GA6-1-1 / 4

Burks Series GA6-1-1/4 close coupled centrifugal pumps offer motor sizes from 1/3 to 10 HP, and are available in 1750 and 3500 RPM with capacities to 360 GPM and heads to 230 feet. These reliable pumps operate to maximum pumping temperatures of 225°F. Series GA models are rated for use on inlet pressures to 100 PSI, and case working pressures to 200 PSI, with suction from 1 ¼" to 2 ½" NPT, and discharge from 1" to 2" NPT. Pumps feature standard bronze fitted cast iron construction, and are also available in all bronze or all iron. Noryl® impellers are available on the GA5-1 and 1 ¼", and the GA6-1-1/4 models. Each Burks GA pump is factory tested to meet Hydraulic Institute standards.

Burks GA6-1-1/4 Series Close-Coupled Centrifugal Pumps

Compact Design with Higher Performance Capability

The Burks GA6-1-1/4 Series close-coupled centrifugal pumps are engineered for commercial, industrial, municipal, and OEM applications that require dependable performance, efficient operation, and a compact installation footprint. Designed with Burks' proven hydraulic technology, these pumps provide reliable fluid movement for circulation, transfer, boosting, and process applications where long-term performance matters.

Built for continuous-duty service, the GA6-1-1/4 Series offers higher capacity and pressure capabilities than smaller close-coupled models while maintaining the space-saving advantages and maintenance simplicity that make the Series GA line a popular choice among contractors, engineers, and facility operators.

Key Features

• Close-coupled end suction centrifugal pump design

• Compact footprint for space-efficient installations

• Four-position casing for flexible discharge orientation

• Back pull-out construction simplifies maintenance and service

• Enclosed bronze impeller for efficient hydraulic performance

• Mechanical shaft seal for dependable leak protection

• Bronze shaft sleeve helps minimize wear and corrosion

• Factory tested for quality and performance assurance

• Available in bronze-fitted, all-bronze, and all-iron construction

• Continuous-duty motor design for commercial and industrial applications

Performance and Connection Sizes

The GA6-1-1/4 Series is designed for medium-capacity pumping applications requiring dependable performance and installation flexibility.

Performance Highlights

• Capacities up to 120 GPM

• Heads up to 140 feet

• Horsepower ranges from 1/2 HP to 5 HP

• 2" suction connection

• 1-1/4" discharge connection

• Maximum liquid temperatures up to 225°F

• Inlet pressures up to 100 PSI

• Casing working pressures up to 200 PSI

• Available in 3500 RPM configurations

• Single-phase and three-phase motor options available

The larger 2-inch suction connection promotes efficient fluid entry into the pump, while the 1-1/4-inch discharge provides the pressure performance required for more demanding circulation and transfer systems.

NPT Threaded Connections

The GA6-1-1/4 Series is typically supplied with NPT threaded connections, providing a streamlined and cost-effective installation solution for commercial and industrial applications.

Benefits of NPT Connections

• Lower installation costs

• Simplified piping modifications

• Compact system design

• Easier pump replacement and servicing

• Ideal for OEM equipment and packaged systems

• Reduced installation complexity

Designed for Easy Maintenance

Maintenance is simplified through Burks' proven back pull-out design, allowing service personnel to remove the rotating assembly without disconnecting piping. This reduces downtime and simplifies routine maintenance procedures.

The four-position casing design also provides flexibility during installation, making it easier to adapt the pump to existing piping layouts and equipment configurations.

Durable Construction

The GA6-1-1/4 Series is built with high-quality materials designed for long service life in demanding environments. The enclosed bronze impeller provides excellent hydraulic efficiency, while the bronze shaft sleeve protects the shaft in critical wear areas.

Available material configurations include:

• Bronze-Fitted Cast Iron

• All Bronze

• All Iron

These options allow engineers and facility managers to select the most appropriate material combination for their specific fluid and operating conditions.

Typical Applications

• HVAC heating and cooling systems

• Chilled water circulation

• Hot water recirculation

• Water transfer applications

• Pressure boosting systems

• Commercial building services

• Industrial process water

• Cooling equipment

• OEM equipment packages

• Irrigation systems

• General fluid handling applications

Why Choose the Burks GA6-1-1/4 Series?

The Burks GA6-1-1/4 Series delivers the ideal combination of compact design, hydraulic efficiency, and long-term reliability. With capacities up to 120 GPM, horsepower options from 1/2 to 5 HP, and a robust close-coupled configuration, these pumps offer dependable performance for a wide range of commercial and industrial fluid-handling applications. Whether serving a building circulation system, process application, or OEM package, the GA6-1-1/4 Series provides the durability and value expected from Burks pumps.