Description
Bell & Gossett 1BL032 – PL-55 Booster Pump, 2/5 HP, 115V, Cast Iron, Flanged
Overview
The Bell & Gossett PL-55 (Model 1BL032) is a high-efficiency, cast iron booster pump designed for quiet and reliable operation in hydronic heating, geothermal, and radiant applications. Powered by a 115V, 2/5 HP motor, it features a dry-motor, close-coupled design with permanent lubrication and no maintenance requirements—making it ideal for demanding systems and seasonal use.
With a flow capacity of up to 50 GPM and head up to 52 feet, the PL-55 is engineered for powerful performance, superior energy efficiency, and long-lasting durability.
Key Features
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2/5 HP motor (115V, 1-phase) delivers quiet, consistent power
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Max flow rate: 50 GPM, Max head: 52 ft
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Close-coupled motor design improves alignment and reduces vibration
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Alloy steel "Stiff-Shaft" construction prevents cracking from thermal stress
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Permanently lubricated XL-11 bearing system—maintenance-free
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Carbon/silicon carbide mechanical seal on a stainless steel shaft sleeve for extended life
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Double-sided stainless neck ring improves hydraulic efficiency
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Designed to outperform competing pumps by up to 25% in energy savings
Ideal For: Radiant heat, hydronic loops, geothermal heating/cooling, zone pumping
Specifications
| Attribute | Details |
|---|---|
| Model Number | 1BL032 (PL-55) |
| Horsepower | 2/5 HP |
| Voltage | 115V |
| Amperage | 4.7 A |
| Phase | Single Phase |
| Frequency | 60 Hz |
| Pump Type | Booster Pump |
| Material | Cast Iron |
| Max Pressure | 150 PSI |
| Max Temperature | 225°F |
| RPM | 3250 |
| Flow Range | 0 – 50 GPM |
| Max Flow Rate | 50 GPM |
| Head Range | 0 – 52 ft |
| Max Head | 52 ft |
| Connection Type | Flanged x Flanged |
| Connection Sizes | 3/4", 1", 1-1/4", 1-1/2" |
| Seal Material | Carbon/Silicon Carbide |
| Shaft Sleeve | Stainless Steel |
| Bearing System | XL-11 Permanently Lubricated |
| Applications | Hydronic, Radiant, Geothermal Heating |
| Efficiency | Up to 25% more efficient than standard models |
| Maintenance | Zero-maintenance |
