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270~640kW Class
Discharge air volume 48.0~121.7 m3/min


Turbo Compressor with dramatic energy-saving and maintainability expand the range of achievement.

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High efficiency


Thanks to the most advanced aerodynamics technology by KOBELCO, new titanium impeller has been developed. lt achieves 5% better efficiency than conventional model and equivalent to the 3 stage machines by 2 stage.


■ Impeller
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ITCS mounted to increase the power and energy savings


The computer manages optimum load/un-load operation,and self-diagnostic system to avoid sudden failure. And also this cam manage the maintenance interval to increase the maintainability.

You can operate the machine with just pressing the Start/Stop button with its sophisticated user-friendly interface.

5% better efficiency than conventional model,thanks to precise machined Impellers and low pressure loss coolers.

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High reliability


Simple 2-stage construction allows fewer parts (less 1 cooler and 1 pinion from 3-stage machine). Since there is no auxiliary motor except Main motor, less possibility of stop from motor trouble. In addition,rigid one-piece cast iron cooler with gear box decrease its vibration.

Easy maintenance

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Superior capacity control valve
No instrument air is required.

Automatic drain valve
Highly reliable electric type drain valve is equipped as a standard.

Built in type air coolers
Simple one-pass type plate fin coolers are equipped. Water flows in tube side for easy cleaning.

Substantial options


Totally enclosed noise cover (Noise level about 75 dBA)
Low noise specification without cover (about 85 dBA) can also be available

ED series energy-saving dryer
Rotating absorbent dehumidifier that utilizes exhaust heat
●Energy saving-type that requires no electric heat, steam or purged air to regenerate the absorbent.
●Complete unit-type that saves space.

Stainless steel cooler
●SUS304 tube and SUS tube sheet.
●Cupronickel or other materials also available (option)

Exhaust cleaner for oil mist
High performance oil mist cleaner promise pure clean oil free air.
Recovered oil will be returned to gear box without any pollusion.

Electric power limiter

In case that there is no need for flow increase in winter season (character of turbo compressor), energy consumption and start-up current can be saved with continued suction valve control.

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