NHP297 Cover Ring Marine Turbocharger Parts For Napier Diesel Turbo Charger
NAPIER turbocharger description:
NHP297 turbo nozzle ring / NA297 turbo nozzle ring belongs to Napier 7 Series turbochargers, which was developed in 1998 and it is highly regarded by two key features that: outstanding perforce design and minimum cost to end-user.
- For engine power output range from 1 to 7.5 MW per turbocharger;
- Wide compressor map allowing peak efficiency operation up to 84%;
- Adopting the latest water-wasing techniques for ultimate flexibility, such as heavy fuel oil (HFO) optimization;
- Semi-floating design of journal bearing, operation more reliable with low wear and tear;
- Without leakage at very low engine loads due to its innovative shaft sealing adoption;
- Suitable for a wide variety of fuels, heavy fuel oil (HFO), diesel oil, fuel and gas operation;
- Compact and space-saving design, easy to install so friendly maintenance or overhaul service;
- The latest technologies' utilizing makes the fuel consumption and emissions lowered.
- widely used in marine, power plant and rail traction applications.
NHP297(NA297) turbocharger engine output for reference:
Napier | 7 Series | Engine Output (MW) | Pressure Ratio (Max.) |
NA297 | 1-3.5 | 4.8 |
NA307 | 1-4.5 | 5.3 |
NA357 | 3-6.5 | 4.8 |
NA397 | 3-7.5 | 5.3 |
More photos for NHP 297 Turbo Cover Ring:



Q&A:
Q1. What is the origin of country?
A: The complete TC is made by our factory in China.
Q2. How can I order it?
A: Before you issue the order, please send the nameplate or spec to us for checking. Then we'll make the quote for you before you send the PO to us.
Q3. What is the warranty?
A: 12 months for fixed parts; 6 months for rotary parts.
Q4. How y years of ufacturing experience have you had on marine turbocharger field?
A: More than 20 years. Our factory was established in 1999.