, significantly extending the mean time between failures in industrial-grade applications.

Key Features of B&G 102226 HD3

• Powerful 1/3 HP motor for high-volume demand
• Durable cast iron body with 3 inch flanges
• Oil-lubricated bearing frame ensures quiet reliability
• Superior oversized impeller for maximum lift
• High USGPM flow capacity for large loops
• Practical 3-piece architecture for easy overhaul
• Versatile application for heavy-duty HVAC service