Grindex Minor N / H This is a professional submersible drainage pump designed for construction sites, tunnels, the mining industry, and various infrastructure projects. Thanks to its compact design, high wear resistance, and reliable operation, these pumps are ideal for pumping contaminated water and liquids containing abrasive particles.

The Grindex Minor series features an efficient hydraulic system that reduces performance drops during prolonged operation. The integrated AIR VALVE technology allows the pump to operate in dry running mode without additional maintenance.

Key advantages

- - Professional drainage pump for construction and industrial sites
  - opportunity to work in dry run mode
  - High resistance to abrasive particles
  - Compact and lightweight construction
  - Integrated SMART engine protection
  - lower operating costs

Construction and materials

The Grindex Minor N / H is an electric submersible drainage pump with an integrated three-phase motor and a closed impeller.

Main structural materials

housing - aluminium alloy
external casing – stainless steel
Hard-Iron™ alloy wheel
Suction hood – Hard-Iron™
sleeves – stainless steel
Fasteners – stainless steel
Diffuser ring – nitrile rubber
Mechanical seals – double SiC / WC type seals
Nitrile rubber O-ring seals

The vacuum cleaner has integrated patented AIR VALVE The system allows for efficient engine cooling and ensures safe operation even during dry running. It is also used SMART electronic protection, protecting against overheating, phase loss, and incorrect phase sequence.

Where is the pump used

Grindex Major pumps are used for:

Grindex Minor pumps are used for:
- construction sites
- for tunnel and shaft drainage
- in the mining industry
- in infrastructure projects
- water drainage system
- in industrial facilities
- in rental and service companies
Pumps for pumping polluted water and drainage liquids with abrasive particles.

Technical advantages

⚙️ Hard-Iron™ steering wheel with high wear resistance
💧 Possibility to work dry thanks to the AIR VALVE system
🛡 SMART electronic engine protection
Stainless steel shaft and casing
High performance and stable operation in demanding conditions

Consultation

If you are looking for a reliable drainage pump for construction, mining, or industrial projects – get in touch. We will help you select the most suitable Grindex pump according to your working conditions and performance needs.