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Valve service

Experts in valve maintenance, Semco Maritime has been servicing valves for the energy sector since 1993. We offer emergency valve servicing and regular valve maintenance to ensure your valves meet API 525 standards.

A faulty valve can impact your operations by adversely affecting performance, safety and the environment. So to ensure top valve performance, our experienced technicians test safety, pressure, flow, level, temperature control and pneumatic valves onsite or in our fully-equipped workshop in Esbjerg.

We also test, calibrate and repair special valves, such as wireline-retrievable subsurface safety valves (WRSSSV), gas-lift valves, chemical injection valves, dump kill valves and water injection valves.

Hydraulic control systems

To help maximise the performance of hydraulic control systems, our technicians also repair and test hydraulic and pneumatic actuators.  

And to keep pipe systems in top working order, we offer pipe-flushing services, which we document with an oil purity test. In addition, we also carry out pressure tests of piping systems and plants with water and nitrogen.

Want to learn more ?

If you’d like to know more about our valve testing, calibration and repair services, contact us at