500+
governor overhauls
OEM
Woodward · Heinzmann · Regulateurs
24/7
emergency response
50+
vessel models supported
⚙️ governor systems expertise
Mechanical · Electronic · Digital
⚙️ Mechanical Governors
- ✓ Woodward UG, PG, PSG, SG series – overhaul, calibration, parts
- ✓ Heinzmann series 100, 200 – mechanical-hydraulic
- ✓ Regulateurs Europa (REA) mechanical governors – R30, R40, R60
- ✓ MAN B&W mechanical governor retrofit & spares
- ✓ Speed droop & isochronous setup, linkage adjustment
- ✓ Full load testing & hunting elimination
📟 Electronic & Digital Governors
- ✓ Woodward 2301A, 723PLUS, DGS-8800, ProAct actuators
- ✓ Heinzmann E1, E2, E5, Titan electronic speed controls
- ✓ Regulateurs Europa (REA) DGU 100, 200, 300, 500
- ✓ Norcontrol (Kongsberg) DGS 8800e, AutoChief C20 interface
- ✓ Electronic fuel rack positioning & PID tuning
- ✓ Retrofit obsolete mechanical to electronic (e.g. MAN B&W MC to DGS)
🔩 Specific vessel models we support:
VLCC (TI-class, Hellespont), Suezmax (New Suezmax, Tsuneishi), Aframax, LR2, 4,500 TEU container vessels (MAN B&W 7S80ME-C), 3,500 TEU (Wärtsilä 6RT-flex68-D), Handysize bulk carriers (Daihatsu 6DK-36), PSV (Niigata 6L25HX), Drillships (Caterpillar 3516B with Woodward 723).
Our engineers have hands‑on experience with all the above.
⚙️ main engine & propulsion
Engine control · Shaft limiter · CPP
🔄 Integrated Engine Control
- ✓ Main engine remote control (AutoChief C20, DGS-8800e, Lyngsø Marine)
- ✓ Bridge manoeuvring systems / combinator & load sharing
- ✓ Shaft Power Limiter (ShaPoLi) – IMO EEXI compliance
- ✓ Controllable Pitch Propeller (CPP) control – Brunvoll, Schottel, Wärtsilä
- ✓ Engine telegraph & data logging integration
🔧 Governor & Actuator Services
- ✓ Mechanical governor overhaul (Woodward UG-40, PG-100, PSG-100)
- ✓ Electronic governor calibration & actuator alignment
- ✓ Fuel rack position sensors / Linear variable differential transformer (LVDT) setup
- ✓ Turbocharger overspeed protection & actuator link
- ✓ Exhaust gas temp balancing via governor tuning
🛡️ safety & shutdown systems
ESD · Overspeed · Oil mist · Bearing temp
- ✓ Emergency overspeed protection & governor trip
- ✓ Engine shutdown (ESD) via solenoid on governor actuator
- ✓ Crankcase oil mist detection (OMD) interface to governor slowdown
- ✓ Bearing temperature monitoring (PT100) interlocked with fuel limiter
- ✓ Cylinder exhaust gas temperature (scanner) & governor fuel limit
- ✓ Vibration sensors (B&K, Vibro-meter) – alarm & slowdown
⚡ generator & auxiliary governors
Auxiliary engine governors · Load sharing · PMS
⚙️ Auxiliary / generator governor systems
- ✓ Woodward UG8, UG10, PGA, PGE on CAT, Yanmar, Cummins, MTU gensets
- ✓ Electronic isochronous load sharing (Woodward 2301A, 723PLUS for genset)
- ✓ Speed control for emergency genset (Heinzmann E16, E26)
- ✓ Synchronization & load sharing via PMS interface
- ✓ Blackout prevention & load shedding interaction
🔥 Boiler & burner management
- ✓ Burner management system (BMS) fuel pressure & atomization
- ✓ Boiler combustion control & actuator overhaul
- ✓ Flame scanner & safety shutoff (governor-like fuel valves)
⛽ tanker & environmental
Cargo pump governor · ODME · IG
Cargo pump turbine / diesel drivers
- ✓ Steam turbine governor (Woodward TG, TG-10/13) on VLCC cargo pumps
- ✓ Diesel-driven cargo pump governors (Niigata, Daihatsu) speed control
- ✓ Inert gas system pressure control & deck seal monitoring
- ✓ ODME – oil discharge monitor interface with pump rate
Ballast / environmental
- ✓ BWTS automation (Alfa Laval, Optimarin, OceanSaver)
- ✓ Oily water separator 15ppm alarm & recycle
- ✓ Scrubber bypass & water management integration
📟 plc, hmi & networks
Governor integration & industrial networks
PLC / control systems
- ✓ Siemens S7-1500, S7-1200 for engine safety & governor setpoint
- ✓ Modbus, Profibus, CANbus linking Woodward DGS to IAS
- ✓ HMI (Iconics, Indusoft) for governor remote speed trimming
- ✓ Remote I/O and signal conditioners for actuator feedback
Instrumentation
- ✓ Magnetic pickup (MPU) speed sensors, proximity probes
- ✓ Actuator position feedback (LVDT, potentiometer) calibration
- ✓ Pressure transmitters for fuel oil / hydraulic governor supply
- ✓ Temperature sensors for governing oil (servo system)
🚢 vessels we serve
Examples of recent governor work
- ✓ VLCC “Sea Fortune” – Woodward UG-40 mechanical overhaul
- ✓ 8,200 TEU “CMA CGM Molière” – DGS-8800e retrofit & tuning
- ✓ PSV “Seacor Cheetah” – Niigata governor calibration
- ✓ Drillship “West Auriga” – Caterpillar 3516B 723PLUS electronic setup
- ✓ Suezmax “Maran Delphis” – MAN B&W 7S80ME-C fuel rack actuator link
- ✓ AHTS “Far Senator” – Wärtsilä 6L32 governor & load sharing
🌍 global coverage
UAE, India, Singapore, Rotterdam, Houston, Fujairah, Shanghai – our engineers travel worldwide for governor emergency repairs, overhauls, and commissioning.
⚡ 24/7 governor & engine control support
Main engine hunting?
Main engine hunting?
Governor overhaul needed?
Our experienced team (OEM-trained, 15+ years in mechanical & electronic governors) provides fast, reliable service. We carry spares for Woodward, Heinzmann, Regulateurs, and support all vessel types.
service@seanav.org | www.seanav.org