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Gemrigs — Water Infrastructure Engineering

03 · Pumping Systems

Pumps sized to your safe yield.

Stainless-steel submersibles for deep extraction; photovoltaic systems for off-grid sites. Either way, the pump is matched to the well's tested capacity — not over-specified, not under.

Submersible pumps

High-grade stainless, built for depth.

SpecificationDescriptionOutcome
Material GradeHigh-grade stainless steelEnhanced durability and corrosion resistance
ApplicationDeep borehole fluid extractionEfficient handling of moderate to large volumes
Sizing RangeMulti-range depth and diameter optionsAdaptability to diverse geological profiles
Mechanical DesignIntegrated underwater operationLow noise and high-efficiency fluid movement
Solar pumping

Off-grid, low-maintenance, designed for resilience.

Photovoltaic-driven pumping eliminates fuel costs and grid dependency. We size the array roughly 30% above the motor wattage to absorb system losses, and pair it with MPPT, dry-run protection and optional battery backup.

SpecificationDescriptionOutcome
Motor ConfigurationOil-filled AC/DC motors (up to 1,000W+)Versatility in power source and high reliability
Pump MechanicsScrew and centrifugal typesOptimised for different head and flow ranges
Energy SourcePhotovoltaic (Green Energy)Zero operational fuel costs and sustainability
Targeted UseIsolated and off-grid locationsComplete independence from power distribution
Backup SystemsHybrid controllers and battery storageContinuous access during low sunlight or at night
Solar — features

What's in the system, and why.

  • Brushless DC motors

    Maintenance-free life exceeding 10 years

  • External MPPT controllers

    Continued operation in low-light periods

  • Dry-run protection

    Shuts down pump if water level drops below intake

  • Remote monitoring

    Optional telemetry via mobile app

  • Sizing factor

    PV array sized 30% above motor wattage for system losses

Pumping a new well, or replacing an old one?

Tell us your borehole's tested yield and head — we'll spec a system that fits.