HPR 4000 Bearing Casing For KBB Exhaust Gas Output 700-1300kW

HPR4000 Bearing Casing For KBB Exhaust Gas Turbocharger Engine Output 700-1,300kW

Design features for KBB / HPR series marine turbocharger:

• HPR4000 bearing casing belongs to KBB / HPR turbohargers, is designed to suitable diesel engines, heavy fuel oil engines, natural gas, biogas and special gas engines, and dual-fuel engines.

• HPR series turbocharger is single-staged turbine with high pressure turbocharging suitable for medium-speed engine.

• high compressor pressure ratios, up to 5.0 (if with aluminium impeller, the max. pressure ratio is 4.7);
• combined with wide compressor maps;
• Engines power range from 700 to 1,300 kW output per turbocharger;
• Reduced pollutant emissions from the engines;
• Compressor and turbine with washing device;
• The bearing casing is water-cooled type;
• Long service life and extended maintenance intervals.

KBB HPR exhaust gas turbocharger includes types as below:

Engine output, pressure ratio and weight for KBB HPR Series turbocharger:

Note:

* with aluminium impeller - max. pressure ratio 4.7

** Weight = basic turbo + air filter silencer + gas outlet casing

More picture for HPR4000 Turbo Bearing Casing​:

Description of HPR4000 Turbo Bearing Casing:

The turbocharger casings include turbine casing, bearing casing and compressor casing, which cover and protect all the important parts safely in the turbocharger to ensure a premium perforce of the engine.

Bearing casing is usually made by casted iron. It is designed for easier installation of all the bearings and rotor shafts at the same time well protection of the bearings and shafts, so as to simplify the maintenance job and increase of the service life of the turbochargers.

Brief introduction of marine turbocharger:

The marine turbocharger, also known as exhaust gas turbocharger, is the main equipment in the diesel engine boosting system. It consists of a single-stage exhaust gas turbine and a centrifugal compressor. They are mounted on the same shaft to form the moving part of the marine turbocharger/exhaust gas turbocharger - the rotor. The function of the marine turbocharger/exhaust gas turbocharger is to use the diesel exhaust energy to drive the turbine to drive the compressor on the coaxial to increase the air pressure into the cylinder, so that the diesel engine power is greatly improved. The exhaust turbocharger approximately doubles the power of the diesel engine, but its weight is only increased 10%.

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