At CASTROTEK, we specialize in the repair, maintenance and installation of mechanical equipment for a wide range of industrial sectors. Our experience and technical expertise enable us to provide solutions tailored to each client’s needs, ensuring a reliable, efficient service focused on minimizing equipment downtime.
To deliver a fast and effective response, we have a wide range of tools, diagnostic equipment and testing systems, together with our own products designed to facilitate the maintenance and repair of industrial machinery.
Our technical capabilities allow us to identify faults, carry out precise inspections and perform interventions efficiently, reducing downtime and helping our clients avoid the costs associated with interruptions to their production activities.
Our track record has established us as a leading provider of industrial repair and technical support in the northwest of the Iberian Peninsula, where we strive to deliver solutions that combine technical expertise, precision and rapid response.

Technical Equipment and Capabilities
We have specialized equipment that enables us to carry out diagnostic, testing, repair and maintenance work with guaranteed precision and reliability.
Measurement and Verification
- Inside and outside micrometers for the precise measurement of mechanical components.
Hydraulic Diagnostics and Testing
- Hydraulic test bench with a variable-flow pump delivering up to 160 L/min.
- Parker equipment for flow, pressure and temperature diagnostics in hydraulic systems.
- Nitrogen charging equipment for hydraulic accumulators.
Electrical Testing and Control
- Electrical test bench for testing motors up to 22 kW.
- Testing of control coils rated at 230 V AC, 110 V AC, 48 V AC, 24 V AC and 24 V DC.
- Motor control system using a drive and frequency converter rated up to 15 kW.
- Thermal imaging camera and Megger insulation tester for electrical insulation verification.
Inspection and Diagnostics
- Endoscopic inspection camera for examining internal or hard-to-reach areas and facilitating the detection of potential faults.
Welding and Repair
- TIG, MIG and stick welding equipment for the repair, restoration and maintenance of metal components.
Our Priority: Minimizing Downtime
We know that every hour of downtime can affect a company’s productivity and profitability. That is why, at CASTROTEK, we combine experience, in-house technical resources and diagnostic capabilities to provide a prompt response to breakdowns and maintenance requirements.

