S. J. Kowalski Inc.

Gould GS Series Submersible Pumps

The new Guardian System now makes the GS Submersible pumps even tougher and longer lasting.

The Guardian System includes an engineered polymer bearing which is resistant to damage from sand, abrasives and over pumping a well. It has years of field-proven reliability and durability in some of the world's toughest submersible pump applications, coalbed methane recovery wells.

  • Powered for Continuous Operation
  • Field Serviceable: Units have left hand threads and are field serviceable with common tools and readily available repair parts.
  • Sand Handling Design: Our face clearance, floating impeller stack has proven itself for over 40 years as a superior sand handling, durable pump design.

  • FDA Compliant Non-Metallic Parts
  • Discharge Head/Check Valve
  • Stainless Steel Casing: Polished stainless steel is strong and corrosion resistant.
  • Hex Shaft Design: Six sided shafts for positive impeller drive.
  • Engineered Polymer Bearings


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Model IDModel NameFlow Rate
Range
HP
Range
ConnectionRotationStages
Range
Flow Curve
27705GS1.2 - 7.5.5 - 2.01.25CCW9 - 335GS Flow Curve
27717GS1.5 - 10.5 - 3.01.25CCW7 - 347GS Flow Curve
277210GS3 - 16.5 - 5.01.25CCW5 - 4210GS Flow Curve
277313GS4 - 20.5 - 3.01.25CCW5 - 2113GS Flow Curve
277418GS6 - 28.75 - 5.01.25CCW6 - 3018GS Flow Curve
277525GS8 - 331.0 - 5.01.25CCW7 - 2625GS Flow Curve
  • GS Submersible Pumps are covered by a 12-month limited warranty