180+
OMS installations
MAN, Wärtsilä
OEM trained on major makes
24/7
OMS support
Experienced
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