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GRAVINER MARK MK 6
GRAVINER
Refurbished
The Graviner Mark 6 Oil Mist Detector (OMD MK6) is one of the most widely used marine engine safety systems for monitoring crankcase oil mist concentrations in medium-speed and low-speed diesel engines. Developed by Graviner, now part of Kidde Fire Protection, the Mark 6 system provides continuous protection against crankcase explosions by detecting abnormal oil mist levels before dangerous conditions develop.
From the supplied image, the system includes the Graviner Mark 6 Control Panel, multiple Oil Mist Detector Sensor Heads, and associated junction/interface units. This complete monitoring arrangement is commonly installed on main propulsion engines and auxiliary diesel generators onboard commercial vessels worldwide.
The primary function of the Graviner Mark 6 is to continuously sample crankcase atmospheres and provide early warning when oil mist concentrations rise above safe operating limits. This early detection helps prevent severe engine damage, costly downtime, and potentially catastrophic crankcase explosions.
The Graviner Mark 6 Oil Mist Detection System continuously monitors the concentration of oil mist present inside engine crankcase compartments. During normal operation, only minimal oil mist exists inside the crankcase. However, abnormal bearing temperatures, lubrication failures, frictional heating, or mechanical defects can rapidly generate excessive oil mist.
The Mark 6 system utilizes dedicated detector heads installed at multiple sampling points around the engine. These sensors continuously analyze oil mist concentrations and communicate with the central control unit.
When oil mist levels exceed preset alarm thresholds, the system immediately activates alarms and alerts engine room personnel. If dangerous conditions continue to develop, shutdown procedures can be initiated according to vessel operating philosophy and safety requirements.
The Mark 6 remains one of the most trusted oil mist monitoring systems installed on marine diesel engines throughout the world fleet.
The system continuously monitors crankcase conditions without interrupting engine operation.
The Mark 6 detects abnormal oil mist concentrations at an early stage, providing valuable time for corrective action.
Multiple detector heads allow complete monitoring of large marine engines and multiple crankcase compartments.
The integrated display provides real-time system status, alarm information, detector readings, and maintenance functions.
The Graviner Mark 6 has been successfully installed on thousands of marine engines worldwide and is recognized for dependable operation.
The system significantly reduces the risk of catastrophic crankcase explosions by detecting hazardous conditions before ignition occurs.
| Parameter | Description |
|---|---|
| Product Name | Graviner Mark 6 |
| Manufacturer | Graviner / Kidde Fire Protection |
| Equipment Type | Oil Mist Detector |
| Application | Diesel Engine Protection |
| Monitoring Area | Engine Crankcase |
| Display | LCD Display |
| Detection Method | Optical Oil Mist Monitoring |
| Sensor Type | Remote Detector Heads |
| Alarm Function | High Oil Mist Alarm |
| Integration | Engine Monitoring System |
| Marine Application | Main and Auxiliary Engines |
| Availability | New, Used, Reconditioned |
Specifications may vary according to installation configuration and engine manufacturer requirements.
Protects large propulsion engines operating on long international voyages.
Provides continuous crankcase monitoring for main and auxiliary engines.
Supports engine safety requirements for critical propulsion machinery.
Provides dependable engine protection in demanding operating conditions.
Protects sophisticated propulsion and power generation systems.
Ensures reliable engine condition monitoring and safety supervision.
Widely used aboard offshore support vessels, platform supply vessels, and drilling support ships.
Provides continuous monitoring for propulsion and auxiliary engines.
Protects critical engines supporting scientific missions.
Enhances engine reliability and operational safety.
The Graviner Mark 6 commonly operates alongside Engine Monitoring Systems, Alarm Monitoring Systems, Power Management Systems, Main Engine Safety Systems, Generator Control Systems, Radar, ECDIS, AIS, Gyro Compass, GPS, VDR, BNWAS, GMDSS, and Integrated Vessel Automation Systems.
SM MARINE SERVICE™ provides sourcing and supply support for Graviner Mark 6 spare parts, including:
We support both current and obsolete Graviner Oil Mist Detection Systems installed onboard vessels worldwide.
SM MARINE SERVICE™ offers complete repair and technical support services for Graviner Mark 6 Oil Mist Detection Systems.
Services include:
Customers seeking Manual PDF, User Manual, Service Manual, Installation Manual, Wiring Diagram, or Technical Documentation may contact SM MARINE SERVICE™ for assistance.
Samir Market, DT Road, Pahartali, Beside CDA Market, Chattogram, Bangladesh
Shanghai, China
SM MARINE SERVICE™ supplies both New Equipment and Reconditioned Equipment depending on customer requirements and budget.
We provide worldwide supply, sourcing, repair, calibration, technical support and spare parts services for marine automation, navigation, communication and marine electronic systems.
Website : https://www.smmarineservice.com
Email : info@smmarineservice.com
WhatsApp and Viber : +8801818929292
Marketing Contact: Nazmul Hasan Bhuiyan
Mobile WhatsApp and Viber : +8801730296909
The Graviner Mark 6 Oil Mist Detector is one of the most respected engine protection systems used throughout the marine industry. Its ability to provide continuous crankcase monitoring, early warning protection, and reliable operation makes it a critical safety device for modern diesel engines.
For supply, repair, calibration, spare parts, troubleshooting, technical documentation, reconditioned replacement units, and technical support for Graviner Mark 6 Oil Mist Detection Systems, contact SM MARINE SERVICE™. We provide professional marine engineering solutions and worldwide support for engine monitoring systems, marine automation equipment, and ship safety systems.
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