W 9L34DF

Wärtsilä 9L34DF  IMO Tier 2

AE/DE

AE/DE

ME

Gas

Diesel

Gas

Diesel

Gas

Diesel

Cylinder output

kW

435

450

450

Engine speed

rpm

720

750

750

Engine output

kW

3915

4050

4050

Mean effective pressure

MPa

2.0

1.98

1.98

Combustion air system (Note 1)

Flow at 100% load

kg/s

6.5

7.6

6.5

8.1

6.5

8.6

Temperature at turbocharger intake, max.

°C

45

45

45

Temperature after air cooler (TE 601), load > 70%

°C

45

-

45

-

45

-

Temperature after air cooler (TE 601), load 30...70%

°C

55

-

55

-

55

-

Temperature after air cooler (TE 601)

°C

-

50

-

50

-

50

Exhaust gas system (Note 2)

Flow at 100% load

kg/s

6.7

7.8

6.7

8.3

6.7

8.8

Flow at 75% load

kg/s

5.4

6.0

5.4

6.5

5.3

6.2

Flow at 50% load

kg/s

4.3

4.0

4.3

4.2

4.4

4.7

Temperature after turbocharger at 100% load (TE 517)

°C

390

350

390

340

390

315

Temperature after turbocharger at 75% load (TE 517)

°C

425

375

425

355

410

345

Temperature after turbocharger at 50% load (TE 517)

°C

440

420

440

410

355

350

Backpressure, max.

kPa

4

4

4

Calculated exhaust diameter for 35 m/s

mm

673

707

673

724

673

727

Heat balance at 100% load (Note 3)

Jacket water, HT-circuit

kW

700

730

730

760

730

800

Charge air, HT-circuit

kW

490

860

510

880

510

1030

Charge air, LT-circuit

kW

360

380

370

410

370

470

Lubricating oil, LT-circuit

kW

420

430

440

460

440

470

Radiation

kW

150

160

150

160

150

160

Fuel consumption (Note 4)

Total energy consumption at 100% load

kJ/kWh

7710

-

7710

-

7710

-

Total energy consumption at 75% load

kJ/kWh

8190

-

8190

-

8130

-

Total energy consumption at 50% load

kJ/kWh

8890

-

8890

-

8350

-

Fuel gas consumption at 100% load

kJ/kWh

7629

-

7629

-

7629

-

Fuel gas consumption at 75% load

kJ/kWh

8067

-

8067

-

8010

-

Fuel gas consumption at 50% load

kJ/kWh

8677

-

8677

-

8153

-

Fuel oil consumption at 100% load

g/kWh

2.0

189

2.0

191

2.0

193

Fuel oil consumption at 75% load

g/kWh

2.8

193

2.8

195

2.7

187

Fuel oil consumption 50% load

g/kWh

4.9

200

4.9

202

4.5

192

Fuel gas system (Note 5)

Gas pressure at engine inlet, min (PT901)

kPa (a)

452

-

452

-

452

-

Gas pressure to Gas Valve Unit, min

kPa (a)

572

-

572

-

572

-

Gas temperature before Gas Valve Unit

°C

0...60

-

0...60

-

0...60

-

Fuel oil system

Pressure before injection pumps (PT 101)

kPa

700±50

700±50

700±50

Fuel oil flow to engine, approx

m3/h

4.2

4.4

4.4

HFO viscosity before the engine

cSt

-

16...24

-

16...24

-

16...24

Max. HFO temperature before engine (TE 101)

°C

-

140

-

140

-

140

MDF viscosity, min.

cSt

2.0

2.0

2.0

Max. MDF temperature before engine (TE 101)

°C

45

45

45

Leak fuel quantity (MDF), clean fuel at 100% load

kg/h

7.8

15.5

8.1

16.2

8.2

16.4

Pilot fuel (MDF) viscosity before the engine

cSt

2...11

2...11

2...11

Pilot fuel pressure at engine inlet (PT 112)

kPa (a)

550...750

550...750

550...750

Pilot fuel pressure drop after engine, max

kPa

150

150

150

Pilot fuel return flow at 100% load

kg/h

635

635

635

Lubricating oil system

Pressure before bearings, nom. (PT 201)

kPa

500

500

500

Suction ability, including pipe loss, max.

kPa

30

30

30

Priming pressure, nom. (PT 201)

kPa

50

50

50

Suction ability priming pump, including pipe loss, max.

kPa

30

30

30

Temperature before bearings, nom. (TE 201)

°C

63

63

63

Temperature after engine, approx.

