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Category: Repairs

Complete Restoration of a Tugboat Winch Hydraulic Control System

The complete overhaul of the hydraulic manifolds controlling the winches was carried out to fully restore the system’s functionality and reliability. Through detailed inspection, replacement of critical components and rigorous operational testing, the smooth and safe operation of this highly demanding marine hydraulic system was ensured, making it ready to meet the stringent requirements of daily operations.

Project Description

As part of extensive maintenance and upgrade work on the hydraulic system of a modern tugboat, our company undertook the complete overhaul of the hydraulic manifolds controlling the operation of its main winches. This is a critical system on which the safe and reliable operation of the equipment depends during demanding maritime operations, where precision and immediate response are essential.

The process began with the complete dismantling of the manifolds and a detailed inspection of all hydraulic and electrohydraulic components. This was followed by thorough cleaning of the manifold bodies, inspection of the sealing surfaces and internal oil passages, and evaluation of every individual component in accordance with the required technical specifications.

Where necessary, solenoid valves, cartridge valves and other components were replaced, ensuring the complete restoration of the system’s functionality. Following completion of the overhaul, the manifolds were reassembled with absolute precision, the necessary adjustments were made and extensive operational tests were performed before their final installation on board the vessel.

Commissioning confirmed the system’s smooth and reliable performance, ensuring high levels of safety, operational reliability and long-term availability. This project is another example of our expertise in the overhaul and technical support of complex hydraulic systems for maritime applications, providing comprehensive solutions that meet the industry’s highest requirements.

  • Location

    Greece (EU)
  • Year

    2023
  • Service

    Complete Restoration of a Tugboat Winch Hydraulic Control System


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Inspection and Restoration of a Superyacht Hydraulic Control System

As part of the project, a comprehensive technical inspection and restoration of the superyacht’s hydraulic control system was carried out, including specialised work on the hydraulic circuit and individual control systems. Following completion of the work, the system was adjusted and operationally tested, ensuring reliable, safe and uninterrupted operation.

Project Description

High Pressure Group undertook the restoration of a critical hydraulic control system on a sailing superyacht, carrying out specialised technical work to fully restore the system’s reliability and operational safety.

Before any work commenced, a detailed technical assessment, operational inspection and diagnosis of the hydraulic circuit were performed to accurately identify the causes of the malfunction and determine the optimal technical solution.

The work included the replacement of critical control equipment, restoration of the hydraulic circuit, reinspection of all operating parameters and final system adjustment, ensuring seamless integration of all hydraulic subsystems.

The project was completed with extensive operational testing and commissioning, confirming the system’s reliable and safe operation under the demanding conditions of a modern superyacht.

This project highlights High Pressure Group’s expertise in providing technical support for complex, high-demand hydraulic installations, where precision, reliability and the prompt restoration of functionality are critical to the equipment’s safe operation.

  • Location

    Greece (EU)
  • Year

    2026

  • Service

    Inspection and Restoration of a Superyacht Hydraulic Control System

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Engineering & Installation of a Hydraulic Oil Cooling System for Steering and Anchoring Units

For this project, we undertook the engineering, construction and installation of hydraulic oil cooling systems for the steering and anchor hydraulic power units of a high-speed passenger vessel. The solution was designed according to the installation requirements, ensuring effective heat dissipation, stable operation and increased reliability of these critical hydraulic systems, even under the most demanding operating conditions.

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The continuous and reliable operation of the hydraulic systems on a high-speed passenger vessel requires effective hydraulic oil temperature control, even under particularly demanding operating conditions.

For this project, we undertook the engineering, design, construction and installation of complete cooling systems for the vessel’s steering and anchor hydraulic power units. The solution was developed entirely according to the installation requirements and included the selection and integration of heat exchangers, circulation pumps, electrical automation panels, control systems and all necessary hydraulic connections.

All required electrical and mechanical installation work was also carried out, along with system configuration for fully automatic operation. Following completion, operational tests and performance checks confirmed the consistent control of the hydraulic oil temperature and the optimal operation of the units.

The project was completed successfully, increasing the reliability and service life of the equipment, as well as the operational availability of the vessel’s critical hydraulic systems.

  • Location

    Greece (EU)

  • Year

    2024

  • Service

    Engineering & Installation of a Hydraulic Oil Cooling System for Steering and Anchor Units

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Complete Technical Restoration of Ski Lift Hydraulic Systems

From the initial technical inspection through to final operational approval, our team carried out a comprehensive technical intervention on the hydraulic systems of a ski resort’s lifts, ensuring reliability, precision and safe operation.

Project Description

The reliability of a ski lift is essential to the safe and uninterrupted operation of the entire installation. The hydraulic systems supporting its critical functions must operate with absolute precision and reliability, even under particularly demanding environmental conditions.

For this project, our team undertook the complete technical restoration of the ski lift hydraulic systems, implementing a comprehensive programme of inspections, diagnostics, repairs and adjustments.

The work began with a detailed inspection of the hydraulic installations and an assessment of the circuits’ operating condition to accurately identify the required interventions. The necessary repairs were then carried out, worn components were replaced where required and the operating parameters were carefully adjusted, with particular emphasis on operating pressures and the overall performance of the hydraulic systems.

Following completion of the technical work, extensive operational testing and final inspections were conducted under actual operating conditions, confirming the equipment’s correct performance and reliability.

The project concluded with the safe return of the ski lifts to full operational service, ensuring high levels of safety, stability and operational performance.

  • Location

    Greece (EU)

  • Year

    2016 – 2017

  • Service

    Comprehensive Technical Restoration and Adjustment of Ski Lift Hydraulic Systems


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Upgrade and Maintenance of a Heavy-Industry Aluminium Hydraulic System

Our technical department carried out comprehensive maintenance of the hydraulic systems within the production department of an aluminium plant, including an extensive technical inspection and assessment of the equipment’s operating condition. In parallel, an additional high-efficiency filtration system was designed and installed to significantly reduce solid particles and contaminants affecting the hydraulic circuits.

Project Description

As part of a scheduled technical intervention at an aluminium production facility, our technical department performed comprehensive maintenance and upgrades to the production line’s hydraulic installations.

The work included inspection of the hydraulic circuit, examination of critical components, assessment of the hydraulic oil’s condition and verification of the correct operation of the individual systems.

An additional high-efficiency filtration system was also designed and installed to significantly reduce solid particles and contaminants affecting the hydraulic circuits. Furthermore, a new hydraulic power unit, fully customised to the installation requirements, was integrated into the system, helping to optimise operation and increase production efficiency.

  • Location

    Greece (EU)

  • Year

    2022

  • Service

    Upgrade and Maintenance of a Heavy-Industry Aluminium Hydraulic System

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Hydraulic Line Control System

In high-pressure installations, the safe performance of maintenance work requires continuous and reliable monitoring of the condition of every hydraulic circuit. For this reason, a pressure-monitoring system was developed to provide a complete real-time overview of all hydraulic lines and enable immediate confirmation that no residual pressure remains anywhere in the system before maintenance or technical intervention begins.

Project Description

Our team undertook the design and installation of a hydraulic line control system equipped with multiple pressure-measurement points for the continuous monitoring of each individual circuit.

The solution was developed with the safety of maintenance personnel as its primary objective, enabling immediate confirmation that all hydraulic lines are at zero pressure before any intervention.

Continuous visual indication of the pressure in each line eliminates the risk posed by trapped hydraulic energy, significantly reduces diagnostic and maintenance time, and enhances the installation’s overall reliability. It is a solution that combines operational safety with easy inspection in demanding industrial applications.

  • Location

    Greece (EU)

  • Year

    2024

  • Service

    Hydraulic Line Control System

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Conversion of a Barge into a Self-Elevating Work Platform

Our company undertook the complete hydraulic conversion of a barge for canal excavation operations, significantly upgrading the capabilities of the floating platform. The project included the installation of four self-elevating support legs with high-powered hydraulic cylinders, along with new controls and monitoring instruments. The result is a reliable and fully controlled work platform designed to operate safely and precisely on demanding engineering projects.

Project Description

Our company undertook the engineering, design, construction and installation of a complete hydraulic system on a barge intended for canal excavation operations and demanding projects in aquatic environments.

The project presented a complex technical challenge, requiring a combination of engineering precision, durability under harsh conditions and a high level of operational reliability.

As part of the project, the platform was converted through the addition of four vertical support legs equipped with high-powered hydraulic cylinders. These allow the barge to be safely elevated, anchored and stabilised during operations.

A new hydraulic control system was also designed and installed, comprising modern controls, precision valves and highly sensitive monitoring instruments. The system enables the operator to control all movements of the support legs and the remaining hydraulic systems with precision.

  • Location

    Greece (EU)

  • Year

    2022

  • Service

    Conversion of a Barge into a Self-Elevating Work Platform

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Repair of a Drilling Rig Hydraulic System

The work included the repair and overhaul of the hydraulic pumps, comprehensive maintenance of the hydraulic cylinders, and the repair and replacement of the controls with new units, significantly improving control of the drilling rig. The project was completed with maximum reliability and long-term equipment operation in mind, ensuring that the drilling rig can meet demanding working conditions with improved performance and high levels of operational safety.

Project Description

Our team undertook the complete overhaul of a drilling rig’s hydraulic system, carrying out extensive maintenance and restoration work to return the machine to safe, reliable and efficient operation.

The work included the repair and overhaul of the hydraulic pumps, comprehensive maintenance of the hydraulic cylinders, and the repair and replacement of the controls with new units, significantly improving control of the drilling rig.

Additional mechanical and hydraulic work was also performed, including leak testing, component replacements and a detailed inspection of the machine’s hydraulic systems.

The project was completed with maximum reliability and long-term equipment operation in mind, ensuring that the drilling rig can meet demanding working conditions with improved performance and high levels of operational safety.

  • Location

    Greece (EU)

  • Year

    2016

  • Service

    Complete Overhaul of a Drilling Rig Hydraulic System

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