Bell & Gossett Series PD40 Three-Piece Booster Pumps

Heavy-Duty Three-Piece Booster Pump Performance for Hydronic Systems

Bell & Gossett Series PD40 three-piece booster pumps are designed for reliable circulation in hydronic heating, cooling, and general service applications. Built with a service-friendly three-piece configuration, the PD40 provides dependable operation while allowing easier field repair when maintenance is required.

The Series PD40 is part of Bell & Gossett’s in-line booster pump family and is available with iron or bronze body construction to match different system requirements. Bronze construction should be used where potable water is supplied, while cast iron models are commonly used in closed-loop hydronic systems.

Designed for quiet, efficient operation, Bell & Gossett booster pumps are equipped with Bell & Gossett manufactured motors and rugged internal components. The PD40 includes a mechanical carbon-on-ceramic seal, heat-treated carbon steel shaft, permanently lubricated ball bearings, and a flexible sleeve-type coupler for dependable performance.

Product Features

• In-line three-piece booster pump design
• Designed for hydronic heating and cooling systems
• Suitable for general service and compatible fluid applications
• Available in cast iron or bronze body construction
• Bronze construction should be used for potable water applications
• Three-piece configuration supports field repairability
• Compact construction for easier installation
• Bell & Gossett manufactured motor supports quiet and efficient operation
• Mechanical carbon-on-ceramic seal
• Heat-treated carbon steel shaft
• Permanently lubricated ball bearing design
• Flexible sleeve-type coupler
• Standard Bell & Gossett 60 Hz single- and three-phase motor packages are CSA certified

Operational Data

• Maximum working pressure: 125 PSI / 682 kPa
• Maximum operating temperature with standard seal: 225°F / 107°C continuous
• Maximum operating temperature with special seals: 250°F / 121°C continuous
• Maximum motor speed: 1750 RPM

Construction Details

• Body: cast iron or bronze
• Seal: mechanical, carbon on ceramic
• Shaft: heat-treated carbon steel
• Bearings: permanently lubricated ball bearings
• Coupler: flexible sleeve type

Common Applications

• Hydronic heating systems
• Hydronic cooling systems
• Closed-loop circulation
• Potable water applications with bronze models
• General service pumping