GNA6-1-1 / 2

Burks Series GNA6-1-1/2 Base Mounted 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. The base mounted pump models are rated for use on inlet pressure to 100 PSI and in case working pressures to 200 PSI, with suction sizes from 1 ½" to 5", and discharge sizes from 1 ¼" to 4".

Burks GNA6-1-1/2 Series Centrifugal Pumps

Reliable Performance for Demanding Industrial Applications

The Burks GNA6-1-1/2 Series is a rugged line of base-mounted end suction centrifugal pumps engineered for dependable fluid handling in commercial, municipal, and industrial systems. Built with Burks' proven radial-split casing design and heavy-duty construction, these pumps deliver reliable performance, simplified maintenance, and long service life in demanding environments.

Designed for versatility, the GNA6-1-1/2 Series offers capacities up to 1,100 GPM and heads up to 380 feet, making it an excellent choice for water circulation, pressure boosting, process water transfer, HVAC systems, cooling towers, industrial wash systems, and other general-purpose pumping applications.

Key Features

• Heavy-duty radial split casing for strength and durability

• Back pull-out design allows maintenance without disconnecting piping

• Enclosed bronze impeller for efficient, smooth, vibration-free operation

• Self-adjusting mechanical seal for dependable performance and reduced maintenance

• 316 stainless steel shaft for enhanced corrosion resistance

• Replaceable casing wear ring helps extend pump life and reduce repair costs

• Grease-lubricated ball bearings provide long-term operational reliability

• Factory tested for dependable hydraulic performance and quality assurance

Performance Highlights

• Capacities up to 1,100 GPM

• Heads up to 380 feet

• Working pressures up to 200 PSI

• Inlet pressures up to 100 PSI

• Suction sizes from 1-1/2" to 5"

• Discharge sizes from 1-1/4" to 4"

• Optional jacketed seal cavity configurations available for elevated-temperature fluid applications

Typical Applications

• HVAC heating and cooling systems

• Commercial building water circulation

• Industrial process water systems

• Cooling tower circulation

• Water transfer and booster systems

• Irrigation and utility services

• Manufacturing and production facilities

• General industrial fluid handling

Why Choose the Burks GNA6-1-1/2 Series?

The Burks GNA6-1-1/2 Series combines durable construction, efficient hydraulic performance, and maintenance-friendly design to provide a reliable pumping solution for a wide variety of commercial and industrial applications. With multiple material configurations, high-pressure capabilities, and proven Burks engineering, these pumps are built to deliver dependable performance and long-term value.