Oil Free Screw Air Compressor

Many industries have a zero-tolerance toward oil or other contaminants. Oil-free screw air compressors from ELGI Indonesia provide 100% oil-free compressed air solutions that offer zero contamination risks with enhanced energy efficiency and long-term reliability. ELGi’s oil-free compressors are widely used in pharmaceutical, electronics, food & beverage, and textile industry which have stringent quality and safety norms. Compared to their counterparts, ELGi’s range of oil-free compressors is designed to be more energy-efficient and reliable while also being lighter and quieter.

With proprietary air ends that are designed and manufactured in-house, ELGi provides unmatched benefits in terms of air quality, operating cost and operational reliability. The compressors have been engineered to adhere to international safety and quality standards of the highest order.

Screw compressors piston compressors

WHY CHOOSE ELGI’S OIL-FREE AIR COMPRESSORS?

CLASS 0 OIL FREE AIR SOLUTION

Oil-Free air compressors from ELGi comply with ISO8573-1 Class 0 oil standards. The food-grade coating on the inside metal surface of the compressor and the special e-coating in the pipes ensures consistent oil-free air without any metal debris, while optimised rotor clearances provide consistent air delivery.

REDUCED COST OF OWNERSHIP

ELGi air compressor’s oil-free technology optimises productivity by eliminating the energy wasted during pressure drops, thus reducing operating costs. This, along with the high operational reliability, ensures that ELGi oil-free compressors offer the best-in-class cost of ownership.

DISTINCTIVE DESIGN AND OWNERSHIP OF TECHNOLOGY

ELGi is among the few air compressor companies to design and manufacture oil-free airends which are highly reliable and efficient. The unique eta-V rotor design from ELGi reduces pressure losses and increases stage efficiencies, leading to an optimised compressed air system. With our in-house oil-free technology, every ELGi oil-free air compressor is designed to deliver maximum uptime and reliability.

HIGHEST EFFICIENCY AND RELIABILITY

ELGi’s airend rotors and housing are coated with PTFE-based food-grade PP coating to resist corrosion. This also allows the airend to endure high temperatures up to 250°C, resulting in an optimum long-term performance with no loss efficiency losses.

WORKING PRINCIPLE OF OIL-FREE AIR COMPRESSORS

Essentially, oil-free air compressors work on the same principle as oil-lubricated air compressors. However, there are some critical differences in the compression process. This is to ensure that the compressed air is devoid of any oil, which is present in the compressor mainly as a lubricant.

In the case of an oil-free rotary screw compressor, external gears synchronise the position of the counter-rotating screw elements. As the rotors do not come in contact and create friction, no lubrication is required within the compression chamber. For an oil-free piston air compressor, the compressing piston is coated with Teflon or any other certified safe material, thus eliminating the need for an oil or lubricant.

ADVANTAGES OF USING OIL-FREE AIR COMPRESSORS

Using oil-free compressors significantly reduces the machinery’s maintenance costs and downtime, allowing for higher operational efficiencies, decreased energy consumption, longer machine lifetimes, and improved product quality. Oil-free air compressors are also more environmentally friendly as the absence of moving parts in the oil-free air compressor ensures no emission of greenhouse gases or fumes into surrounding areas. This further enhances workplace safety by eliminating hazardous gas emissions and the need to change lubrication fluid and filter.

INDUSTRIES THAT USE OIL-FREE AIR COMPRESSORS

Oil-free air compressors find applications across several industries where air quality is critically important. The compressors are required for food and beverage processing, the manufacturing and packaging pharmaceutical products, chemical processing, electronic manufacturing, textile production, and automotive spray painting, among other applications. All these processes require the strictest quality standards as any contamination can damage products are cause downtime.

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