Wärtsilä Variable Injection Timing

The new Wärtsilä Variable Injection Timing (VIT) fuel pump element advances the injection timing at part load for Wärtsilä Vasa 32 LowNOx engines. This results in earlier and better combustion, lower fuel consumption and smoother operation.

    Technical info

    The VIT is an automatic function for Wärtsilä Vasa 32LN engines that controls the injection start depending on the actual engine load and cares for optimum part load fuel consumption.

    The VIT injection pump elements are interchangeable with the existing injection pump elements and can be installed during maintenance without any further modifications.

    Benefits
    • 2% fuel consumption reduction on part load operation (50%)
    • Lower smoke levels at low load operation
    • Improved operational availability due to modified plunger design
    • Easy installation using exchange pumps or element replacement
    Application
    The Wärtsilä VIT Injection pump elements can be installed on all Wärtsilä Vasa 32LN engines. The solution is most beneficial for customers regularly operating the engines on part load.

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