Polski
Utworzono 09.23
Rozpocznij swoją przygodę ze sprężonym powietrzem bez oleju
Oil-free compressors operate without oil in the compression chamber, which eliminates the chance of downstream contamination with oil in the compressed air supply. Rather than using oil for lubrication, sealing and cooling, these types of compressors utilise other technologies, such as water jackets and advanced, coated compression elements, engineered with microscopic tolerances to deliver oil-free compressed air.
In oil-free screw compressors, which make up the bulk of the market for this type of product, external gears synchronise the position of the counter-rotating screw elements. As the rotors do not come in contact, nor create friction between each other, no oil is required for lubrication within the compression chamber.
Precision engineering of the housing and screw elements minimises air leakage and pressure drops from the pressure side to the inlet. As the internal pressure ratio is limited by differences in air temperature between the inlet and discharge ports, oil-free screw compressors are frequently built with several stages and inter-stage cooling to maximise the pressure reach.
今天的先进无油压缩机不仅能产生最高质量的零级空气，还能显著节省生命周期成本。无油空气技术有助于避免昂贵的过滤器更换，降低油凝结物处理和处置的成本，并减少因压力下降造成的能量损失。
However, in selecting the most suitable oil-free compressor; there is an important distinction between ‘Class 0’ oil-free compressors, which guarantee absolutely no contamination of air, and what is known as ‘technically oil-free’ category where oil as a contaminant is introduced to the compressed air system and needs to be filtered out and removed downstream of the compressor.
Compressed air has its own set of standards set by the International Organisation for Standardisation (ISO). The ISO 8753-1 standard governs the ultimate air purity determined by the number of particles per cubic metre as a function of particle size, with compressors ranked from ISO Class 0-5:
ISO Class 0 - Oil-Free air: Esta clase es la opción más limpia y menos arriesgada.
ISO Class 1 - 技术上无油空气：该等级允许在压缩空气流中引入一定程度的油污染，然后需要进行过滤和去除。
Oil-free compressed air systems require fewer items of ancillary equipment and less maintenance compared to a technically oil-free system meeting the same ISO air quality standard.
It is important to rectify a common misconception, namely that oil-free compressors are all oil-less. Most oil-free compressors still require oil for lubrication of the drive train gear, but smart sealing technology prevents this lubricating oil entering the compressed air stream.Maintenance cost savings start with the oil itself.
For product or sales enquiries please contact：
Shanghai A-Turbo Energy Technology Co., Ltd
Tel: +86 13816886438
Email: zhu@a-turbocn.com
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Website: www.a-turbocn.com
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