ELT920 Oil Gas Separator Filter Element

The ELT920 Oil Gas Separator Filter Element is designed as a direct, high-performance substitute for original equipment, delivering exceptional removal of oil mist and aerosols from compressed air and gas streams. It provides reliable protection for pneumatic tools, instruments, and other sensitive components by effectively reducing oil carryover to trace levels, thereby minimizing maintenance costs, preventing system fouling, and ensuring consistent air quality.

The ELT920 element utilizes advanced coalescing media – typically a multi-layer glass fiber matrix – to capture and agglomerate microscopic oil droplets suspended in the gas stream. As compressed air passes through the element, tiny oil particles coalesce into larger droplets that drain back to the compressor reservoir via an integrated return port. 

This is the standard specification of the oil gas separator filter Elt 920. If you have other needs, please contact us for a quote.

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• High Oil Removal Efficiency: Achieves residual oil content as low as 3-5 ppm (parts per million) or better, meeting compressor manufacturer specifications and protecting downstream equipment.
• Low Pressure Drop: Optimized media structure provides excellent separation with minimal flow resistance, reducing energy consumption and maintaining compressor efficiency.
• High Dirt-Holding Capacity: The deep-bed glass fiber matrix captures solid particulate while coalescing oil, extending service life and reducing change frequency.
• Durable Construction: Built with corrosion-resistant end caps, robust center tubes, and high-quality gaskets to withstand compressor operating conditions including elevated temperatures (up to 120°C / 248°F).
• Reliable Drainage: Integrated drainage layer and proper orientation ensure captured oil flows back to the reservoir, preventing re-entrainment.
• Cost-Effective Maintenance: Provides OEM-equivalent performance at a competitive price, offering excellent lifecycle value for preventive maintenance programs.

The ELT920 Oil Gas Separator Filter Element is specifically designed for use in rotary screw compressors, reciprocating compressors, vacuum pumps, and industrial gas systems where oil carryover must be minimized. Its primary applications include:

• Rotary Screw Air Compressors: Final stage separation to remove oil mist from compressed air before it enters the aftercooler and downstream dryers/filters.
• Vacuum Pumps: Oil separation in oil-sealed rotary vane vacuum pumps to prevent oil mist discharge.
• Industrial Gas Compression: Removing lubricating oil from compressed gases (nitrogen, natural gas, process gases) to protect catalysts, instruments, and processes.
• Compressed Air Systems: As a replacement element in maintenance kits for compressor overhaul.

Huahang Filter is dedicated to engineering replacement parts that meet or exceed original specifications for fit, form, and function. Operating from our modern 26,000㎡ ISO-certified facility, we ensure every component, delivers consistent separation efficiency, structural integrity, and compatibility demanded by compressor manufacturers and end-users worldwide.

Why Choose Huahang Filter

• Advanced Media Engineering: We utilize high-efficiency glass fiber media engineered with precise fiber diameter and packing density to achieve optimal oil droplet capture and coalescence while maintaining low pressure drop. The media is treated for enhanced oil drainage.
• Multi-Layer Construction for Deep Bed Coalescing: Our elements incorporate multiple layers with graduated porosity – a coarse outer layer for large droplets and solids, a fine micro-glass layer for sub-micron aerosol capture, and a drainage layer that allows coalesced oil to flow freely to the sump.
• Precision Dimensional Control: We meticulously manufacture to exact specifications, ensuring a perfect fit in your compressor housing. Critical features such as gasket grooves, sealing rings, and center tubes are precisely formed to prevent bypass.
• Rigorous Quality Assurance: Every ELT920 element is tested for burst strength, structural integrity, and coalescing efficiency.
• Broad Compressor Compatibility: Designed to replace OEM separators in screw compressors, vacuum pumps, and industrial gas systems from leading brands as well as custom applications.

Q: Is this a genuine OEM separator element?
A: This is a high-performance direct replacement manufactured by Huahang Filter. It is engineered to provide equivalent fit, separation efficiency, and oil carryover performance to the original ELT920 OEM part. The part number is for reference and identification purposes only.

Q: How do I confirm this ELT920 element will fit my compressor?
A: Verify that the part number matches your compressor's parts manual or the element currently installed. Also check critical dimensions: outer diameter, length, center tube diameter, gasket type, and orientation. If you have a sample, our team can cross-reference it for perfect compatibility.

Q: What is the typical service life of an oil-gas separator element?
A: Service life varies based on compressor operating hours, oil quality, ambient conditions, and maintenance practices. Typically, replacement is recommended every 6,000 to 8,000 hours or annually. Monitor pressure drop across the separator – a significant increase indicates the element is loading and requires replacement.

Q: Can this element be cleaned and reused?
A: No. Oil-gas separator elements are disposable cartridges designed for single use. Cleaning can damage the delicate glass fiber media and permanently reduce separation efficiency, leading to increased oil carryover. Always replace with a new element.

Q: What happens if I don't change the separator on time?
A: A clogged separator causes high pressure drop, reducing compressor efficiency and increasing energy costs. More critically, a saturated or failed separator will allow oil carryover into the compressed air system, fouling dryers, filters, pneumatic tools, and instruments, and potentially causing product contamination or safety hazards.

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