2200+
governors serviced
24/7
emergency response
OEM
trained governor specialists
ISO
calibration certified

⚙️ all governor platforms

Mechanical · Hydraulic · Electronic · Digital

  • ✓ Woodward UG8, UG40, PGA, PGE, PSG
  • ✓ Regulateurs Europa (2301, 505, 2500)
  • ✓ Heinzmann electronic & analog governors
  • ✓ Noris T120, T130, T150 series
  • ✓ GAC (Governors America Corp) ESG, AG
  • ✓ MTU / Detroit Diesel electronic governors
  • ✓ Caterpillar 3500 electronic & mechanical
  • ✓ Yanmar / Daihatsu engine governors
  • ✓ Niigata electro-hydraulic governors
  • ✓ MAN B&W electronic fuel injection (ME)
  • ✓ Wärtsilä RT-flex / Sulzer common rail
  • ✓ Hydraulic servo actuators & amplifiers

🔧 precision process

Overhaul · Calibration · Dynamic testing

🔩 Mechanical overhaul

  • ✓ Complete strip-down & cleaning
  • ✓ Bearing & bushing replacement
  • ✓ Pilot valve & buffer screw adjustment
  • ✓ Spring tension & droop setting
  • ✓ Speeder gear & ballhead inspection
  • ✓ Hydraulic amplifier rebuilding
  • ✓ UG8, UG40, PGA, PGE specialists

📊 calibration & test bench

  • ✓ In-house governor test stands
  • ✓ Dead weight & electronic calibration
  • ✓ Speed droop & stability simulation
  • ✓ Load sharing & speed setting
  • ✓ Actuator stroke verification
  • ✓ Data sheets & traceable certificates
  • ✓ HEINZMANN EGS … digital setup

⚡ electronic governor service

  • ✓ Actuator & magnetic pickup test
  • ✓ Controller calibration (PID tuning)
  • ✓ Woodward 2301, 505, 723 service
  • ✓ Regulateurs Europa 2000/3000 series
  • ✓ GAC ESG 5500, AG 6000 repair
  • ✓ MTU / ADEC / ECU troubleshooting
  • ✓ CAN / J1939 interface setup

⛵ vessels & engines we support

Proven on these marine installations

🛳️ main propulsion engines

  • ✓ MAN B&W MC/ME/ME-C (S26, S35, S40, S50, S60, S70, G60)
  • ✓ Wärtsilä RT-flex / Sulzer (RTA48, RTA58, RTA68, RTA84)
  • ✓ Mitsubishi UE (UEC37, UEC45, UEC52)
  • ✓ Makita / Kobe Diesel / Akasaka
  • ✓ Daihatsu (DK, DC, DCS series)
  • ✓ Yanmar (M200, S165, EY, 6N18, 8N21)
  • ✓ Niigata (6L, 8L, 12V, 16V series)
  • ✓ Hanshin / Hanshin-LH series
  • ✓ Hyundai / Doosan / STX engines

⚡ auxiliary genesis & high-speed

  • ✓ Caterpillar (3406, 3412, 3508, 3512, 3516)
  • ✓ MTU (396, 4000, 8000 series)
  • ✓ Cummins (K19, K38, QSK60)
  • ✓ Volvo Penta (TAMD, D-series)
  • ✓ Scania DI series
  • ✓ Deutz / MWM / ABC / Baudouin
  • ✓ Yanmar 6HY, 6AY, 12AY
  • ✓ Isuzu / Mitsubishi auxiliary
  • ✓ Bergen (K, B, C series)

Our experienced team has hands-on governor experience on board tankers, bulkers, container vessels, offshore rigs, PSVs, AHTS, and dredgers.

📈 workshop & onboard testing

Calibration rigs · dynamic simulation

🔬 governor test benches

  • ✓ Woodward UG – test stand (0-3000 rpm)
  • ✓ Electronic actuator stroke/force verification
  • ✓ Dead-weight calibrator for hydraulic heads
  • ✓ Speed sensor & magnetic pickup test
  • ✓ PID controller simulation (load steps)
  • ✓ Droop, stability & isochronous validation
  • ✓ Fuel rack position linearization

📋 on‑board dynamic checks

  • ✓ Engine load / speed step response
  • ✓ Cylinder pressure monitoring integration
  • ✓ Shaft power / fuel rack correlation
  • ✓ ShaPoLi (shaft power limitation) verification
  • ✓ Vibration-based speed pickup validation
  • ✓ Parallel generator load sharing check
  • ✓ Emergency overspeed device test

⚙️ integrated systems

Speed control · load sharing · safety interface

  • ✓ Main engine speed control (PCS / ECS)
  • ✓ Auxiliary genset electronic governors
  • ✓ Load sharing & synchronizing (PMS)
  • ✓ Engine safety shutdown (overspeed)
  • ✓ Shaft power limiter (ShaPoLi) integration
  • ✓ Bridge telegraph / combinator link
  • ✓ CPP pitch & rpm coordination
  • ✓ Vessel monitoring (AMS, IAS) interface
  • ✓ Emergency generator governing
  • ✓ Fuel rack feedback & linearization
  • ✓ Common rail pressure control (ME, RT-flex)
  • ✓ Thrustmaster / thruster speed control

🌍 global governor support

Vessels & facilities we serve

Vessel types (examples)

  • ✓ VLCC / Aframax tankers
  • ✓ Bulk carriers (handy to cape)
  • ✓ Container ships (500–20000 TEU)
  • ✓ LNG / LGC carriers
  • ✓ Offshore drilling rigs
  • ✓ AHTS / PSV / MPSV
  • ✓ Dredgers & heavy lift vessels
  • ✓ Ro-Ro / PCTC / car carriers
  • ✓ Mega yachts & special craft

Recent service locations

  • ✓ UAE (Dubai, Abu Dhabi, Fujairah)
  • ✓ India (Mumbai, Kochi, Chennai)
  • ✓ Singapore / Batam
  • ✓ Rotterdam / Antwerp / Hamburg
  • ✓ Houston / New Orleans
  • ✓ Busan / Shanghai / Yokohama
  • ✓ Brazil / West Africa
  • ✓ Worldwide fly-in service

⚙️ 24/7 governor service

Need governor overhaul, calibration,
or testing onboard?

Our experienced governor team (15+ years average) is ready to support any make – Woodward, Regulateurs Europa, Heinzmann, Noris, GAC. Workshop or on-site, we deliver precision and reliability. Available 24/7 worldwide.

Email: service@seanav.org | www.seanav.org | 24h emergency +971 50 123 4567