IHI MAN NR/TCR Series Marine Diesel Turbocharger Repair Kit for 250-2500kW Engines with 4.0 Pressure Ratio
The NR series turbocharger is a radial-flow design featuring single-stage radial-flow turbine and centrifugal compressor components. Utilizing inboard support roller bearings with external lube oil supply, this series delivers flow rates from 0.6-4.0 m³/s, compression ratios of 1.5-4.0, and total efficiency exceeding 80%. Single turbocharger units are compatible with 250-2500kW high-speed diesel and gas engines.
| TCR12 | TCR16 | TCR20 | NR34/R |
| TCR14 | TCR18 | TCR22 | NR24/R |
| NR15/R | NR17/S | NR29/S | NR26 |
| NR20 | NR20/S | NR12/S | NR26/R |
| NR20/R | NR24/S | NR14/S |
| Type | Length (mm) | Width (mm) | Height (mm) |
|---|---|---|---|
| NR12/S | 858 | 402 | 432 |
| NR15/R | 715-724 | 500-520 | 525-672 |
| NR20/R | 900-960 | 662-692 | 700-730 |
| NR20/S | 1165 | 715 | 678 |
| NR24/S | 1470 | 748 | 838 |
| Type | Max. Engine Output (kW) | Max. Speed (rpm) | Weight (Kg) |
|---|---|---|---|
| NR12/S | 670 | 75000 | 155 |
| NR15/R | 800 | 57000 | 200 |
| NR20/R | 1400 | 44000 | 400 |
| NR20/S | 1870 | 44700 | 350 |
| NR24/S | 2690 | 37300 | 505 |
- External lube oil supply compatible with diesel engine oil systems
- Forward inclined and backward curved compressor blades with maximum pressure ratio of 4.0
- Vaned diffuser pressure plates for optimal airflow
- Non-water-cooled casing design for simplified installation
- Total efficiency exceeding 60% for improved engine performance
- Single-stage radial turbine and centrifugal compressor configuration
- Compatible with 300-2500kW two-stroke and four-stroke diesel engines
- Inner bracing plain bearing with uncooled casing design
- Unique nozzle ring blades enhance working surge performance
- Continuous bending compressor wheel design for durability
- 61%-66% overall turbocharger efficiency with 4.0 maximum pressure ratio
- Widely used in marine main engines and auxiliary power systems
Approximately one week after payment, depending on quantity and custom mold requirements.
Each product undergoes strict quality control and inspection before shipment, ensuring top manufacturing standards.
Yes, we welcome OEM and ODM orders with our professional design team support.
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Yes, we provide comprehensive mold making services for custom requirements.
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