MAN B&W NR12
Model variants
NR12/R, NR12/S, NR12, NR12/RS01, NR12/RS02, NR12/RS03, NR12/RS04
Supercharged engine output
500-670 kW
Max. admissible speed
75,000 rpm
Length
855 mm
Width
400 mm
Height
430 mm
Weight
155-165 kg
Reference Numbers
These reference numbers identify a part's position on the series diagram — the exact part fitted differs by model. To order, provide the reference number together with the model name and the serial number stamped on the nameplate.
Gas admission casing 8
501.000
Gas admission casing, complete
501.001
Gas admission casing
501.005
Clamping claw
501.006
Stud
501.007
Lock washer pair
501.008
Hexagon nut
501.009
Collar pin
501.040
V-profile clamp
Gas outlet casing 7
506.000
Gas outlet casing, complete
506.001
Gas outlet casing
506.003
Inside diffuser
506.034
Hexagon head bolt
506.035
Lock washer pair
506.074
Threaded Plug
506.075
Sealing ring
Turbine nozzle ring 1
513.001
Turbine nozzle ring
Bearing casing without orifice 23
517.03.000
Bearing casing, complete
517.001
Bearing housing
517.002
Thrust bearing
517.003
Bearing bush
517.007
Retaining ring
517.009
Covering disc
517.017
Sealing cover, turbine side
517.018
O-ring
517.023
Threaded Plug
517.025
Sealing ring
517.029
Stud
517.031
Seal
517.032
Hexagon nut
517.033
Lock washer pair
517.037
Cover
517.051
Countersunk bolt
517.058
Metal adhesive
517.078
Lock washer pair
517.082
Hexagon head bolt
517.085
Grooved pin
517.087
Sealing cover, compressor side
517.088
O-ring
517.090
Threaded Plug
Bearing casing with orifice 25
517.04.000
Bearing casing, complete
517.001
Bearing housing
517.002
Thrust bearing
517.003
Bearing bush
517.007
Retaining ring
517.009
Covering disc
517.017
Sealing cover, turbine side
517.018
O-ring
517.024
Threaded Plug
517.026
Sealing ring
517.029
Stud
517.031
Seal
517.032
Hexagon nut
517.033
Lock washer pair
517.037
Cover
517.051
Countersunk bolt
517.058
Metal adhesive
517.078
Lock washer pair
517.082
Hexagon head bolt
517.085
Grooved pin
517.087
Sealing cover, compressor side
517.088
O-ring
517.090
Threaded Plug
517.112
Orifice
517.113
Sealing ring
Rotor, complete 11
520.000
Rotor, complete
520.001
Turbine rotor
520.005
Compressor wheel
520.006
Splash ring
520.028
Thrust ring
520.031
Distance sleeve
520.032
Piston ring
520.068
Rotor nut
520.070
Spring Washer
520.102
Locating ring (shrink-fitted)
520.132
Piston ring
Insert, compressor side 5
540.000
Insert, complete
540.001
Insert
540.015
O-ring seal (if provided)
540.016
O-ring
540.030
Balance ring
Insert, turbine side 1
541.001
Insert, turbine side
Diffuser 1
542.001
Diffuser
Silencer 14
544.000
Silencer, complete
544.001
Casing (assembled)
544.005
Cone (assembled)
544.010
Damping plate (assembled)
544.034
Perforated plate (assembled)
544.066
Stud
544.067
Hexagon nut
544.068
Washer
544.084
Threaded Plug
544.085
Sealing ring
544.201
Air filter mat
544.202
Hose clamp
544.205
Cover strip
544.222
Sleeve
Air intake casing 7
545.000
Air intake casing, complete
545.001
Air intake casing
545.014
Hexagon head bolt
545.018
Threaded Plug
545.019
Sealing ring
545.068
Stud
545.069
Lock nut
Compressor casing 12
546.000
Compressor casing, complete
546.001
Compressor casing
546.005
V-profile clamp
546.008
Countersunk bolt
546.020
Hexagon head bolt
546.023
Lock washer pair
546.025
Type plate
546.026
Notched nail
546.050
Flange
546.051
Sealing ring
546.052
Hexagon head bolt
546.065
Locking agent (Loctite 243)
Speed measuring device 6
562.000
Speed measuring device, complete
562.004
Holding disk
562.040
Speed transmitter
562.083
Terminal box (if provided)
562.100
Speed indicator (if provided)
562.135
Teflon-armoured cable (if provided)
Turbine wet cleaning 7
578.01.000
Cleaning device for turbine, complete (wet cleaning)
578.01.002
Nipple
578.01.003
Sealing ring
578.01.005
Sealing ring
578.01.006
Pressure reducing station
578.01.010
Plate (with cleaning instructions)
578.01.020
Three-way cock
Turbine dry cleaning 11
578.02.000
Cleaning device for turbine, complete (dry cleaning)
578.02.001
Tank
578.02.020
Threaded Plug
578.02.025
Nipple
578.02.026
Nipple
578.02.027
Nipple
578.02.028
Nipple
578.02.029
U-bolt
578.02.030
Ball cock
578.02.031
Stop cock
578.02.035
Plate (with cleaning instructions)
Compressor cleaning 30
579.119
Syringe
579.000
Cleaning device for compressor, complete (separate tank)
579.029
Tank
579.030
Threaded Plug
579.042
Hexagon head bolt
579.080
Suction pipe
579.090
Hose
579.091
Hose clamp
579.103
Nipple
579.104
Reducing connection
579.120
Connecting piece
579.122
Hydrometer cock
579.123
Sealing ring
579.124
Nipple
579.127
Hose
579.128
Hose clamp
579.130
Bracket
579.178
Plate (with cleaning instructions)
579.000
Cleaning device for compressor, complete (pressure sprayer)
579.029
Pressure sprayer
579.090
Hose
579.091
Hose clamp
579.095
Coupling
579.096
Nipple
579.100
Screwed socket
579.101
Sealing ring
579.102
Angular screw connection
579.103
Nipple
579.130
Bracket
579.179
Plate
Thermal Coverings 6
591.001
Covering with insulation on gas-admission casing
591.060
Two-part plate
591.066
Sealing ring
591.085
Joining piece
591.101
Covering with insulation on gas outlet casing
591.160
Annular lagging
Central Cartridge Core 1
599.000
Cartridge