G6-1-1 / 4

Burks Series G6-1-1/4 close coupled centrifugal pumps are available in 1750 RPM with capacities to 1100 GPM, heads to 95 feet, and in 3500 RPM with capacities to 950 GPM, heads to 380 feet. These rugged pumps allow maximum pumping temperatures to 225°F; pump models with the optional MJ Jacketed Seal® allow temperatures to 500°F. Burks Series G pumps accept inlet pressure to 100 PSI, case working pressure to 200 PSI, and suction from 1 ½" to 5", with discharge from 1 ¼" to 4".

All Series G Models feature standard construction bronze fitted cast iron, and are also available in all bronze or all iron. Flanged casing is available on 2" and 2 ½" pumps; 3" and 4" pumps are flanged only. And every Burks pump is factory tested to meet stringent Hydraulic Institute standards.

Burks G6-1-1/4 Series Close-Coupled Centrifugal Pumps

Compact End Suction Pumps for Commercial and Industrial Service

The Burks G6-1-1/4 Series close-coupled centrifugal pumps are engineered to provide dependable fluid handling in commercial, industrial, and OEM applications. Designed with rugged construction, efficient hydraulics, and a space-saving footprint, these pumps deliver reliable performance for water circulation, boosting, transfer, and process duties.

The G6-1-1/4 Series combines the installation advantages of a close-coupled design with the durability that has made Burks a trusted name in pumping solutions. Built for continuous-duty service, these pumps offer efficient operation, simplified maintenance, and long-term reliability in demanding environments.

Key Features

• Close-coupled end suction design reduces installation space requirements

• Four-position casing allows discharge orientation to match system piping layouts

• Back pull-out construction enables servicing without disturbing piping connections

• Enclosed bronze impeller provides efficient hydraulic performance and smooth operation

• Replaceable casing wear ring helps protect the casing and reduce maintenance costs

• Self-adjusting mechanical seal delivers dependable sealing performance

• Stainless steel shaft provides excellent corrosion resistance and durability

• Factory tested to ensure reliable operation and performance

• Available in bronze-fitted, all-bronze, and all-iron material configurations

Performance and Connection Sizes

The G6-1-1/4 Series is designed for applications requiring moderate flow rates and higher head performance. Standard models feature a 1-1/2" suction connection and a 1-1/4" discharge connection, providing efficient liquid handling while maintaining compact pump dimensions.

Performance Highlights:

• Capacities up to 80 GPM

• Heads up to 135 feet

• 1-1/2" suction connection

• 1-1/4" discharge connection

• Maximum liquid temperature of 225°F with standard seals

• Inlet pressures up to 100 PSI

• Casing working pressures up to 200 PSI

• Available in single-phase and three-phase motor configurations

• 3500 RPM operation for demanding commercial and industrial applications

Maintenance-Friendly Design

The G6-1-1/4 Series is engineered for simplified service and reduced downtime. The back pull-out design allows maintenance personnel to access the rotating assembly without disconnecting system piping, while the replaceable wear ring helps extend pump life and maintain hydraulic efficiency.

Optional High-Temperature Configuration

For hot water systems, heat transfer fluids, and elevated-temperature applications, the G6-1-1/4 Series is available with an optional Jacketed Seal Cavity design. This configuration helps prolong mechanical seal life and provides reliable performance in high-temperature service conditions.

Typical Applications

• HVAC heating and cooling systems

• Hot water circulation systems

• Boiler feed and condensate transfer

• Cooling tower circulation

• Chilled water systems

• Industrial process water

• Pressure boosting applications

• Commercial building services

• OEM equipment packages

• General water transfer applications

Why Choose the Burks G6-1-1/4 Series?

The Burks G6-1-1/4 Series offers a dependable combination of hydraulic efficiency, rugged construction, and maintenance-friendly design. With its 1-1/2" suction and 1-1/4" discharge connections, compact footprint, and proven Burks engineering, it provides an ideal solution for facilities seeking reliable performance and long-term value from their pumping equipment.