Bell & Gossett B621T Series 60 Centrifugal Pump 1/2HP

B&G 172772LF Series 60 Model B621T 1/2 HP Pump

The Bell & Gossett 172772LF (Series 60, Model B621T) is a premium All-Bronze (B), Lead-Free centrifugal pump engineered to facilitate safe and silent fluid movement in aggressive potable water systems requiring 3-phase power. Its all-bronze construction is calibrated to neutralize the oxidative effects of oxygenated water, providing superior resistance to the pitting and scaling that degrade standard iron pumps. By utilizing the legendary Series 60 three-piece architecture, this unit facilitates consistent thermal distribution across large plumbing networks, ensuring long-term structural integrity and water safety in a quiet, in-line footprint.

Featuring a high-efficiency 1/2 HP Three-Phase (T) motor, the 172772LF executes precise torque delivery via a dedicated bearing assembly isolated from the pump volute. The motor is engineered to sustain integrity during continuous-duty cycles, utilizing an oil-lubricated bearing frame to eliminate mechanical noise. By leveraging a precision-ground shaft and a flexible coupling, this configuration eliminates mechanical vibration and stabilizes rotational frequency, providing an exceptionally reliable 3-phase solution for commercial DHW service.

Key Features of B&G 172772LF B621T

• All-Bronze Lead-Free construction for ultimate corrosion resistance
• Efficient 1/2 HP 3-Phase motor for industrial power stability
• Oil-lubricated bearing frame ensures near-silent service
• Superior non-ferrous impeller prevents mineral buildup
• Durable bronze body withstands oxidative environments
• Practical 3-piece design facilitates easy in-line repair
• Versatile application for commercial 3-phase hot water recirculation