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Air Compressor Claw:Oil-Free Type

Oil-Free Claw Compressor 15 - 37 kW
Without dryer type or Built-in dryer type

Oil-Free Type

Absolute Air - an ultimate oil-free compressor that provides high efficiency, durability and clean air

・These models feature an oil-free, uniquely shaped claw compressor main unit that provides clean air, with an oil mist catcher as a standard component.

Features

More efficient, environment friendly and easy to use. The Absolute Air compressor provides clean air while meeting all the needs that an oil-free compressor is required to satisfy. The compressor has uniquely shaped claws in the main unit to achieve the highest level of efficiency in this range. What's more, the air-cooled two-stage compression mechanism and the latest control method offer improved durability and energy-saving performance.
These remarkable features make Absolute Air an ultimate oil-free compressor.

Cutting technologies provide high efficiency, durability and clean air.


The further evolved compressor has claws in its main unit.

The uniquely shaped claw compressor consists of two rotors, one male and one female. Since they do not come into contact with each other as they rotate, the rotors do not wear easily and have a long life. The inner surface of the casing and the surface of the female rotor have special coating for greater air tightness. On each rotor, the inlet and outlet are located on symmetric faces. This prevents load from being applied in the axial direction, thus prolonging the life of the bearing. The rotors with accurate design are made of stainless copper and highly resistant to corrosion. Since they are located symmetrically relative to the axis, they are free from vibration.

Fully air-cooled, two-stage compressor

The claws are of a fully air-cooled type and do not require cooling fluid (oil, water or coolant). With no extra auxiliary devices needed, they are easy to maintain. The two-stage compression mechanism is used in which an inter cooler cools high-pressure compressed air to prevent unnecessary heat expansion in the first stage and the air is compressed efficiently in the second stage. Since the compression heat is low, the main unit suffers little damage from the heat, resulting in stable performance.

Touch panel as a standard component

An easy-to-operate LCD touch panel is provided. It features maintenance indication, fault indication, remote control and external output port. An automatic power fail recovery function is also available as a standard feature.

Air/oil flow diagram

Oil mist catcher as a standard component

The compressor has an oil mist catcher as a standard component in its package. There is no need to set the breathing line, which improves the setting environment.
The latest compressor diagnosis system is used.
By connecting a measuring instrument to the measuring plug of the compressor main unit, the life of the bearings in the main unit can be checked in advance.
Fine dual control enables energy-saving operation.
In addition to energy-efficient loaded and unloaded operation, automatic motor start/stop is supported. The motor automatically starts and stops up to eight times per unit time, reducing wasteful unloaded operation.

Inverter control also available

Greater energy savings

Efficient rotation appropriate for air consumption is provided under all load conditions to reduce power consumption, delivering an optimal air flow for the use condition.
・Constant pressure control keeps the target pressure within the range of ±0.01 MPa, achieving an energy saving of about 8.5% compared to the standard model (loaded and unloaded control).
・An energy saving of about 19% is achieved at 50% load compared to the standard model (loaded and unloaded control).
・The motor stops when air consumption is low.
・A built-in DC reactor is featured that controls harmonics of the inverter in compliance with the harmonic guideline of the Japan Electrical Manufacturers' Association (JEMA).
・Low-pressure speed increasing function

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