e-GS Submersible

Summary

Product identification

• The e-GS Borehole Portfolio has been redesigned with optimized hydraulics, compliant with the ErP Directive.
• This summary covers the e-GS 4" Range.
• The complete GS borehole pump series has been redesigned with high efficiency hydraulics, and MEI values above the ErP 2015 requirements.
• Complies with ISO 9906:2012 - Grade 3B.

Operating limits

• Capacities up to 22 m³/h
• Head up to 310 m
• Power up to 0.37 kW TO 7.5 kW

Feed water

• Maximum permissible quantity of sand: 150 g/m³

Electrical

• Power up to 0.37 kW TO 7.5 kW
• Variable speed offering available with the resiboost or the hydrovar Motors.
• Different voltages and frequencies available as options.

Mechanical / hydraulic

• Design Features:
  • Lowara exclusive and proven floating stack hydraulic design.
  • Allows sand and abrasives to pass easily.
  • Rotating components are not in contact, preventing wear and extending life.
  • Dual surface thrust washer prevents rubbing of components during start-up.
  • Hexagonal pump shaft guarantees effective impeller drive.
  • Abrasion resistant construction combined with floating impellers ensures optimum resistance to wear.
  • Compact.
  • Redesigned and optimized hydraulics.
• Construction Materials:
  • Check Valve Type: Stainless Steel
  • Discharge Head: Stainless Steel
  • Motor Adapter: Stainless Steel
  • Diffuser: PC / PPO + PS
  • Bowl: Stainless Steel
  • Impeller: PC / PPO + PS
  • Strainer: Stainless Steel
  • Hex Shaft: Stainless Steel
  • Casing: Stainless Steel
  • Cable Guard: Stainless Steel
  • Bearing: Engineered Polymer
  • Elastomers: NBR
• Material Properties:
  • Impeller material is a reliable, proven polymer material to overcome abrasion damage.
  • Diffuser and impeller materials have a high abrasion resistance for longer life in harsh applications.
  • Stainless steel parts provide maximum corrosion resistance for longevity.
  • High resistance to corrosion.
  • Stainless steel structure.
  • All components are FDA compliant.
• Performance Curves:
  • Performance curves are provided for 6GS, 8GS, 12GS, and 16GS series, showing Q [m³/h], H [m], and η [%] at ~2900 rpm. See the official PDF for exact tabulated values.

Applications

• Domestic / Industrial water supply
• Fire fighting
• Food & Beverage
• Geothermal
• HVAC
• Irrigation / Agricultural
• Mining / Drainage / Dewatering
• Municipal water supply
• Water displays / Fountains / Features

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Disclaimer: This summary is based on extracted text and may miss figures, footnotes, or the latest revisions. Contractual data must always match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror