GNB

Burks Series GNB 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 GNB Series Centrifugal Pumps

Heavy-Duty Frame-Mounted Pumps Built for Reliable Industrial Service

The Burks GNB Series from Crane Pumps & Systems is a proven line of frame-mounted end suction centrifugal pumps designed for demanding commercial and industrial applications. Engineered for continuous-duty operation, the GNB Series combines rugged construction, efficient hydraulic performance, and maintenance-friendly features to deliver dependable service in circulation, transfer, and booster pumping systems.

Available in a wide range of configurations, the GNB Series handles flows up to 1,100 GPM and heads up to 380 feet, making it an ideal choice for industrial process systems, HVAC circulation, cooling water applications, water treatment facilities, and general liquid transfer operations.

Key Features

• Robust frame-mounted design for long service life

• Heavy-duty radial split casing for maximum strength and durability

• Back pull-out construction allows servicing without disturbing piping

• Enclosed bronze impeller engineered for high efficiency and smooth operation

• Self-adjusting mechanical shaft seal for reliable leak protection

• Replaceable casing wear ring helps reduce maintenance costs

• Grease-lubricated ball bearings provide extended operating life

• Centerline discharge design minimizes piping strain

• Factory tested to ensure dependable hydraulic performance

Performance Capabilities

• Flows up to 1,100 GPM

• Heads up to 380 feet

• Available in 1750 and 3450 RPM configurations

• Working pressures up to 200 PSI

• Discharge sizes from 1.5" to 3"

• Horsepower ranges from 1 to 75 HP

• Designed for continuous-duty industrial operation

Advanced High-Temperature Option

Many GNB Series models are available with Burks' MJ Jacketed Seal design for handling hot water, heat transfer fluids, and elevated-temperature applications. This unique jacketed seal cavity helps extend seal life and improve reliability in systems operating at temperatures up to 500°F.

Typical Applications

• HVAC heating and cooling systems

• Industrial process water circulation

• Cooling tower systems

• Water treatment facilities

• Pressure boosting systems

• Manufacturing and processing plants

• Liquid transfer applications

• Wastewater and plating operations

• General-purpose industrial pumping

Why Choose the Burks GNB Series?

The Burks GNB Series delivers the durability, efficiency, and serviceability required in today's industrial environments. With a rugged frame-mounted design, high-performance hydraulics, and easy maintenance access, these pumps provide a dependable solution for facilities seeking long-term reliability and reduced lifecycle costs. Whether used for circulation, transfer, or booster service, the GNB Series continues the Burks tradition of engineered performance and proven value.