Bell & Gossett e-1531 1-1/4AC Centrifugal Pump 1HP 1750RPM

B&G 1-1/4AC Series 1531 1HP

The Bell & Gossett Series 1531 Model 1-1/4AC is engineered for efficient low-flow operation, utilizing a space-saving close-coupled design to maintain hydraulic stability at 1750 RPM. This 1-1/4AC model focuses on creating a smooth laminar flow path that eliminates air entrainment and prevents the onset of cavitation in smaller hydronic or domestic water systems. The casing is cast with high-grade materials to ensure structural integrity, keeping the impeller aligned to prevent the mechanical friction that causes localized overheating and pressure drops.

With a 1 HP 1750 RPM motor, the Bell & Gossett 1531 1-1/4AC offers exceptional electrical efficiency for continuous-duty applications. The motor windings are protected against thermal degradation up to 225°F, ensuring that the mechanical seal is not compromised by radiant heat from the fluid. By maintaining a steady torque-to-load ratio, the electrical drive reduces shaft deflection, which directly lowers maintenance costs and extends the operational lifespan of the internal bearing assemblies in standard commercial setups.

Key Features of Bell & Gossett 1531

• Powerful motor 1 HP ensures 1750 RPM
• Durable construction withstands 175 PSI pressure
• Leak proof seal prevents 225F temperature leaks
• Superior shaft system reduces maintenance costs
• Max 80 USGPM flow capacity ensures performance
• Practical 1.25 inch connection fits standard setups
• Versatile applications for 45 foot head lift