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Kidde Global Solutions

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70 Years of Oil Mist Detection at Sea.

Since the hazard of crankcase explosions was first identified following the Reina del Pacifico disaster in 1947, the Graviner oil mist detector has been used to monitor oil mist levels on many thousands of merchant ships and fleets worldwide — supported by a network of first-class, authorised and trained service teams.

MK6

On Service over 20+ years

1951

First Graviner OMD Mk1 system

70+ Years

Of oil mist detection expertise 

Mk7

Current-generation OMD system 

OMD system range

Crankcase protection for every fleet.

Mk7 OMD System

The current-generation system: local analysis of oil mist samples at each individual detector, removing the need for long sample pipes or a compressed air supply. Results and operational information are shown on a full-colour LCD Remote Display Unit in a safe area.
  • Local per-detector oil mist analysis
  • Full-colour LCD Remote Display Unit
  • Integrates with ship Alarm Monitoring Systems
  • Standard for new-build vessels since 2012
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Mk6 OMD System

In service on many vessels for over 20 years, monitoring diesel engine crankcases for explosive conditions and early bearing-failure warning signs. Aftermarket spares and support only — not recommended for new installations.
  • 20+ years in service across the fleet
  • Spares and support still available
  • Bulkhead or flush-mount control unit
  • Upgrade path to the Mk7 system
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Mk6 & Mk7 Common Accessories

An extensive range of genuine commissioning and maintenance accessories for both the Mk6 and Mk7 systems, supporting continued safe operation and maximising the functional life of every installation.
  • Commissioning & service kits
  • Genuine detector base assemblies
  • Smoke testers & calibration oil
  • Cleaning & maintenance supplies
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Graviner OMD history

Seven decades of protecting fleets at sea.

1947

Following the Reina del Pacifico disaster, Lloyds Register approached Graviner to develop a product to reduce the risk of marine diesel engine explosions.

1951

Lloyds Register introduces crankcase safety regulations, and Graviner develops the first OMD Mk1 system.

1978

OMD Mk5 launched — in service until 2002, with spares supplied until 2015.

2000

OMD Mk6 launched — in service on vessels worldwide for over 20 years.

2012

OMD Mk7 launched — the culmination of decades of oil mist monitoring expertise combined with the latest technology.

2021

Mk7 is the standard OMD system specified for new-build vessels and system upgrades.

Trusted to protect what matters most — the crew, the vessel, the voyage.

Where graviner protects

Fitted across every kind of commercial vessel.

Container ships OMD Oil Mist Detection

Container Ships

Crankcase protection for the large diesel engines powering global container trade.
Oil Tankers OMD Oil Mist Detection

Oil & Chemical Tankers

Explosion-risk monitoring for engine rooms on tankers carrying hazardous cargo.

Cruise & Passenger Ships

Safety-critical detection protecting crew and passengers at sea.
Ferries OMD Oil Mist Detection

Ferries

Dependable crankcase protection for vessels in frequent, high-cycle service.
Offshore OMD Oil Mist Detection

Offshore Support Vessels

Detection built for the demanding duty cycles of offshore operations.

Protecting your fleet starts with Graviner.

From new-build specification to Mk6 spares and support, talk to us about the right Oil Mist Detection system for your vessels.
Explore the Mk7 System
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Good to know

The questions people ask before they choose.

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What is Graviner?

Graviner makes oil mist detection systems, including the Mk6 and Mk7, that protect ship and industrial engines from crankcase explosions.

Where are Graviner detectors used?

On ships, offshore platforms and large industrial engines.