SEANAV MARINE
Department 09

Marine Lubrication & Central Cooling Systems

Specialized workshop and onboard servicing for plate heat exchangers, shell-and-tube coolers, chemical descaling, lubricating oil purifiers, and seawater/freshwater cooling pumps.

Fleet Performance: Restoring main engine scavenge air, jacket water, and lube oil cooling efficiency to prevent high-temperature derating.

Comprehensive Thermal & Lubrication Services

Plate Heat Exchanger (PHE) Overhauls

  • Onboard dismantling, chemical dip ultrasonic cleaning, and high-pressure washing
  • Titanium and stainless steel plate crack detection via UV penetrant testing
  • Re-gasketing with glue or clip-on NBR / EPDM / Viton marine gaskets
  • Hydraulic tightening to exact tightening dimension ‘A’ and hydrostatic pressure testing
  • Supported manufacturers: Alfa Laval, Sondex, GEA Kelvion, APV, Tranter

Shell-and-Tube Coolers & Condensers

  • Marine scavenge air coolers, ME lube oil coolers, and auxiliary condenser servicing
  • Tube bundle pulling, ultrasonic chemical bath descaling, and tube cleaning
  • Individual tube eddy-current testing, plugging, and re-tubing
  • Sacrificial zinc anode renewals and water box protective coating

Lubricating Oil Purifiers & Conditioners

  • High-speed centrifugal LO separator bowl dismantling, disc stack chemical cleaning
  • Horizontal and vertical shaft bearing renewals, friction clutch overhauls
  • Operating water solenoid valves, water transducers, and discharge automation repair
  • Alfa Laval (MAPX, MOPX, S-type), Westfalia (OSD, OTC), and Mitsubishi (SJ) support

Central Cooling Water Pumps & Valves

  • Main sea water cooling, low-temperature (LT), and high-temperature (HT) freshwater pumps
  • Impeller dynamic balancing, shaft sleeves, wear ring renewals, and mechanical seal fitting
  • Thermostatic wax and pneumatic 3-way temperature control valve calibration
  • Laser alignment of electric drive motors and vibration analysis

Schedule Heat Exchanger Cleaning or Purifier Overhaul

Fast turnaround in Dubai Maritime City workshops or riding squads dispatched directly to anchorage.

Email: service@seanav.org
Call / WhatsApp: +971-585681197

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