Gransa Pumps

Gransa booster pumps offer independent hardware stores a powerful value proposition:
reliable, high-quality performance at exceptionally competitive prices.
Designed for everyday domestic water-pressure boosting, these pumps combine durable construction, efficient operation, and user-friendly features like built-in protection systems. Gransa gives hardware retailers a trustworthy, fast-moving product that delivers strong customer satisfaction without the premium price tag—making it a smart, profitable choice for the independent hardware market.

GRANSA PERIPHERAL BOOSTER PUMPS

A peripheral pump (also known as a regenerative or turbine pump) is a type of centrifugal pump designed to handle clean liquids at relatively low flow rates but high pressures. It has a special impeller with numerous small radial blades that move liquid along a narrow channel around the edge of the pump casing, where energy is repeatedly transferred to the fluid. This design allows the pump to generate higher heads than typical centrifugal pumps of similar size, making it suitable for applications such as boiler feed, pressure boosting, and small-scale water supply systems

GRANSA CENTRIFUGAL BOOSTER PUMPS

A centrifugal pump is a mechanical device that moves liquids by converting rotational energy from an impeller into kinetic energy and pressure. As the impeller spins, it accelerates the fluid outward through centrifugal force, increasing its velocity and pressure before directing it to the pump outlet. Centrifugal pumps are widely used for water supply, irrigation, and industrial processes due to their simple design, smooth flow, and ability to handle large volumes efficiently.

GRANSA JET BOOSTER PUMPS

A jet booster pump is a type of pump that combines a centrifugal pump with a jet (ejector) system to increase suction lift and pressure. It uses a jet nozzle and venturi tube to create a vacuum that helps draw water from deep sources, then boosts it to a higher pressure for delivery. Jet booster pumps are commonly used in domestic water supply systems, irrigation, and pressure boosting applications where water needs to be lifted from wells or tanks and delivered at a consistent pressure.

GRANSA iPrez VFD Booster Pump

The iPREZ VSD Booster Pump is a compact, plug-and-play pressure boosting system intended for residential and light commercial applications. It integrates a horizontal multistage pump with a Variable Speed Drive (VSD) to maintain constant pressure in the pipeline, adjusting pump speed dynamically based on demand

Key Features:

  • Built-in VSD ensures smooth operation and efficient energy use by matching pump speed to actual demand rather than running at full speed all the time.
  • Protects against dry‐run, overload, unbalanced voltages, short circuits, etc., enhancing reliability
  • Complete stainless steel pump wetted parts in many models for corrosion resistance and durability.
  • Digital display for monitoring parameters like pump speed and pressure.


Typical Specifications:

  • Power range: ~0.75 kW up to ~2.2 kW.
  • Head up to ~60–68 m.
  • Flow up to ~16 m³/h in many installations
  • Pressure setting range: 1–9 bar.
  • Liquid temperature tolerance up to ~70 °C; ambient up to ~40 °C.

Typical Applications:

  • Domestic water supply and pressure boosting in homes, villas, small buildings
  • Irrigation, garden watering, amenity blocks, small industrial wash-down systems.

Why Choose It:

  • Maintains constant pressure, giving better user experience (e.g., steady shower pressure) compared to traditional fixed-speed pumps.
  • Energy savings thanks to the VSD: the pump only works as hard as needed, excellent with solar systems
  • Protections reduce risks of motor damage or failure due to common issues (dry-run, voltage imbalance).

GRANSA MINI WASTE PUMP

The Mini Waste Pump is a compact, submersible waste-water pump designed for light duty drainage and sewage removal tasks in residential or small commercial settings. It can handle moderately sized solids.

Key Features:

  • Single‐phase motor versions available.
  • Max flow up to around 12 m³/h, with head up to around 10.5 m for some models.
  • Able to pass solid particles up to ~25 mm in diameter (for certain models) and suitable for immersion depths up to about 5 m
  • Construction uses rust-free engineering thermoplastic for the casing and components exposed to the pumped liquid.
  • Designed for drainage and light sewage applications: hotels, houses, manholes, small commercial buildings.

 

Typical Applications:


Good for pumping out grey- or black-water with moderate solids content, such as basement sump drainage, pit dewatering, small building sewage lift operations, or storm / drain water removal in domestic/small commercial spaces.

GRANSA BOREHOLE SUBMERSIBLE PUMP

A submersible borehole pump pack is a pre-assembled system designed for extracting groundwater from a borehole (well). It bundles together all the essential components—-the pump, the motor, cables, fittings, safety rope etc.—so the buyer gets a “kit” ready for installation.

What it typically includes

  • A submersible multistage pump (wet-end) sized to match the borehole diameter and depth.
  • A matching submersible motor (single-phase or three-phase) that the pump mounts onto.
  • A control box or starter for safe operation.
  • Cable (submersible rated) of suitable length to reach from the surface to the pump depth.
  • Safety rope or braided rope for lowering/raising the unit safely.
    Baseplate or mounting plate to secure the pump at the bottom of the borehole.
  • Plumbing fittings/adaptors (compression fittings) for the discharge pipe.

 

Why it’s useful

  • Convenience & installation ready – Because it’s a kit, you don’t have to source each component separately. This helps streamline installation, especially in remote or rural areas.
  • Well-matched system – The components are selected to work together (pump head vs borehole depth, motor size, cable length) which reduces risk of mismatches.
  • Better reliability – Many kits specify features like stainless steel construction, floating impellers (wear resistance for sand content), built-in non-return valves, etc., which improve durability.
  • Cost efficiency – Particularly for domestic, small agricultural, or rural water supply uses, a kit can provide a cost-effective complete solution rather than custom-assembled large industrial systems.

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