4G9-4F

Burks Series 4G9-4F 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 4G9-4F Series Close-Coupled Centrifugal Pumps

High-Flow Flanged Pumps for Large Commercial and Industrial Systems

The Burks 4G9-4F Series close-coupled centrifugal pumps are designed to deliver exceptional flow capacity, dependable performance, and long service life in demanding commercial, industrial, municipal, and institutional applications. Featuring a rugged radial split casing design and large flanged connections, the 4G9-4F Series is engineered for systems that require efficient fluid movement, reliable operation, and simplified maintenance.

Built for continuous-duty service, these pumps are ideal for chilled water systems, cooling towers, water distribution networks, pressure boosting applications, and industrial process operations where high flow rates and dependable performance are critical.

Key Features

• Close-coupled end suction centrifugal pump design

• Heavy-duty radial split casing construction

• Large flanged suction and discharge connections

• Back pull-out design allows maintenance without disconnecting piping

• Centerline discharge minimizes piping stress

• Enclosed bronze impeller for maximum hydraulic efficiency

• Replaceable casing wear ring extends equipment life

• Mechanical shaft seal for dependable leak protection

• Bronze shaft sleeve helps resist wear and corrosion

• Eight-position discharge orientation for installation flexibility

• Factory tested for performance and reliability

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

Performance and Connection Sizes

The 4G9-4F Series is designed for larger fluid-handling systems requiring substantial flow rates and pressure capabilities.

Performance Highlights

• Capacities up to 1,100 GPM

• Heads up to 380 feet

• Horsepower ranges from 5 HP to 60 HP

• 5" flanged suction connection

• 4" flanged discharge connection

• Maximum liquid temperatures up to 225°F

• Inlet pressures up to 100 PSI

• Casing working pressures up to 200 PSI

• Available in 1750 RPM and 3500 RPM configurations

• Continuous-duty commercial and industrial operation

The oversized 5-inch suction flange promotes smooth fluid entry and improved hydraulic performance, while the 4-inch discharge flange supports the high flow demands typical of large HVAC, industrial, and water distribution systems.

Flanged Connections for System Reliability

The 4G9-4F Series utilizes flanged suction and discharge connections designed for large-diameter piping systems and demanding operating conditions.

Benefits of Flanged Connections

• Improved piping support and alignment

• Enhanced reliability in high-flow applications

• Easier maintenance and equipment replacement

• Reduced stress on pump nozzles

• Ideal for commercial, industrial, and municipal installations

• Simplifies long-term service and system upgrades

Designed for Easy Maintenance

The Burks 4G9-4F Series features a back pull-out design that allows maintenance personnel to remove internal rotating components without disturbing system piping. This reduces service time, minimizes downtime, and lowers maintenance costs.

The replaceable casing wear ring helps protect critical hydraulic surfaces from wear while preserving pump efficiency throughout the life of the equipment.

Durable Construction for Demanding Applications

Built to withstand challenging operating environments, the 4G9-4F Series incorporates high-quality components throughout the pump assembly. The enclosed bronze impeller provides efficient, vibration-free performance, while the heavy-duty sealing system helps ensure long-term reliability.

Typical Applications

• HVAC heating and cooling systems

• Chilled water circulation

• Cooling tower systems

• Water distribution systems

• Pressure boosting applications

• Industrial process water

• Manufacturing facilities

• Municipal water systems

• Institutional and campus infrastructure

• Utility and public works projects

• General industrial fluid handling

Why Choose the Burks 4G9-4F Series?

The Burks 4G9-4F Series combines high-capacity performance, rugged construction, and maintenance-friendly design in a reliable close-coupled pump package. With flow rates up to 1,100 GPM, heads up to 380 feet, and large 5" × 4" flanged connections, these pumps provide the performance and durability required for demanding commercial and industrial fluid-handling applications. Whether serving a cooling system, water distribution network, or process operation, the 4G9-4F Series delivers dependable performance and long-term value.