Product Description
EBARA GS Series
The EBARA GS Series consists of standardised, single-stage horizontal end-suction centrifugal pumps manufactured according to EN 733 dimensions. Moreover, the range is available as a bare-shaft pump or as a complete electric-pump assembly.
The model range extends from DN 32 to GS 200-500. In addition, official 50 Hz hydraulic tables include capacities up to approximately 780 m³/h, depending on the selected pump size and operating point.
Standardised EN 733 Construction
EN 733 standardisation defines principal pump dimensions and connection arrangements. Therefore, the range can simplify engineering, installation and replacement within standardised pumping systems.
The pump uses a single-stage horizontal centrifugal design with axial suction and radial discharge. Consequently, it provides a practical arrangement for industrial water circulation and transfer.
Moreover, the broad size range allows engineers to select a pump close to the required system duty rather than operating an oversized unit inefficiently.
Key Benefits
The GS end-suction pump range provides several practical advantages:
- EN 733 standardised dimensions
- DN 32 to GS 200-500 model range
- Published capacities up to approximately 780 m³/h
- Maximum working pressure of 16 bar
- Liquid temperatures from -10°C to 120°C
- Bare-shaft and electric-pump versions
- Cast-iron pump casing
- Cast-iron, ductile-iron and bronze impeller options
- 2-pole and 4-pole motor options
- Motor powers from 0.37 to 355 kW
- IE3 motors from 0.75 kW
- Maintenance-friendly pump construction
- Multiple shaft-seal options
- Compatibility with EBARA electronic controls
Together, these features provide broad hydraulic coverage and dependable industrial performance. Moreover, standardised dimensions may simplify future replacement, system expansion and maintenance planning.
Material Options
The EBARA GS Series uses a robust cast-iron pump body. Meanwhile, available impeller materials include:
- Cast iron
- Ductile cast iron on selected larger models
- Bronze
Therefore, users can select the impeller construction according to the water quality and application requirements.
For example, a cast-iron impeller may suit compatible general clean-water service. Alternatively, a bronze impeller may provide additional corrosion resistance in selected applications.
However, engineers should confirm material compatibility with the actual liquid chemistry and temperature before ordering.
Motor and Electric-Pump Options
EBARA offers GS electric-pump assemblies with 2-pole or 4-pole, 50 Hz motors. Available motor powers range from 0.37 to 355 kW, while motors from 0.75 kW are offered with IE3 efficiency.
Therefore, the pump range can support moderate and high-capacity installations. Moreover, users can select a bare-shaft version when the project requires a separately specified motor, coupling or baseplate.
This flexibility supports new installations as well as replacement projects where the existing driver or base arrangement may remain suitable.
Operating Pressure and Temperature
The maximum published working pressure is 16 bar or 1.6 MPa. In addition, the pump can handle suitable liquids from approximately -10°C to 120°C.
Consequently, the range supports chilled-water, cooling-water and moderately heated-water applications.
However, the permitted temperature also depends on the selected seal materials and complete pump configuration. Therefore, users should verify the final duty against the relevant technical data.
Maintenance-Friendly Design
The EBARA GS Series is designed so technicians can disassemble and inspect the pump without removing the casing from the connected piping.
As a result, maintenance teams can access the rotating components while preserving pipe alignment. Moreover, this arrangement can reduce service time and limit disruption to the surrounding system.
Regular inspection should include the mechanical seal, bearings, shaft alignment, impeller condition and operating vibration.
Electronic Control Integration
EBARA offers electronic solutions that can interact with GS electric-pump assemblies. For example, a suitable variable-speed controller can regulate pump output according to system demand.
Consequently, users may reduce unnecessary energy consumption in variable-flow systems. Moreover, EBARA’s E-SPD control platform includes protection functions for conditions such as overcurrent, overheating, voltage problems and dry running.
Therefore, electronically controlled arrangements can support efficient operation in building services, cooling systems and other applications with changing demand.
EBARA GS Applications in India
The pump range may suit many clean-water and circulation applications across India, including:
- HVAC chilled-water systems
- Cooling-water circulation
- Industrial water transfer
- Commercial building services
- Pressure-booster systems
- Irrigation installations
- Manufacturing plants
- Process-cooling systems
- Utility-water networks
- Heavy-duty clean-water duties
For example, an industrial facility can use the pump for cooling-water circulation. Similarly, a commercial development can use an electronically controlled configuration to respond to changing system demand.
Selecting the Correct GS Pump
Correct selection depends on:
- Required flow rate
- Total dynamic head
- Liquid temperature
- Available NPSH
- Impeller material
- Mechanical-seal materials
- Motor power and speed
- Installation arrangement
- Control requirements
- Operating schedule
Therefore, users should select the EBARA GS Series according to the complete system curve. Otherwise, an incorrectly sized pump may operate inefficiently or experience vibration, cavitation and premature wear.
Why Choose This End-Suction Pump?
The range combines EN 733 standardisation with broad hydraulic coverage, multiple material options and flexible motor configurations.
Moreover, its maintenance-friendly construction and compatibility with electronic controls support dependable long-term operation.
Therefore, it is a practical choice for facilities across India that require efficient water circulation, straightforward installation and flexible pump selection.
Product Enquiries in India
The EBARA GS Series is presented through Pumps Bharat for HVAC, cooling-water circulation, building services, irrigation, manufacturing, pressure boosting and general clean-water applications across India.
When submitting an enquiry, please provide the required flow, total head, water temperature, suction conditions, motor supply, material preference and control requirements. With this information, the available configurations can be evaluated against the application requirements.