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