°C

79

79

79

Pump capacity (main), engine driven

m3/h

108

112

112

Pump capacity (main), electrically driven

m3/h

96

100

100

Priming pump capacity (50/60Hz)

m3/h

21.6 / 25.9

21.6 / 25.9

21.6 / 25.9

Oil volume in separate system oil tank

m3

5

5

5

Oil consumption at 100% load, approx.

g/kWh

0.4

0.4

0.4

Crankcase ventilation flow rate at full load

l/min

1260

1260

1260

Crankcase ventilation backpressure, max.

kPa

0.3

0.3

0.3

Oil volume in turning device

l

8.5...9.5

8.5...9.5

8.5...9.5

Oil volume in speed governor

l

1.4...2.2

1.4...2.2

1.4...2.2

HT cooling water system

Pressure at engine, after pump, nom. (PT 401)

kPa

250 + static

250 + static

250 + static

Pressure at engine, after pump, max. (PT 401)

kPa

530

530

530

Temperature before cylinders, approx. (TE 401)

°C

85

85

85

Temperature after engine, nom.

°C

96

96

96

Capacity of engine driven pump, nom.

m3/h

85

85

85

Pressure drop over engine, total

kPa

100

100

100

Pressure drop in external system, max.

kPa

150 (1.5)

150 (1.5)

150 (1.5)

Pressure from expansion tank

kPa

70...150

70...150

70...150

Water volume in engine

m3

0.56

0.56

0.56

Delivery head of stand-by pump

kPa

250

250

250

LT cooling water system

Pressure at engine, after pump, nom. (PT 471)

kPa

250+ static

250+ static

250+ static

Pressure at engine, after pump, max. (PT 471)

kPa

530

530

530

Temperature before engine, max. (TE 471)

°C

38

38

38

Temperature before engine, min. (TE 471)

°C

25

25

25

Capacity of engine driven pump, nom.

m3/h

85

85

85

Pressure drop over charge air cooler

kPa

35

35

35

Pressure drop in external system, max.

kPa

200 (2.0)

200 (2.0)

200 (2.0)

Pressure from expansion tank

kPa

70...150

70...150

70...150

Delivery head of stand-by pump

kPa

250

250

250

Starting air system

Pressure, nom.

kPa

3000

3000

3000

Pressure, max.

kPa

3000

3000

3000

Low pressure limit in starting air receiver

kPa

1600

1600

1600

Starting air consumption, start (successful)

Nm3

6.2

6.2

6.2

Consumption per start (with slowturn)

Nm3

8.0

8.0

8.0

Wärtsilä 9L34DF  IMO Tier 2

AE/DE

AE/DE

AE/DE

Gas

Diesel

Gas

Diesel

Gas

Diesel

Cylinder output

kW

480

500

500

Engine speed

rpm

720

750

750

Engine output

kW

4320

4500

4500

Mean effective pressure

MPa

2.2

2.2

2.2

Combustion air system (Note 1)

Flow at 100% load

kg/s

6.5

7.9

6.6

8.3

6.6

8.3

Temperature at turbocharger intake, max.

°C

45

45

45

Temperature after air cooler (TE 601), load > 70%

°C

45

-

45

-

45

-

Temperature after air cooler (TE 601), load 30...70%

°C

55

-

55

-

55

-

Temperature after air cooler (TE 601)

°C

-

50

-

50

-

50

Exhaust gas system (Note 2)

Flow at 100% load

kg/s

6.7

8.1

6.8

8.6

6.8

8.6

Flow at 75% load

kg/s

4.9

6.5

5.0

6.8

5.7

6.2

Flow at 50% load

kg/s

4.6

4.5

4.7

4.7

4.3

4.6

Temperature after turbocharger at 100% load (TE 517)

°C

380

340

380

335

380

335

Temperature after turbocharger at 75% load (TE 517)

°C

425

320

425

315

365

340

Temperature after turbocharger at 50% load (TE 517)

°C

386

340

386

340

353

343

Backpressure, max.

kPa

4

4

4

Calculated exhaust diameter for 35 m/s

mm

669

715

675

730

675

730

Heat balance at 100% load (Note 3)

Jacket water, HT-circuit

kW

705

756

735

792

735

792

Charge air, HT-circuit

kW

746

1247

813

1305

813

1305

Charge air, LT-circuit

kW

335

359

365

435

365

435

Lubricating oil, LT-circuit

kW

432

461

450

482

450

482

Radiation

kW

147

161

153

168

153

168

Fuel consumption (Note 4)

