Bell & Gossett 1EF027LF e611S Series e-60 Pump 3/4 HP
Bell & Gossett 1EF027LF (e611S) is a powerful 3/4 HP single-phase in-line pump designed for high-efficiency commercial HVAC circulation, featuring a maintenance-free seal and optimized e-series hydraulics.
- Series: e-60 Bronze-Fitted.
- Motor: 3/4 HP Single Phase (1750 RPM).
- Bearing Frame: XL-11 Permanently Lubricated.
- Construction: Cast Iron body / Bronze impeller.
- Efficiency: Optimized hydraulic profile.
Description
Bell & Gossett 1EF027LF e611S
The Bell & Gossett 1EF027LF engineering focuses on a high-efficiency vertical in-line design with a 1.5-inch flanged body to manage commercial fluid volumes effectively. By maintaining a steady laminar flow profile across the entire operating range, this Series e-60 hydronic circulator eliminates the turbulence that leads to internal pressure drops and cavitation-induced pitting on the volute. This structural rigidity is essential for maintaining the alignment of the close-coupled rotating assembly, protecting the casing from mechanical fatigue during high-volume transfers in demanding HVAC loops.
Equipped with a 3/4 HP motor, the Bell & Gossett 1EF027LF delivers the necessary mechanical advantage for high-head requirements at 1725 RPM. The electrical system is optimized for balanced load distribution, keeping the motor and seal environment well within the 225°F thermal safety limit for standard EPR seals. This relationship between electrical efficiency and mechanical longevity prevents the hardening of elastomeric seal components and protects the motor windings from the heat-induced degradation common in high-resistance piping networks.
Key Features of Bell & Gossett e611S
- Powerful motor 0.75 HP ensures 1725 RPM
- Durable construction withstands 175 PSI pressure
- Leak proof seal prevents 225 temperature leaks
- Superior shaft system reduces maintenance costs
- Max 100 USGPM flow capacity ensures performance
- Practical 1.5 inch connection fits standard setups
- Versatile applications for 25 foot head lift
Bell & Gossett 1EF027LF Series e-60 Model e611S (3/4 HP) Specs
| Technical Parameter | Official Specification (Verified) |
|---|---|
| Brand & Model | Series e-60 High Efficiency (e611S) |
| SKU / Part Number | 1EF027LF |
| Horsepower (HP) | 3/4 HP |
| Electrical Phase | Single-Phase (1-PH) |
| Voltage Configuration | 115 / 208–230 V |
| Pump Size | 2 x 2 x 5.25 (2" Flanged) |
| Impeller Diameter | 4.875" (Bronze) |
| Max Operating Temp | 250°F (121°C) |
| Application Information | Industrial HVAC Booster; Large Scale Closed Loops |
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