Wartsila ?31DF Series User Manual

Name: Wartsila ?31DF Series
Brand: Wartsila
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monitoring. Additionally UNIC includes fuel injection control for engines with electronic fuel

injection rate optimized nozzles.

For more information, see chapter Automation system.

DBAE248994 4-5

4. Description of the EngineWärtsilä 31DF Product Guide

Default Chapter5
- Table of Contents5
1 Main Data and Outputs9
- Maximum Continuous Output9
- Reference Conditions10
- Operation in Inclined Position (Only for Marine Solutions Engines)10
- Dimensions and Weights11
2 Operating Ranges15
- Engine Operating Range15
- Loading Capacity16
- Low Load Operation22
- Low Air Temperature24
3 Technical Data25
- Introduction25
- Wärtsilä 8V31DF27
- Wärtsilä 10V31DF35
- Wärtsilä 12V31DF43
- Wärtsilä 14V31DF51
- Wärtsilä 16V31DF59
4 Description of the Engine67
- Definitions67
- Main Components and Systems67
- Time between Inspection or Overhaul & Expected Life Time72
- Engine Storage73
5 Piping Design, Treatment and Installation75
- Pipe Dimensions75
- Trace Heating76
- Pressure Class76
- Pipe Class77
- Insulation78
- Local Gauges78
- Cleaning Procedures78
- Flexible Pipe Connections80
- Clamping of Pipes82
6 Fuel Oil System85
- Acceptable Fuel Characteristics85
- Operating Principles93
- Fuel Gas System94
- External Fuel Oil System102
7 Lubricating Oil System123
- Lubricating Oil Requirements123
- External Lubricating Oil System124
- Crankcase Ventilation System130
- Flushing Instructions132
8 Compressed Air System135
- Instrument Air Quality135
- External Compressed Air System135
9 Cooling Water System139
- Water Quality139
- External Cooling Water System140
10 Combustion Air System151
- Engine Room Ventilation151
- Combustion Air System Design152
11 Exhaust Gas System155
- Exhaust Gas Outlet155
- External Exhaust Gas System157
12 Turbocharger Cleaning165
- Turbine Cleaning System165
- Compressor Cleaning System166
13 Exhaust Emissions167
- Dual Fuel Engine Exhaust Components167
- Marine Exhaust Emissions Legislation167
- Methods to Reduce Exhaust Emissions167
14 Automation System169
- Technical Data and System Overview169
- Functions175
- Alarm and Monitoring Signals179
- Electrical Consumers179
- System Requirements and Guidelines for Diesel-Electric Propulsion181
15 Foundation183
- Steel Structure Design183
- Mounting of Main Engines183
- Mounting of Generating Sets186
- Flexible Pipe Connections187
16 Vibration and Noise189
- External Forces & Couples189
- Mass Moments of Inertia192
- Air Borne Noise192
- Exhaust Noise192
17 Power Transmission193
- Flexible Coupling193
- Torque Flange193
- Clutch193
- Shaft Locking Device193
- Input Data for Torsional Vibration Calculations194
- Turning Gear195
18 Engine Room Layout197
- Crankshaft Distances197
- Space Requirements for Maintenance201
- Transportation and Storage of Spare Parts and Tools201
- Required Deck Area for Service Work201
19 Transport Dimensions and Weights205
- Lifting of Main Engines205
- Lifting of Generating Sets206
- Engine Components207

Wartsila ?31DF Series User Manual

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Brand	Wartsila
Model	?31DF Series
Category	Engine
Language	English