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?31DF Series
Wartsila ?31DF Series User Manual
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T
able
3-4
V
ariable
speed
engines
(CPP),
750rpm,
MDF/HFO
Engine
load
[%]
Engine
driven
pumps
50
75
85
100
-58.1
-57.1
-57.1
-57.1
Lube
oil
-21.0
-21.0
-21.0
-21.0
L
T
W
ater
-21.0
-21.0
-21.0
-21.0
HT
W
ater
3-2
DBAE248994
Wärtsilä
31DF
Product
Guide
3.
T
echnical
Data
25
27
Table of Contents
Default Chapter
5
Table of Contents
5
1 Main Data and Outputs
9
Maximum Continuous Output
9
Reference Conditions
10
Operation in Inclined Position (Only for Marine Solutions Engines)
10
Dimensions and Weights
11
2 Operating Ranges
15
Engine Operating Range
15
Loading Capacity
16
Low Load Operation
22
Low Air Temperature
24
3 Technical Data
25
Introduction
25
Wärtsilä 8V31DF
27
Wärtsilä 10V31DF
35
Wärtsilä 12V31DF
43
Wärtsilä 14V31DF
51
Wärtsilä 16V31DF
59
4 Description of the Engine
67
Definitions
67
Main Components and Systems
67
Time between Inspection or Overhaul & Expected Life Time
72
Engine Storage
73
5 Piping Design, Treatment and Installation
75
Pipe Dimensions
75
Trace Heating
76
Pressure Class
76
Pipe Class
77
Insulation
78
Local Gauges
78
Cleaning Procedures
78
Flexible Pipe Connections
80
Clamping of Pipes
82
6 Fuel Oil System
85
Acceptable Fuel Characteristics
85
Operating Principles
93
Fuel Gas System
94
External Fuel Oil System
102
7 Lubricating Oil System
123
Lubricating Oil Requirements
123
External Lubricating Oil System
124
Crankcase Ventilation System
130
Flushing Instructions
132
8 Compressed Air System
135
Instrument Air Quality
135
External Compressed Air System
135
9 Cooling Water System
139
Water Quality
139
External Cooling Water System
140
10 Combustion Air System
151
Engine Room Ventilation
151
Combustion Air System Design
152
11 Exhaust Gas System
155
Exhaust Gas Outlet
155
External Exhaust Gas System
157
12 Turbocharger Cleaning
165
Turbine Cleaning System
165
Compressor Cleaning System
166
13 Exhaust Emissions
167
Dual Fuel Engine Exhaust Components
167
Marine Exhaust Emissions Legislation
167
Methods to Reduce Exhaust Emissions
167
14 Automation System
169
Technical Data and System Overview
169
Functions
175
Alarm and Monitoring Signals
179
Electrical Consumers
179
System Requirements and Guidelines for Diesel-Electric Propulsion
181
15 Foundation
183
Steel Structure Design
183
Mounting of Main Engines
183
Mounting of Generating Sets
186
Flexible Pipe Connections
187
16 Vibration and Noise
189
External Forces & Couples
189
Mass Moments of Inertia
192
Air Borne Noise
192
Exhaust Noise
192
17 Power Transmission
193
Flexible Coupling
193
Torque Flange
193
Clutch
193
Shaft Locking Device
193
Input Data for Torsional Vibration Calculations
194
Turning Gear
195
18 Engine Room Layout
197
Crankshaft Distances
197
Space Requirements for Maintenance
201
Transportation and Storage of Spare Parts and Tools
201
Required Deck Area for Service Work
201
19 Transport Dimensions and Weights
205
Lifting of Main Engines
205
Lifting of Generating Sets
206
Engine Components
207
Product Guide Attachments
211
Annex
213
Collection of Drawing Symbols Used in Drawings
214
4
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Wartsila ?31DF Series Specifications
General
Brand
Wartsila
Model
?31DF Series
Category
Engine
Language
English
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