Wartsila 34DF Series User Manual

3.3 Wärtsilä 12V34DF
ME
IMO Tier 2
AE/DE
IMO Tier 2
AE/DE
IMO Tier 2
Wärtsilä 12V34DF
Diesel modeGas modeDieselmodeGas modeDiesel modeGas mode
450450435kWCylinder output
750750720rpmEngine speed
540054005220kWEngine output
1.981.982.0MPaMean effective pressure
Combustion air system (Note 1)
11.48.610.88.610.28.6kg/sFlow at 100% load
454545°CTemperature at turbocharger intake, max.
-45-45-45°CTemperature after air cooler (TE 601), load > 70%
-55-55-55°CTemperature after air cooler (TE 601), load 30...70%
50-50-50-°CTemperature after air cooler (TE 601)
Exhaust gas system (Note 2)
11.78.811.18.810.58.8kg/sFlow at 100% load
8.27.08.77.37.97.3kg/sFlow at 75% load
6.35.85.65.55.35.5kg/sFlow at 50% load
315390340385350385°CTemperature after turbocharger at 100% load (TE 517)
345400355415375415°CTemperature after turbocharger at 75% load (TE 517)
350345410440420440°CTemperature after turbocharger at 50% load (TE 517)
444kPa (bar)Backpressure, max.
840773836770817770mmCalculated exhaust diameter for 35 m/s
Heat balance at 100% load (Note 3)
10609401010940970900kWJacket water, HT-circuit
138066012706601140640kWCharge air, HT-circuit
630500540500510490kWCharge air, LT-circuit
620540610540580520kWLubricating oil, LT-circuit
220200220200210200kWRadiation
Fuel consumption (Note 4)
-7620-7620-7620kJ/kWhTotal energy consumption at 100% load
-7960-8090-8090kJ/kWhTotal energy consumption at 75% load
-8170-8750-8750kJ/kWhTotal energy consumption at 50% load
-7543-7543-7543kJ/kWhFuel gas consumption at 100% load
-7839-7972-7972kJ/kWhFuel gas consumption at 75% load
-7972-8534-8534kJ/kWhFuel gas consumption at 50% load
1932.01912.01892.0g/kWhFuel oil consumption at 100% load
1872.71952.81932.8g/kWhFuel oil consumption at 75% load
1924.52024.92004.9g/kWhFuel oil consumption 50% load
Fuel gas system (Note 5)
-452-452-452kPa (a)Gas pressure at engine inlet, min (PT901)
-572-572-572kPa (a)Gas pressure to Gas Valve Unit, min
-0...60-0...60-0...60°CGas temperature before Gas Valve Unit
Fuel oil system
700±50700±50700±50kPaPressure before injection pumps (PT 101)
5.95.85.6m
3
/hFuel oil flow to engine, approx
16...24-16...24-16...24-cStHFO viscosity before the engine
140-140-140-°CMax. HFO temperature before engine (TE 101)
2.02.02.0cStMDF viscosity, min.
454545°CMax. MDF temperature before engine (TE 101)
21.810.921.610.820.710.3kg/hLeak fuel quantity (MDF), clean fuel at 100% load
2...112...112...11cStPilot fuel (MDF) viscosity before the engine
550...750550...750550...750kPa (a)Pilot fuel pressure at engine inlet (PT 112)
150150150kPaPilot fuel pressure drop after engine, max
680680680kg/hPilot fuel return flow at 100% load
Lubricating oil system
500500500kPaPressure before bearings, nom. (PT 201)
404040kPaSuction ability, including pipe loss, max.
505050kPaPriming pressure, nom. (PT 201)
353535kPaSuction ability priming pump, including pipe loss, max.
636363°CTemperature before bearings, nom. (TE 201)
818181°CTemperature after engine, approx.
Product Guide Wärtsilä 34DF - 3/2012 17
Product Guide
3. Technical Data

Wartsila 34DF Series Specifications

General

Brand	Wartsila
Model	34DF Series
Category	Engine
Language	English