G6-1-1 / 2

Burks Series G6-1-1/2 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 G6-1-1/2 Series Close-Coupled Centrifugal Pumps

Higher Flow Performance for Demanding Water Transfer Applications

The Burks G6-1-1/2 Series close-coupled centrifugal pumps are designed to provide dependable, high-efficiency fluid handling for commercial, industrial, and OEM applications. Featuring a rugged end suction design, durable construction, and proven hydraulic performance, these pumps are ideal for water circulation, transfer, pressure boosting, and process system duties.

Engineered for continuous operation, the G6-1-1/2 Series combines a compact footprint with the reliability and serviceability that have made Burks pumps a trusted solution across a wide range of industries. Their versatile design makes them well suited for applications requiring higher flow rates while maintaining efficient operation and long service life.

Key Features

• Close-coupled end suction centrifugal pump design

• Four-position casing for flexible discharge orientation

• Back pull-out construction simplifies maintenance without disturbing piping

• Enclosed bronze impeller engineered for efficient hydraulic performance

• Replaceable casing wear ring helps protect the casing and reduce maintenance costs

• Self-adjusting mechanical shaft seal for reliable leak prevention

• Stainless steel shaft for corrosion resistance and durability

• Factory tested to ensure dependable performance

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

Performance and Connection Sizes

The G6-1-1/2 Series is designed for higher-capacity liquid handling applications and features a 2-inch suction connection and a 1-1/2-inch discharge connection. This connection configuration allows the pump to efficiently move larger volumes of water while maintaining strong hydraulic performance and dependable operation.

Performance Highlights:

• Capacities up to 160 GPM

• Heads up to 140 feet

• 2" suction connection

• 1-1/2" discharge connection

• Maximum liquid temperature of 225°F with standard seals

• Inlet pressures up to 100 PSI

• Casing working pressures up to 200 PSI

• Available in single-phase and three-phase motor configurations

• 3500 RPM operation for demanding commercial and industrial applications

Easy Maintenance and Serviceability

Designed with maintenance personnel in mind, the G6-1-1/2 Series utilizes a back pull-out design that allows the rotating assembly to be removed without disconnecting system piping. This reduces downtime, simplifies service procedures, and helps keep maintenance costs under control.

Additionally, the replaceable wear ring helps maintain hydraulic efficiency while protecting expensive casing components from wear.

Optional High-Temperature Configuration

For applications involving hot water, thermal fluids, and heat transfer systems, the G6-1-1/2 Series is available with an optional Jacketed Seal Cavity design. This configuration helps extend mechanical seal life and improve reliability in elevated-temperature applications.

Typical Applications

• HVAC heating and cooling systems

• Boiler and hot water circulation

• Cooling tower circulation

• Industrial process water systems

• Water transfer and distribution

• Pressure boosting systems

• Manufacturing facilities

• Irrigation and utility services

• Commercial building services

• OEM equipment packages

Why Choose the Burks G6-1-1/2 Series?

The Burks G6-1-1/2 Series delivers an outstanding combination of flow capacity, durability, and maintenance-friendly design. With its 2-inch suction and 1-1/2-inch discharge connections, rugged construction, and proven hydraulic efficiency, it provides a reliable pumping solution for facilities seeking dependable performance, reduced downtime, and long-term value. Whether installed in commercial buildings, industrial plants, or process systems, the G6-1-1/2 Series is built to perform day after day.