Turbocharger Nozzle Ring IHI/MAN Turbocharger NR/TCR Series

IHI/MAN Martine Turbocharger NR/TCR Series Nozzle Ring for Ship Diesel Engine

Products Introduction

NR series supercharger is radial-flow turbocharger, which consists of single-stage radial-flow turbine and centrifugal compressor, adopts inboard support roller bearing and centrifugal compressor, adopts inboard support roller bearing and external lube oil supply structure. Flow range is this series turbocharger is 0.6-4.0m3/s, compression ratio range 1.504.0 and total efficiency higher than 80%. Single turbocharger can cooperate with 250-2500kw high speed diesel engine and gas engine. NR turbocharger are used widely in shipbuilding, locomotive, land power station and petroleum drilling industries. They are 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.

Applicable Model

Main Technical Parameters

Volume Technical Data

Design Features

• Requirement of external lube oil supply: the lube oil for diesel engine can be used directly.
• Compressor vanes: forward inclined and backward curved blades, Max. compressor press. Ratio is 4.
• Pressure plates: vaned diffuser type.
• Casing: the design of non-water-cooling type.
• Total efficiency: more than 60%

Products Features

• It consists of single-stage radial turbine and centrifugal compressor
• The single unit can be matched with two-Stroke or four-Stroke diesel engine of 300-2500kw
• Inner bracing plain bearing with uncooled casing design
• Unique nozzle ring blades designed to improve the performance of working surge
• The compressor wheel adopts continuous bending 
• The overall efficiency of T/C is 61%-66%, with the maximum pressure ratio of 4.0
• It is widely used in Marine main engine and auxiliary engine

FAQ

Questions & Answers
Q: When will you deliver the goods?
A: About one week after payment. It also depends on the quantity and whether you need mould making.

Q: How about quality of products?
A: We strictly control every detail of the products. Each product is inspected before leaving factory, with the top quality of China.

Q: How about price?
A: We will offer you the best and competetive price.

Q:Do you accept customized orders?
A: Yes. With design team, OEM and ODM orders are highly welcome.

Q:Which transportation do you accept?
A: DHL, FedEx, EMS etc, as for your convenience.

Q:What about payment terms?
A: T/T, L/C, PayPal and West Union are acceptable.

Q:Can you accept mould making?
A: Yes.