180+
OMS installations
OMS installations
MAN, Wärtsilä
OEM trained on major makes
OEM trained on major makes
24/7
OMS support
OMS support
Experienced
team – 15+ years
team – 15+ years
🛢️ crankcase oil mist detection (oms)
Engine Protection · Early Warning · Explosion Prevention
- ✓ Oil Mist Detectors (OMD) – Graduated, Multi-point, Scavenge monitoring
- ✓ Crankcase Overheat Protection – early warning for hot spots
- ✓ Bearing Overheat Detection – main, big end, crosshead bearings
- ✓ Explosion Relief Valve Monitoring – crankcase doors, flaps
- ✓ Engine Shutdown Integration – auto slow-down / stop on high mist
- ✓ Continuous Monitoring – real-time oil mist concentration
- ✓ Scavenge Space Monitoring – for two-stroke engines
- ✓ Alarm & Trip Annunciation – local & remote (IAS/AMS)
- ✓ Sensor Calibration & Testing – infrared, laser, sampling
- ✓ Retrofit of Legacy OMD Systems
- ✓ Integration with Engine Control System
- ✓ Class Approvals – ABS, DNV, LR, BV, RINA
Experienced with MAN, Wärtsilä, Caterpillar, MAK, Bergen, Niigata, Yanmar, ABC, Daihatsu, SEMT – our team delivers.
🔍 oil mist detector makes
Schaller · Graviner · Kongsberg · Noris · Visatron
Oil Mist Detector – makes & models
- ✓ Schaller (Visatron) – VN 115, VN 215, VN 315, VN 415, Aquaprobe
- ✓ Graviner (Kidde) – Mark 5, Mark 6, Mark 7, Oil Mist Monitor 2000
- ✓ Kongsberg (Norcontrol) – OMD 200, OMD 210, OMD 220
- ✓ Noris – NOV 100, NOV 200, NOV 300 series
- ✓ Dätwyler – Televac II, MD-3
- ✓ L&J Technologies – Oil Mist Detector
- ✓ Yamada – YDO series (for auxiliary engines)
- ✓ SAM Electronics – OMD systems
Key OMD functions & features
- ✓ Multi-point sampling – up to 12 points
- ✓ Scavenge air monitoring for two-stroke
- ✓ Graduated oil mist measurement (0-5 mg/l)
- ✓ Alarm setpoints – 0.5 mg/l (warning), 1.5 mg/l (trip)
- ✓ Self-check & auto-zero calibration
- ✓ Remote display and repeater panels
- ✓ Modbus / Profibus output to IAS/AMS
- ✓ Explosion-proof enclosures for hazardous areas
⚙️ engine-specific applications
Main Engine · Aux Genset · Emergency Engine
- ✓ MAN B&W ME/ME-C/ME-B – MC, ME, ME-GI (crankcase & scavenge monitoring)
- ✓ Wärtsilä RT-flex / X – RT-flex, X35, X40, X62, X72, X82
- ✓ Sulzer RTA/RT-flex – RTA48, RTA58, RTA68, RTA84
- ✓ MAK M20/M25/M32/M43 – main & auxiliary engine protection
- ✓ Caterpillar 3500/3600 – 3508, 3512, 3516, 3606, 3608, 3612, 3616
- ✓ Rolls-Royce Bergen – B32:40, B35:40, C26:33
- ✓ Niigata – 6L, 8L, 12L, 16L series (main & auxiliary)
- ✓ Yanmar – 6EY, 8EY, 12EY, 18EY (aux gensets)
- ✓ ABC – DZ, VDZ series (6DZ, 8DZ, 12DZ)
- ✓ Daihatsu – DK-20, DK-26, DC-17, DC-32 series
- ✓ SEMT Pielstick – PA4, PA5, PA6, PC2.5, PC3 series
- ✓ MTU / Detroit – 4000, 8000 series (emergency gensets)
💥 crankcase explosion relief
Relief Valves · Flame Arrestors · Monitoring
Relief valve makes & types
- ✓ Hoerbiger – crankcase explosion relief valves, flame arrestors
- ✓ L’Orange (Woodward) – relief valves for large bore engines
- ✓ MAN B&W – original equipment relief doors
- ✓ Wärtsilä – crankcase relief valves (CRV)
- ✓ Imes GmbH – explosion relief valves
- ✓ Kriwan – pressure relief valves with monitoring
- ✓ VISATRON (Schaller) – integrated relief & mist detection
Relief valve services
- ✓ Inspection & overhaul – spring check, sealing
- ✓ Flame arrestor cleaning / replacement
- ✓ Pressure testing & certification
