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Atlas Copco has announced that its ZD high-pressure compressors offer PET packaging production the security of 100 per cent oil-free air with a Class 0 certification.

Risk of any contamination by oil is effectively eliminated during PET bottle-blowing for the bottled water, soft drinks, and fruit juice and beverage industry.

Testing for the ISO 8573-1 Class 0 certification was carried out using stringent test methods simulating realistic industrial environments.

At all test conditions, no traces of oil could be detected and the compressed air was certified to be in the category ‘Class 0’ in terms of oil content.

All Atlas Copco oil-free air compressors are certified Class 0.

The Atlas Copco ZD is an energy efficient and silent 40 bar compressor, and maintains the flexibility and reliability required by the high-volume PET blowing market.

Oil contamination is an invisible enemy in all bottling installations and aseptic environments.

Many bottlers take extra steps toward purity with decontamination after blow-moulding of the preforms.

Even the slightest traces of oil can result in altered or toxic product batches and health hazards for consumers, recalls and reputation damage, as well as production downtime and cleanup.

The Atlas Copco 40-bar ZD compressor eliminates the risks of oil contamination through its design.

Testing of the Atlas Copco ZD compressor was carried out by the independent Technische Uberwachungs-Verein (German Technical Monitoring Association (TUV).

All forms of oil contamination – liquids, aerosols and vapours – were measured at three different temperatures (20C, 40C and 50C) and at different pressures (25, 30 and 40 bar (e)) at the measurement point.

No traces of oil were found in the output air stream.

With the ZD, Atlas Copco pioneered four-stage compression (thermodynamically, the four-stage build-up helps to lower energy consumption by seven per cent compared to a three-stage build-up).

In addition, the offer for an integrated variable speed drive (VSD) is useful if bottle sizes change frequently.

With the VSD, up to 35 per cent energy savings can be achieved.

Suitable for all re-injection installations, the RI VSD model can provide extra energy savings.

The high volumes of PET production lines and their continuous operation mean that the reliability of PET blowing compressors is extremely important.

Atlas Copco produces high-pressure air in four stages, achieving lower pressure ratios per stage.

This means less wear-and-tear and reduced maintenance costs.

With a model at 76.4 dBA, the ZD is a quiet high-pressure compressor.

Atlas Copco has fitted all of its ZDs with silencing canopies as standard, therefore eliminating the need and cost for a separate compressor room.

The ZD is delivered with a concrete base-plate to absorb vibrations, so no foundation or fixation bolts are required; handling is via forklift.

The ZD can simultaneously deliver both high-pressure air for blowing needs and medium-pressure air for labelling, instrumentation and capping; this eliminates the supplementary investment in a standalone medium pressure compressor.

Both segments of the ZD can be installed directly adjacent to the blower.

Atlas Copco Compressors

Atlas Copco Compressors is a leading manufacturer of energy efficient compressed air systems and vacuum pumps. In the UK the company offers a nationwide sales, service and distribution network and specialist compressed air advice and service to UK compressed air and vacuum users. Our product portfolio covers oil-free air compressors, oil-lubricated air compressors, centrifugal compressors, high-pressure compressors, vacuum pumps, blowers, engineered air and gas compressors, nitrogen generators; air treatment equipment such as dryers, receivers, and air line filters, as well as aluminium pipework for compressed air, nitrogen, oxygen and other gases.

Atlas Copco Compressors is a leading manufacturer of energy efficient compressed air systems and vacuum pumps. In the UK the company offers a nationwide sales, service and distribution network and specialist compressed air advice and service to UK compressed air and vacuum users. Our product portfolio covers oil-free air compressors, oil-lubricated air compressors, centrifugal compressors, high-pressure compressors, vacuum pumps, blowers, engineered air and gas compressors, nitrogen generators; air treatment equipment such as dryers, receivers, and air line filters, as well as aluminium pipework for compressed air, nitrogen, oxygen and other gases.

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