Oil free compressors draw air within a cylinder which is pre-lubricated for permanent lubrication which helps produce compressed air of a quality that is identical to the intake air, which helps the air to remain oil free. This kind of air compressors are less expensive, lighter in weight and produce as much airflow (CFM) & pressure (psi) as many of the oil lubricated models.
ELGi’s oil free air compressors provides 100% oil free compressed air solutions that are designed to offer zero contamination risks with enhanced energy efficiency and long term reliability. The range of oil free compressors are widely used industries that include pharmaceutical, electronics, food & beverage and textiles where oil contamination cannot be tolerated in the process.
OIL FREE PISTON AIR COMPRESSORS
1-4 HP SINGLE-STAGE DIRECT DRIVE
ELGi’s single stage oil free piston air compressors address the requirements of sensitive applications. Example – oil-free air for sophisticated equipment like dental chairs, laboratory and process equipment. For critical medical air and industrial oil free air needs, ELGi offers two stage oil free compressors.
OIL FREE PISTON AIR COMPRESSORS
5-15 HP TWO-STAGE
ELGi’s two stage oil free piston air compressors deliver clean, dry air with maximum reliability, energy efficiency and ease of maintenance to meet the exacting demands of oil free air across various industries. Select models are offered with desiccant driers for applications that demand low pressure dew points.
ELGi’s oil free air compressors provide compatible oil free air compressed that meets the ISO8573-1 class 0 oil standards. The part where the air comes in direct contact with metal surface inside the compressor is coated with food-grade material, ensuring consistent oil free air without metal debris. Our pipes have special e-coating which ensures consistently clean and oil free air along with optimized rotor clearances which ensures consistent air delivery.
The oil free technology of ELGi air compressors optimize the productivity and eliminates the energy wasted during pressure drops. They not only reduce the operating costs but also provides clear access to air components and are designed for easy maintenance.
ELGi is among the very few air compressor companies to design and manufacture oil free airends. With our in-house oil free technology, the compressors are engineered to deliver maximum uptime and reliability. ELGi’s unique eta-V rotor design reduces pressure losses and increases stage efficiencies, leading to an optimized compressed air system.
ELGi’s airend rotors and housing are coated with PTFE based food-grade PP coating to resist corrosion and endures high temperatures up to 250°C. This results in optimum long term performance with no loss in efficiency.
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