Bell & Gossett 611T Series 60 Centrifugal Pump 3/4HP

B&G 172744LF Series 60 Model 611T 3/4 HP Pump

The Bell & Gossett 172744LF (Series 60, Model 611T) is a high-performance, Lead-Free three-piece centrifugal circulator engineered to facilitate increased fluid distribution in demanding commercial infrastructures requiring 3-phase power. Its robust casing is calibrated to stabilize internal pressure at high flow rates, while the three-piece architecture facilitates ease of service by allowing the motor and bearing removal without disturbing system piping. By prioritizing a lead-free non-ferrous internal design, this unit facilitates rapid thermal exchange and maintains structural stability, ensuring that large building loops receive reliable pressure delivery during peak operational cycles.

Driven by a high-efficiency 3/4 HP Three-Phase (T) motor, the 172744LF executes superior rotational stability and balanced electrical consumption. The motor is physically isolated from the pump volute via an independent oil-lubricated bearing frame to neutralize heat transfer. By leveraging a precision-aligned shaft and specialized mechanical seal, this configuration minimizes mechanical stress and stabilizes rotational frequency, providing maximum uptime and reliability for continuous-duty commercial circulation service.

Key Features of B&G 172744LF 611T

• Efficient 3/4 HP 3-Phase motor for balanced building power
• Lead-Free construction ensures safety in potable water systems
• Maintenance-friendly 3-piece design facilitates in-line repair
• Superior non-ferrous internals prevent scaling and pitting
• High USGPM flow capacity for medium-to-large commercial networks
• In-line mounting configuration saves valuable floor space
• Versatile application for commercial 3-phase DHW and heating