- ✓ Retrofit of non-compliant relief doors
- ✓ Class survey preparation (DNV, ABS, LR, BV)
- ✓ Monitoring switch integration (micro-switch)
- ✓ Spare parts – springs, discs, gaskets
🌐 integration with ias / ams
Alarm Monitoring · Data Logging · Remote Display
- ✓ Kongsberg K-Chief – OMD integration via Modbus/analog
- ✓ Norcontrol DataChief – alarm and trip integration
- ✓ Lyngsø X-Mod – oil mist monitoring in IAS
- ✓ Siemens Siship – integration with IMAC, alarm system
- ✓ ABB Marine – 800xA, ECS integration
- ✓ Valmet DNA – oil mist trending and logging
- ✓ Wärtsilä Nacos / UNIC – OMD alarm display
- ✓ Modbus TCP/RTU – gateway to ship automation
- ✓ Profibus DP – connection to PLC
- ✓ Analog output (4-20mA) – for remote meters
- ✓ Repeater panels – ECR, bridge, CCR
- ✓ Data logging & trending – for condition monitoring
🔧 oms retrofit & troubleshooting
Modernization · Legacy OMD · Diagnostics
- ✓ Legacy OMD replacement – Graviner Mark 5/6 to modern Visatron/Kongsberg
- ✓ Upgrade to multi-point sampling – increased coverage
- ✓ Scavenge space monitoring retrofit – for two-stroke engines
- ✓ Sensor calibration & testing – on-site using calibrated mist
- ✓ Relay logic to PLC conversion – for alarm and shutdown
- ✓ Remote display installation – ECR/bridge repeaters
- ✓ Communication module addition – Modbus/Profibus to IAS
- ✓ Explosion relief valve retrofit – compliant with latest class rules
- ✓ Troubleshooting false alarms – sampling line cleaning, sensor alignment
- ✓ Spare parts supply – for all OMD makes
- ✓ Class survey support – documentation, testing
- ✓ Emergency service – 24/7 worldwide
📋 class approvals
DNV · ABS · LR · BV · RINA · CCS
- ✓ SOLAS Chapter II-1, Regulation 47 – crankcase oil mist detection
- ✓ DNV-CG-0338 – crankcase explosion protection
- ✓ ABS Marine Vessel Rules – 4-8-3/9.1 (crankcase monitoring)
- ✓ Lloyd’s Register (LR) – Part 5, Chapter 10 (oil mist detection)
- ✓ Bureau Veritas (BV) – NR 467, Pt C, Ch 1 (crankcase safety)
- ✓ RINA – Pt C, Ch 1 (crankcase monitoring)
- ✓ CCS (China Classification Society) – rules for marine engines
- ✓ Class retrofit approval – engineering and documentation
- ✓ On-site witness testing – with class surveyor
- ✓ Annual / periodic testing – as per class requirements
🌍 oms service coverage
Vessels We Protect with Oil Mist Detection
Vessel Types
- ✓ Tankers (VLCC, Aframax, Product)
- ✓ Bulk Carriers (Capesize, Panamax)
- ✓ Container Vessels (Post-Panamax)
- ✓ LNG / LPG Carriers
- ✓ Offshore Vessels (PSV, AHTS, OSCV)
- ✓ Drilling Rigs (Jack-up, Semi-sub)
- ✓ FPSO / FLNG / FSRU
- ✓ Ro-Ro / PCTC / Car Carriers
- ✓ Cruise Ships / Ferries
- ✓ Naval Vessels
Global Service Locations
- ✓ UAE – Dubai, Abu Dhabi, Fujairah
- ✓ India – Mumbai, Kochi, Chennai, Kandla
- ✓ Singapore – Jurong, Tuas
- ✓ Middle East – Qatar, Saudi, Kuwait
- ✓ Europe – Rotterdam, Hamburg, Piraeus
- ✓ Asia – South Korea, China, Japan
- ✓ Worldwide – all major ports and shipyards
🛢️ 24/7 oil mist detection support
Need Crankcase Oil Mist Detection
service or retrofit?
Our OMS engineers provide complete installation, troubleshooting, retrofit, and repair services for all oil mist detection systems – Schaller Visatron, Graviner, Kongsberg, Noris, explosion relief valves. Available 24/7 worldwide.
Email: service@seanav.org | Website: www.seanav.org