MAN Diesel 4.08
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MAN Diesel
198 42 078.5MAN B&W S80MC/MC-C/ME-C, K80MC-C/ME-C, S70MC/MC-C/ME-C/ME-GI,
L70MC-C/ME-C, S65ME-C/ME-GI, S60MC/MC-C/ME-C/ME-GI/ME-B,
L60MC-C/ME-C, S50MC/MC-C/ME-C/ME-B, S46MC-C/ME-B, S42MC,
S40MC-C/ME-B, S35MC/MC-C/ME-B, L35MC, S26MC
Fig. 4.08.02a: List of capacities for L23/30H, 720/750 rpm, IMO Tier I.
L23/30H GenSet Data
Cyl. 5 6 7 8
Max. continuous rating at 720/750 RPM
kW 650/675 780/810 910/945 1,040/1,080
Engine-driven Pumps:
Fuel oil feed pump (5.5-7.5 bar) m
3
/h 1.0 1.0 1.0 1.0
L.T. cooling water pump (1-2.5 bar) m
3
/h 55 55 55 55
H.T. cooling water pump (1-2.5 bar) m
3
/h 36 36 36 36
Lub. oil main pump (3-5 bar) m
3
/h 16 16 20 20
Separate Pumps:
Diesel oil pump (4 bar at fuel oil inlet A1) m³/h 0.46/0.48 0.55/0.57 0.64/0.67 0.73/0.76
Fuel oil supply pump *** (4 bar discharge pressure) m
3
/h 0.22/0.23 0.27/0.28 0.31/0.33 0.36/0.37
Fuel oil circulating pump (8 bar at fuel oil inlet A1) m³/h 0.46/0.48 0.56/0.58 0.65/0.67 0.74/0.77
L.T. cooling water pump* (1-2.5 bar) m
3
/h 35 42 48 55
L.T. cooling water pump** (1-2.5 bar) m
3
/h 48 54 60 73
H.T. cooling water pump (1-2.5 bar) m
3
/h 20 24 28 32
Lub. oil stand-by pump (3-5 bar) m
3
/h 14.0 15.0 16.0 17.0
Cooling Capacities:
Lubricating Oil:
Heat dissipation kW 69 84 98 112
L.T. cooling water quantity* m
3
/h 5.3 6.4 7.5 8.5
L.T. cooling water quantity** m
3
/h 18 18 18 25
Lub. oil temp. inlet cooler °C 67 67 67 67
L.T. cooling water temp. inlet cooler °C 36 36 36 36
Charge Air:
Heat dissipation kW 251 299 348 395
L.T. cooling water quantity m
3
/h 30 36 42 48
L.T. cooling water inlet cooler °C 36 36 36 36
Jacket Cooling:
Heat dissipation kW 182 219 257 294
H.T. cooling water quantity m
3
/h 20 24 28 32
H.T. cooling water temp. inlet cooler °C 77 77 77 77
Gas Data:
Exhaust gas flow kg/h 5,510 6,620 7,720 8,820
Exhaust gas temp. °C 310 310 310 310
Max. allowable back. press. bar 0.025 0.025 0.025 0.025
Air consumption kg/s 1.49 1.79 2.09 2.39
Starting Air System:
Air consumption per start Nm
3
2.0 2.0 2.0 2.0
Heat Radiation:
Engine kW 21 25 29 34
Generator kW (See separat data from generator maker)
The stated heat dissipation, capacities of gas and engine-driven pumps are given at 720 RPM. Heat dissipation gas and pump capaci-
ties at 750 RPM are 4% higher than stated. If L.T. cooling are sea water, the L.T. inlet is 32° C instead of 36°C.
Based on tropical conditions, except for exhaust flow and air consumption which are based on ISO conditions.
* Only valid for engines equipped with internal basic cooling water system nos. 1 and 2.
** Only valid for engines equipped with combined coolers, internal basic cooling water system no. 3.
*** To compensate for built on pumps, ambient condition, calorific value and adequate circulations flow. The ISO fuel oil consumption is
multiplied by 1.45.
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