Tunnelling

Flodraulic designs and manufactures Hydraulic Power Units (HPU) and advanced hydraulic control systems for the tunnelling machinery sector, providing reliable and high-performance solutions for demanding underground construction environments.

Our systems are specifically developed for integration with Tunnel Boring Machines (TBM) and related equipment, ensuring precise control, operational stability and long-term reliability during complex tunnelling operations.

In particular, we design and supply hydraulic systems for:

Skid-mounted HPU
Main push cylinders control systems
Belt control systems
Stabilizer control systems
Shield articulation control systems
Tilt and gripper control systems
Erector control systems

Thanks to our extensive engineering expertise, Flodraulic develops customized hydraulic solutions tailored to the specific requirements of each tunnelling project, ensuring efficiency, safety and reliable performance in heavy-duty underground applications.

Expertise

Power: up to 2800 kW [3750 hp]
Flow rate: up to 1600 l/min [420 gpm]
Pressure: up to 420 bar [6000 psi]
Temperature: -40 °C +60 °C [-40 °F +140 °F]
Certifications: according to: ATEX, SIL, PED requirements
Process Control: WPS, PQR, NDT, mechanical stress and wearing tests
Engineering international standards: IEC61508, IEC61511, ASME, EU Directives rules and specifi cations
Painting: based on customer specifications
Surface treatments: galvanization, electrolytic protections
Materials: steel, aluminum

Key Component

• ATEX-certified components for hazardous environments
• Water-cooled electric motors for efficient thermal management
• Titanium plate heat exchangers for high corrosion resistance
• Swagelok®, Gyrolok® and Ermeto® high-quality fittings
• High-flow closed-loop hydraulic circuits for demanding applications

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Flodraulic Group goal in Europe is to become the leading system integrator in motion controls.