Bell & Gossett 105102 PD37T 3/4HP Centrifugal Pump

B&G 105102 PD37T BI 3-Phase Bronze Impeller Pump

The Bell & Gossett 105102 (PD37T BI) is a specialized 3-Phase centrifugal sirkulator featuring a Bronze Impeller (BI) to facilitate enhanced durability in corrosive commercial environments. The integration of a non-ferrous impeller into the robust cast iron volute stabilizes fluid velocity and maintains laminar flow, providing superior resistance to the mineral scaling common in high-temperature loops. This configuration facilitates consistent head pressure and maintains structural integrity, ensuring that commercial systems requiring 3-phase power receive long-term hydraulic reliability even under demanding water chemistry conditions.

Utilizing a 3/4 HP 3-Phase high-efficiency motor, the 105102 executes precise torque delivery via the signature B&G three-piece drive assembly. The dedicated bearing frame is oil-lubricated to stabilize rotational frequency and neutralize mechanical noise, while the mechanical seal protects the drive assembly from fluid ingress. By leveraging a precision-ground shaft and a flexible spring coupling, this configuration minimizes axial deflection and protects the motor core, providing a highly reliable and efficient solution for continuous-duty 3-phase commercial service.

Key Features of B&G 105102 PD37T BI

• Powerful 3/4 HP 3-Phase motor for commercial duty
• Durable Bronze Impeller prevents pitting and scaling
• Oil-lubricated bearing frame ensures silence
• Superior spring coupling prevents shaft vibration
• High USGPM flow capacity for large building loops
• Practical 3-piece architecture for quick overhaul
• Versatile application for high-demand hydronic loops