Total energy consumption at 100% load

kJ/kWh

7400

-

7400

-

7400

-

Total energy consumption at 75% load

kJ/kWh

7610

-

7610

-

7610

-

Total energy consumption at 50% load

kJ/kWh

8450

-

8450

-

7730

-

Fuel gas consumption at 100% load

kJ/kWh

7324

-

7324

-

7324

-

Fuel gas consumption at 75% load

kJ/kWh

7496

-

7496

-

7505

-

Fuel gas consumption at 50% load

kJ/kWh

8286

-

8286

-

7600

-

Fuel oil consumption at 100% load

g/kWh

1.9

186

1.9

187

1.9

187

Fuel oil consumption at 75% load

g/kWh

2.6

183

2.6

184

2.4

180

Fuel oil consumption 50% load

g/kWh

3.8

190

3.8

191

3.0

182

Fuel gas system (Note 5)

Gas pressure at engine inlet, min (PT901)

kPa (a)

452

-

452

-

452

-

Gas pressure to Gas Valve Unit, min

kPa (a)

572

-

572

-

572

-

Gas temperature before Gas Valve Unit

°C

0...60

-

0...60

-

0...60

-

Fuel oil system

Pressure before injection pumps (PT 101)

kPa

700±50

700±50

700±50

Fuel oil flow to engine, approx

m3/h

4.5

4.7

4.7

HFO viscosity before the engine

cSt

-

16...24

-

16...24

-

16...24

Max. HFO temperature before engine (TE 101)

°C

-

140

-

140

-

140

MDF viscosity, min.

cSt

2.0

2.0

2.0

Max. MDF temperature before engine (TE 101)

°C

45

45

45

Leak fuel quantity (MDF), clean fuel at 100% load

kg/h

8.4

16.8

8.8

17.6

8.8

17.6

Pilot fuel (MDF) viscosity before the engine

cSt

2...11

2...11

2...11

Pilot fuel pressure at engine inlet (PT 112)

kPa (a)

550...750

550...750

550...750

Pilot fuel pressure drop after engine, max

kPa

150

150

150

Pilot fuel return flow at 100% load

kg/h

635

635

635

Lubricating oil system

Pressure before bearings, nom. (PT 201)

kPa

500

500

500

Suction ability, including pipe loss, max.

kPa

30

30

30

Priming pressure, nom. (PT 201)

kPa

50

50

50

Suction ability priming pump, including pipe loss, max.

kPa

30

30

30

Temperature before bearings, nom. (TE 201)

°C

63

63

63

Temperature after engine, approx.

°C

79

79

79

Pump capacity (main), engine driven

m3/h

108

112

112

Pump capacity (main), electrically driven

m3/h

96

100

100

Priming pump capacity (50/60Hz)

m3/h

21.6 / 25.9

21.6 / 25.9

21.6 / 25.9

Oil volume in separate system oil tank

m3

5

5

5

Oil consumption at 100% load, approx.

g/kWh

0.4

0.4

0.4

Crankcase ventilation flow rate at full load

l/min

1260

1260

1260

Crankcase ventilation backpressure, max.

kPa

0.3

0.3

0.3

Oil volume in turning device

l

8.5...9.5

8.5...9.5

8.5...9.5

Oil volume in speed governor

l

1.4...2.2

1.4...2.2

1.4...2.2

HT cooling water system

Pressure at engine, after pump, nom. (PT 401)

kPa

250 + static

250 + static

250 + static

Pressure at engine, after pump, max. (PT 401)

kPa

530

530

530

Temperature before cylinders, approx. (TE 401)

°C

85

85

85

Temperature after engine, nom.

°C

96

96

96

Capacity of engine driven pump, nom.

m3/h

85

85

85

Pressure drop over engine, total

kPa

100

100

100

Pressure drop in external system, max.

kPa

150 (1.5)

150 (1.5)

150 (1.5)

Pressure from expansion tank

kPa

70...150

70...150

70...150

Water volume in engine

m3

0.56

0.56

0.56

Delivery head of stand-by pump

kPa

250

250

250

LT cooling water system

Pressure at engine, after pump, nom. (PT 471)

kPa

250+ static

250+ static

250+ static

Pressure at engine, after pump, max. (PT 471)

kPa

530

530

530

Temperature before engine, max. (TE 471)

°C

38

38

38

Temperature before engine, min. (TE 471)

°C

25

25

25

Capacity of engine driven pump, nom.

m3/h

85

85

85

Pressure drop over charge air cooler

kPa

35

35

35

Pressure drop in external system, max.

kPa

200 (2.0)

200 (2.0)

200 (2.0)

Pressure from expansion tank

kPa

70...150

70...150

70...150

Delivery head of stand-by pump

kPa

250

250

250

Starting air system

Pressure, nom.

kPa

3000

3000

3000

Pressure, max.

kPa

3000

3000

3000

Low pressure limit in starting air receiver

kPa

1600

1600

1600

Starting air consumption, start (successful)

Nm3

6.2

6.2

6.2

Consumption per start (with slowturn)

Nm3

8.0

8.0

8.0