MAN Diesel 4.08
Page 3 of 3
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. 4.08.02b: List of capacities for L23/30H, 900 rpm, IMO Tier I.
L23/30H GenSet Data
Cyl. 6 7 8
Max. continuous rating at 900 RPM
kW 960 1,120 1,280
Engine-driven Pumps:
Fuel oil feed pump (5.5-7.5 bar) m
3
/h 1.3 1.3 1.3
L.T. cooling water pump (1-2.5 bar) m
3
/h 69 69 69
H.T. cooling water pump (1-2.5 bar) m
3
/h 45 45 45
Lub. oil main pump (3.5-5 bar) m
3
/h 20 20 20
Separate Pumps:
Diesel oil pump (4 bar at fuel oil inlet A1) m³/h 0.69 0.81 0.92
Fuel oil supply pump*** (4 bar discharge pressure) m
3
/h 0.34 0.40 0.45
Fuel oil circulating pump (8 bar at fuel oil inlet A1) m³/h 0.70 0.82 0.94
L.T. cooling water pump* (1-2.5 bar) m
3
/h 52 61 70
L.T. cooling water pump** (1-2.5 bar) m
3
/h 63 71 85
H.T. cooling water pump (1-2.5 bar) m
3
/h 30 35 40
Lub. oil stand-by pump (3.5-5 bar) m
3
/h 17 18 19
Cooling Capacities:
Lubricating Oil:
Heat dissipation kW 117 137 158
L.T. cooling water quantity* m
3
/h 7.5 8.8 10.1
SW L.T. cooling water quantity** m
3
/h 18 18 25
Lub. oil temp. inlet cooler °C 67 67 67
L.T. cooling water temp. inlet cooler °C 36 36 36
Charge Air:
Heat dissipation kW 369 428 487
L.T. cooling water quantity m
3
/h 46 53 61
L.T. cooling water inlet cooler °C 36 36 36
Jacket Cooling:
Heat dissipation kW 239 281 323
H.T. cooling water quantity m
3
/h 30 35 40
H.T. cooling water temp. inlet cooler °C 77 77 77
Gas Data:
Exhaust gas flow kg/h 8,370 9,770 11,160
Exhaust gas temp. °C 325 325 325
Max. allowable back. press. bar 0.025 0.025 0.025
Air consumption kg/s 2.25 2.62 3.00
Startiang Air System:
Air consumption per start Nm
3
2.0 2.0 2.0
Haeat Radiation:
Engine kW 32 37 42
Generator kW (See separat data from generator maker)
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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