Grindex Master 3, 4 & 6 Inch Submersible Drainage Pump

The Grindex Master Pump is a high-performance, electrical submersible drainage pump designed for challenging environments requiring efficient water management. Available in three configurations—Normal Head (N), High Head (H), and Super High Head (SH)—the pump is engineered to meet a variety of head and flow requirements, providing flexibility across diverse applications such as construction dewatering, mining, and industrial drainage.

Key Features and Specifications:

1. Durability and Performance:

   • The pump boasts a high performance-to-weight ratio, ensuring ease of use without sacrificing capability.
   • A revolutionary hydraulic design enhances wear resistance, minimizing performance drops over extended use.

2. Configurations and Capacities:

   • Normal Head (N): Maximum discharge connection of 6 inches.
   • High Head (H): Equipped with a 4-inch discharge.
   • Super High Head (SH): Optimized for higher head demands with a 3-inch discharge.

3. Operational Efficiency:

   • Maximum submersion depth: 20 meters.
   • Power ratings: 11.2 kW (15 HP) across all models, ensuring reliable operation.
   • Capable of handling solids up to 10 mm, with a flow rate of up to 55 litres per second (198 cubic meters/hour) depending on the configuration.

4. Construction and Design:

   • Built with a durable IP68 classification for submersion and harsh conditions.
   • Lightweight and compact, with a standard height of 832 mm and a weight of 80–98 kg depending on the model.

5. Applications:

   • Ideal for pumping clean or slightly contaminated water.
   • Effective in conditions with liquid temperatures up to 40°C and pH levels between 5 and 8.

Why Choose the Grindex Master Pump?

The Master pump's design prioritizes cost-efficiency, offering one of the lowest cost-per-cubic-meter pumped rates. Its robustness and adaptability make it an excellent choice for industries demanding reliability and long-term performance.

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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