Grindex Minor 3 & 4 Inch Submersible Drainage Pump

The Grindex Minor pump is a versatile and efficient submersible drainage pump, designed for use in demanding dewatering applications. Known for its durability and cost-effectiveness, it is suitable for construction sites, mining operations, and other areas requiring robust water management.

Key Features:

1. Models and Performance:

   • The pump is available in two variants: Minor N (Normal Head) and Minor H (High Head).
   • It handles flow rates up to 2040 litres per minute and has a maximum head of 21 meters, depending on the model and configuration.

2. Construction:

   • Built with wear-resistant materials to ensure longevity and maintain performance over time.
   • Rated IP68 for full submersibility and safe operation under tough conditions.

3. Power and Connectivity:

   • Operates as a three-phase electrical submersible pump.
   • Equipped with a 20-meter SUBCAB cable for flexible deployment.
   • Compatible with discharge connections of 3-inch or 4-inch hoses (ISO-G or NPT threads).

4. Operational Specifications:

   • Power output: 4.4 kW (6 HP).
   • Can handle liquids with pH levels between 5 and 8 and temperatures up to 40°C.
   • Features a solids passage of up to 10 mm, allowing efficient handling of particulates in water.

5. Portability:

   • Compact dimensions (768 mm height, 286 mm diameter) and a manageable weight of 50 kg make it easy to transport and install.

This pump is particularly valued for its reliability and low cost of ownership, thanks to its innovative hydraulic design that minimizes wear and performance degradation over time. It is a go-to solution for users needing an adaptable and efficient dewatering system.

Grindex Pumps: The Perfect Blend of Performance and Reliability

Grindex pumps are engineered to deliver exceptional return on investment through their renowned Swedish design and superior build quality. Known for their unmatched focus on durability, performance, and efficiency, Grindex products ensure long-term reliability, even under the toughest conditions. Every detail, down to the smallest screw, reflects Grindex's commitment to quality.

SMART Technology: Advanced Pump Intelligence

At the heart of Grindex pumps lies the innovative SMART electronic surveillance system, which has been integral to their design since 1990. This system provides comprehensive motor protection, minimizing risks from electrical issues and reducing downtime. Key features include:

• Three-tier motor protection: Guards against electrical anomalies.
• Plug-and-pump functionality: Eliminates the need for external start boxes or control panels.
• Phase-failure guard: Prevents damage during phase loss.
• Temperature protection: Automatically stops the pump when it overheats.
• Automatic restart: Resumes operation after cooling down.
• Phase-sequence control: Ensures proper impeller rotation for optimal performance.

Low Total Cost of Ownership

Grindex pumps minimize hidden costs, offering a low life-cycle cost through optimized maintenance and long-lasting durability. While the upfront price is evident, other factors—such as installation, operation, and service expenses—are greatly reduced. These features contribute to significant cost savings:

• Dry-running capability: An air valve cools the pump to prevent overheating.
• Simplified maintenance: Fewer components and ergonomic design reduce service complexity.
• Optimized hydraulics: Advanced design minimizes wear, extending service intervals.
• Built-in start equipment: Eliminates the need for external systems.

Proven Performance in Harsh Conditions

For over 50 years, Grindex drainage pumps have set the standard for reliable, continuous operation in challenging environments. Their robust design and intelligent systems outperform competitors, providing users with peace of mind and exceptional efficiency in demanding applications.

Grindex pumps aren’t just machines—they’re a long-term investment in quality and reliability, ensuring optimal performance across industries.

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