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Technical services &
equipment solutions.

Advanced repair, rebuilding and hands-on training solutions for high-pressure marine cleaning systems — any brand, restored to as-new or better condition, with controlled cost and downtime.

SEVEN JET high-pressure hydroblasting machine for marine cargo tank and hold cleaning
Service 01

Repair services

We diagnose and repair high-pressure cleaning systems and associated equipment, restoring performance and minimizing downtime.

Scope of work
  • Electrical system diagnostics and repair
  • Leak detection and pressure restoration
  • Replacement of damaged components
  • Troubleshooting of operational failures
  • On-site or workshop-based interventions
Typical issues we resolve
  • Non-operational units
  • Pressure loss (e.g. 180–280 bar limitations before repair)
  • Corrosion & seawater damage
  • Hose, valve, and fitting failures
Result

Fast return to operation with controlled cost and downtime — your equipment back in service, wherever the vessel is.

Service 02

Rebuilding services

Full equipment rebuilding & performance upgrade. We specialize in complete reconstruction and upgrading of high-pressure cleaning units (any brand), restoring them to as-new or better condition.

Full dismantling & overhaul
  • Complete pump disassembly and rebuild
  • Removal of corrosion caused by seawater ingress
  • Replacement of worn internal components
Critical component replacement
  • New pumps, unloader valves & safety valves
  • New electrical panels and systems
  • New pressure gauges, hoses, and fittings
Structural restoration
  • Welding repairs (tank / chassis)
  • Stainless steel treatment & cleaning
  • Full repainting and corrosion protection
Full system upgrade
  • Installation of new high-pressure hoses & spray guns
  • Upgrade of electrical and control systems
  • Delivery with updated maintenance manuals
Service 03

Training & technical support

Hands-on training for marine engineers & crew. At our Skaramangas facility, SEVEN CHEM & TECH provides practical training programs focused on high-pressure cleaning systems and safe operation onboard vessels.

  • High-pressure systems
  • Safe operation
  • Onboard practice
  • Skaramangas facility
Arrange training

Equipment down, or due for a rebuild?

Talk to our technical desk