Wartsila ?31DF Series User Manual

Table of contents
1-11. Main Data and Outputs ............................................................................................................................
1-11.1 Maximum continuous output ...............................................................................................................
1-21.2 Reference conditions ...........................................................................................................................
1-21.3 Operation in inclined position (only for Marine Solutions engines) ......................................................
1-31.4 Dimensions and weights .....................................................................................................................
2-12. Operating Ranges ....................................................................................................................................
2-12.1 Engine operating range ........................................................................................................................
2-22.2 Loading capacity ..................................................................................................................................
2-82.3 Low load operation ...............................................................................................................................
2-102.4 Low air temperature ............................................................................................................................
3-13. Technical Data ..........................................................................................................................................
3-13.1 Introduction ..........................................................................................................................................
3-33.2 Wärtsilä 8V31DF ...................................................................................................................................
3-113.3 Wärtsilä 10V31DF .................................................................................................................................
3-193.4 Wärtsilä 12V31DF .................................................................................................................................
3-273.5 Wärtsilä 14V31DF .................................................................................................................................
3-353.6 Wärtsilä 16V31DF .................................................................................................................................
4-14. Description of the Engine ........................................................................................................................
4-14.1 Definitions .............................................................................................................................................
4-14.2 Main components and systems ...........................................................................................................
4-64.3 Time between Inspection or Overhaul & Expected Life Time ..............................................................
4-74.4 Engine storage .....................................................................................................................................
5-15. Piping Design, Treatment and Installation .............................................................................................
5-15.1 Pipe dimensions ...................................................................................................................................
5-25.2 Trace heating ........................................................................................................................................
5-25.3 Pressure class ......................................................................................................................................
5-35.4 Pipe class .............................................................................................................................................
5-45.5 Insulation ..............................................................................................................................................
5-45.6 Local gauges ........................................................................................................................................
5-45.7 Cleaning procedures ............................................................................................................................
5-65.8 Flexible pipe connections .....................................................................................................................
5-85.9 Clamping of pipes ................................................................................................................................
6-16. Fuel Oil System .........................................................................................................................................
6-16.1 Acceptable fuel characteristics ............................................................................................................
6-96.2 Operating principles .............................................................................................................................
6-106.3 Fuel gas system ...................................................................................................................................
6-186.4 External fuel oil system ........................................................................................................................
7-17. Lubricating Oil System ............................................................................................................................
7-17.1 Lubricating oil requirements .................................................................................................................
7-27.2 External lubricating oil system .............................................................................................................
7-87.3 Crankcase ventilation system .............................................................................................................
7-107.4 Flushing instructions ............................................................................................................................
8-18. Compressed Air System ..........................................................................................................................
8-18.1 Instrument air quality ............................................................................................................................
8-18.2 External compressed air system ..........................................................................................................
DBAE248994 v
Table of contentsWärtsilä 31DF Product Guide

Wartsila ?31DF Series Specifications

General

Brand	Wartsila
Model	?31DF Series
Category	Engine
Language	English