Marine Turbo Service
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T- NR20/R Turbocharger Rotor Assembly belongs to the part of T- / T- NR Series turbocharger, which is widely used in ship building, locomotive, land power station and petroleum drilling industries, extensively applicable to in-land and coastal transportation and fishing due to its high efficiency, small size, light weight, favorable maintainability and serviceability, adequate supply of spare parts.
| T- | T- NR Series |
| T- NR12/S | |
| T- NR14/S | |
| T- NR15/R | |
| T- NR17/S | |
| T- NR20 | |
| T- NR20/R | |
| T- NR20/S | |
| T- NR24/R | |
| T- NR24/S | |
| T- NR26/R | |
| T- NR29/S | |
| T- NR34/R | |
| T- NR34/S |
| Type | L(mm) | W(mm) | H(mm) | Weight (kg) |
| T- NR12/S | 858 | 402 | 432 | 155 |
| T- NR15/R | 715-724 | 500-520 | 525-672 | 200 |
| T- NR20/R | 900-960 | 662-692 | 700-730 | 400 |
| T- NR20/S | 1,165 | 715 | 678 | 350 |
| T- NR24/S | 1470 | 748 | 838 | 505 |
Marine turbocharger/Exhaust gas turbochargers operate at high speeds, high exhaust gas temperatures, high air and exhaust gas flow rates, and high flow rates. Generally, the pressure of the exhaust gas is 0.25-0.45 MPa, and the exhaust gas temperature is 500-600 °C. The speed varies with the size of the Marine turbocharger / supercharger. The maximum speed of the large-sized supercharger is 10000 r/min, and the maximum speed of the small-sized supercharger can reach 40,000~50000r/min. Therefore, the marine turbocharger/exhaust gas turbocharger is a precision machine.
When the diesel-exhaust turbocharger combination is in operation, the marine turbocharger/exhaust gas turbocharger is prone to failures such as turbine casing corrosion, bearing damage, blade damage, gas seal damage, and supercharger vibration. The daily good maintenance agement can reduce these failures.