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Crankcase Explosion Relief Valves – Minimize a high safety risk

Secure the optimal safety for your vessel and crew by replacing the engine’s Crankcase Relief Valves with the latest generation, meeting the highest specifications and requirements in terms of durability and flame arresting.
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Crankcase Explosion Relief Valves

Safety regarding construction and operation of MAN B&W combustion engines is of key importance to MAN Energy Solutions.

The Crankcase Explosion Relief Valves have undergone a safety-improving design development in the period from 1998 to 2020.
The latest generation of type-approved Crankcase Explosion Relief Valves provide improved protection of the crew and limits consequential damage in the event of a crankcase explosion.

Outdated relief valves increase the risk of serious consequential damages and bodily injury. Therefore we recommend to update your engines built before 2007 with our latest generation of type-approved crankcase explosion relief valves.

Learn more about how our Relief Valves work in case of explosion

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Check list for how to prevent a Crankcase Explosion

  • Use Class- and MAN-ES approved valves
  • Perform careful maintenance work according to the manufacturer’s instructions and/or MAN ES instruction manuals
  • Check the tightness of the crankcase
  • Ensure proper maintenance and testing of;
    • Oil Mist Detector
    • Bearing wear monitoring system (BWM)
    • Shaft line earthling device
  • Keep the system oil free of water

For more information, please see below Service Letters

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Subline under the head title: To find out how Crankcase Explosion Relief Valves can maximimize safety for your crew, enigne and vessels, contact us below contact form. Our Spare Parts experts will happily provide advice and support.

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