G9A-1-1 / 2

Burks Series G9A-1-1/2 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 G9A-1-1/2 Series Close-Coupled Centrifugal Pumps

Heavy-Duty Performance for High-Flow Commercial and Industrial Applications

The Burks G9A-1-1/2 Series close-coupled centrifugal pumps are engineered for demanding commercial, industrial, municipal, and process applications that require higher flow rates, increased pressure capabilities, and dependable long-term performance. Featuring a rugged radial split casing design, heavy-duty construction, and proven Burks hydraulic efficiency, the G9A-1-1/2 Series delivers reliable service in water circulation, transfer, boosting, and process systems.

Designed for continuous-duty operation, these pumps offer the hydraulic capacity needed for larger systems while maintaining the installation advantages of a close-coupled configuration. Their versatile design makes them well suited for HVAC systems, cooling towers, industrial process water, water distribution systems, and general-purpose fluid transfer applications.

Key Features

• Close-coupled end suction centrifugal pump design

• Heavy-duty radial split casing construction

• Centerline discharge reduces piping stress and promotes reliable operation

• Back pull-out design allows maintenance without disconnecting piping

• Enclosed bronze impeller for maximum hydraulic efficiency

• Replaceable casing wear ring helps extend pump life

• Mechanical shaft seal for dependable leak protection

• Bronze shaft sleeve protects against shaft wear and corrosion

• Eight-position discharge rotation for installation flexibility

• Factory tested for hydraulic performance and reliability

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

Performance and Connection Sizes

The G9A-1-1/2 Series is designed for larger fluid-handling systems that require both high flow and substantial pressure capabilities.

Performance Highlights

• Capacities up to 960 GPM

• Heads up to 380 feet

• Horsepower ranges from 1 HP to 15 HP

• 2-1/2" suction connection

• 2" discharge connection

• Maximum liquid temperatures up to 225°F

• Maximum inlet pressure of 100 PSI

• Maximum casing working pressure of 200 PSI

• Available in 1750 RPM and 3500 RPM configurations

• Continuous-duty operation

The large 2-1/2-inch suction connection provides efficient liquid entry into the pump, while the 2-inch discharge connection delivers the pressure and flow required for demanding commercial and industrial applications.

Available Connection Styles

The G9A-1-1/2 Series is available in both NPT threaded and flanged configurations to accommodate a wide range of piping systems and installation requirements.

NPT Threaded Connections

Threaded models are ideal for commercial facilities, packaged equipment, booster skids, and general industrial applications where compact installation and lower initial costs are priorities.

Benefits of NPT Connections

• Economical installation

• Compact system footprint

• Simplified piping modifications

• Easier equipment replacement

• Well suited for OEM and packaged systems

• Reduced installation complexity

Flanged Connections

Flanged models are preferred for larger piping systems and higher-flow applications where secure connections, piping support, and simplified maintenance are critical.

Benefits of Flanged Connections

• Improved piping alignment

• Enhanced support for larger pipe sizes

• Easier pump removal during service

• Greater reliability in high-flow systems

• Ideal for industrial, municipal, and institutional applications

• Simplifies long-term maintenance

Designed for Easy Maintenance

The G9A-1-1/2 Series features Burks' proven back pull-out construction, allowing maintenance personnel to access the rotating assembly without removing the pump casing or disconnecting piping. This reduces downtime, lowers service costs, and simplifies routine maintenance procedures.

Additionally, the replaceable casing wear ring helps maintain pump efficiency while protecting critical casing components from wear.

Typical Applications

• HVAC heating and cooling systems

• Chilled water circulation

• Cooling tower systems

• Water transfer and distribution

• Pressure boosting systems

• Industrial process water applications

• Manufacturing facilities

• Municipal water systems

• Commercial buildings

• Institutional facilities

• General fluid transfer operations

Why Choose the Burks G9A-1-1/2 Series?

The Burks G9A-1-1/2 Series combines capacities up to 960 GPM, heads up to 380 feet, and horsepower options from 1 to 15 HP in a rugged, maintenance-friendly package. Available with both NPT threaded and flanged connection options, these pumps provide the performance, flexibility, and long-term reliability required for demanding commercial and industrial pumping applications. Whether used for circulation, transfer, or pressure boosting, the G9A-1-1/2 Series delivers dependable results year after year.