MAN B&W NA Series
Turbine type
axial flow turbine
Max. temp.
650 °C
Pressure ratio
up to 4.5 (NA/S), up to 4.2 (NA/T9)
- Suitable for HFO, MDO, Gas
- In-board arrangement of plain bearings, lubricated by the engine's lube oil supply system; lifetime of bearings more than 25,000 hours
- One-part compressor wheel milled out of high-strength aluminium alloy, with continuously backward bent blades for stable characteristics at a high efficiency level
- Enlarged turbine blades made of high-quality material with improved blading efficiency
- All casings of the NA/S turbochargers are of "waterless" design; the bearing casings of NA57/T9 and NA70/T9 are water-cooled
- No corrosion of turbine casings with heavy fuel oil operation
- Excellent acceleration behaviour due to a low moment of inertia of the rotor
- Profiled nozzle ring
- Simple maintenance and long service life
Don't see your exact model or part reference? Send us the maker, model, and serial number and we'll confirm whether we can source it.