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