IHI/MAN NR/TCR Series Turbocharger Nozzle Ring for Marine Diesel Engines 250-2500kW with 4.0 Pressure Ratio
Price:
negotiable
MOQ:
1
Delivery Time:
5-8 work days
Brand:
BF
Product Description
Product Overview
The IHI/MAN Marine Turbocharger NR/TCR Series Nozzle Ring is a high-performance radial-flow turbocharger designed for ship diesel engines. This single-stage turbocharger combines radial-flow turbine and centrifugal compressor technologies with inboard support roller bearings and external lube oil supply.
Technical Specifications
Performance Range
Flow range: 0.6-4.0 m³/s | Compression ratio: 1.5-4.0 | Total efficiency: >80%
Single turbocharger compatibility: 250-2500kW high-speed diesel and gas engines
Dimensions by Model
| Model | 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 |
Performance Parameters
| Model | 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 |
Design Features
- 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 type pressure plates
- Non-water-cooling casing design
- Total efficiency exceeding 60%
Product Advantages
- 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
- Unique nozzle ring blades for improved surge performance
- Continuous bending compressor wheel design
- 61%-66% overall efficiency with 4.0 maximum pressure ratio
- Widely used in marine main engines and auxiliary engines
Applications
Extensively applied in shipbuilding, locomotive, land power station, and petroleum drilling industries. Ideal for in-land and coastal transportation and fishing applications due to high efficiency, compact size, lightweight construction, and excellent maintainability.
Compatible Models
TCR12, TCR14, TCR16, TCR18, TCR20, TCR22, NR12/S, NR14/S, NR15/R, NR17/S, NR20, NR20/R, NR20/S, NR24/S, NR24/R, NR26, NR26/R, NR29/S
Frequently Asked Questions
Q: When will you deliver the goods?
A: Approximately one week after payment, depending on quantity and custom mold requirements.
Q: How about product quality?
A: Each product undergoes strict quality control and inspection before shipment, ensuring top manufacturing standards.
Q: Do you accept customized orders?
A: Yes, we welcome OEM and ODM orders with our professional design team support.
Q: What payment methods do you accept?
A: T/T, L/C, PayPal, and Western Union are all acceptable payment options.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Chongqing Xionggong Mechanical & Electrical Co., Ltd.
Location
No. 111, Longshan Ave, Yubei Dist., Chongqing, China (Mainland)
Contact Person
Xijia Huang