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General enquiries
Tel. +45 7916 6666


Semco Maritime
Esbjerg Brygge 30
DK- 6700 Esbjerg


Experience and dedication

Mechanical Workshop

Taking care of all phases of  mechanical projects - from engineering to testing and installation.

Comprehensive and versatile competences make us capable of solving most types of mechanical jobs both onshore and offshore.

Technical areas of expertise

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:

  • Service and troubleshooting in hydraulic control systems
  • Repair and test of hydraulic and pneumatic actuators
  • Flushing of piping systems and documentation of purity by means of oil test
  • Wellhead panels, SOV panels, hydraulic panels
  • New build of panels of all kinds
  • New build of Diesel pump units for transformer platforms
  • Service and maintenance of christmas trees
  • Copper manifold for air liquid.
  • PSV campaigns - with zone 1 classified and fully operational container workshop for offshore testing, certification and repair
  • As the only supplier in DK, we offer full datalog for all PSV valves, if required by the customer
  • Pressure test of piping systems and plants by use of water and nitrogen
A core competence for 40 years:

Test, repair and calibration

  • SSSV
  • Safety valves (PSV)
  • Pressure regulators valves
  • Flow, level and temperature regulators
  • Air valves
  • Wire line retrievable safety valves
  • Gas lift valves
  • Chemical injection valves
  • Dump kill valves
  • Water injection valves
  • Control valves

Get in touch ...

John Sørensen

Director, Fabrication & Engineering

Semco Maritime A/S
Staget 1
6700 Esbjerg

Ole Østergaard Jützler

Manager, Workshops

Semco Maritime A/S
Staget 1
6700 Esbjerg