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Materials

Maximum Flexibility and High Throughput for Sand Processing

Baseline Situation

  • Sand and gravel extraction is becoming more complex due to regulations and approval processes

  • Deposits are often difficult to access (rivers, lakes, great depths)

  • Challenging ground conditions with wood and stone inclusions

  • High demands on precision and performance of equipment

  • Increasing pressure on operators to improve efficiency and profitability

  • Need for robust, low-maintenance solutions for extreme operating conditions

Download Case Study
Solution

KRÖGER Grab Technology developed custom underwater grabs for floating and cable dredgers, optimised for extreme depths and difficult substrates. High-wear materials, refined construction details, and maintenance-free technology ensure reliable operation and maximum extraction efficiency.

Result

The solution enables efficient gravel and sand extraction under extreme conditions. Reduced maintenance, high economic efficiency, and European record depth of 177 metres make KRÖGER Grab Technology a trusted partner for demanding customers.

Contact

Klaus Reichel

Senior Engineer Materials

KRÖGER Greifertechnik
Steinheide 1-9
D-47665 Sonsbeck

Materials

Maximum Flexibility and High Throughput for Sand Processing

Baseline Situation

  • Sand and gravel extraction is becoming more complex due to regulations and approval processes

  • Deposits are often difficult to access (rivers, lakes, great depths)

  • Challenging ground conditions with wood and stone inclusions

  • High demands on precision and performance of equipment

  • Increasing pressure on operators to improve efficiency and profitability

  • Need for robust, low-maintenance solutions for extreme operating conditions

Solution

KRÖGER Grab Technology developed custom underwater grabs for floating and cable dredgers, optimised for extreme depths and difficult substrates. High-wear materials, refined construction details, and maintenance-free technology ensure reliable operation and maximum extraction efficiency.

Result

The solution enables efficient gravel and sand extraction under extreme conditions. Reduced maintenance, high economic efficiency, and European record depth of 177 metres make KRÖGER Grab Technology a trusted partner for demanding customers.

Download Case Study
Contact

Klaus Reichel

Senior Engineer Materials

KRÖGER Greifertechnik
Steinheide 1-9
D-47665 Sonsbeck