Atlas Copco Air Compressor Parts Oil Separator Kits Replacement

The Atlas Copco screw air compressor oil separator is designed to provide clean, oil-free compressed air and optimal energy efficiency. Built with advanced coalescing media and precision-engineered flow dynamics, it ensures reliable separation performance and extends the lifetime of your compressor components.

Application

Screw Air Compressor

Material

Filter Paper

MOQ

5 pieces

In an oil-injected screw air compressor, air and oil are intimately mixed to lubricate, cool, and seal the compression chamber. Once compressed, this air–oil mixture must be separated effectively before the air enters the downstream system.

A high-quality oil separator ensures that the majority of the oil is captured and returned to the compressor circuit, keeping the discharge air exceptionally clean—typically with an oil content below 2–3 mg/m³. This precision filtration not only improves air quality but also maintains system efficiency, reduces oil consumption, and safeguards internal parts from premature wear.

Engineering Principle and Separation Process

The separation process within the element involves three integrated mechanisms:

Centrifugal Separation: The air–oil mixture enters the separator tank tangentially, where heavier oil droplets are flung outward and drained by gravity.
Mechanical Coalescence: The remaining mist passes through a multi-layer coalescing medium made of ultra-fine borosilicate glass fibers, merging tiny oil particles into larger droplets.
Return and Reuse: Collected oil droplets flow back into the oil circuit via the return line, while clean, dry air exits the separator.

This multi-stage approach guarantees low residual oil content and stable differential pressure, maintaining consistent compressor performance even under fluctuating load conditions.

Technical Highlights

Ultra-Fine Filtration Media: Multi-layer borosilicate microfiber offers superior oil–air separation efficiency.
Optimized Flow Path: Reduced turbulence minimizes pressure drop and energy loss.
Durable Build: Stainless steel inner core and epoxy-coated end caps resist corrosion and deformation.
Thermal Stability: High-temperature seals and gaskets ensure consistent performance in continuous-duty operations.
High Oil Recovery Efficiency: Advanced return system minimizes oil consumption and operating costs.

Design and Material Excellence

Each separator is constructed using precision-formed steel housing and multi-density coalescing layers to withstand the high temperature and pressure typical of screw compressor operation.

The internal layers are carefully calibrated to maintain a balance between filtration accuracy and airflow resistance. A reinforced metal mesh supports the filter medium to prevent collapse, ensuring long service intervals even in harsh environments.

Part Number Reference

This separator can replace multiple OEM part numbers used in Atlas Copco compressors, such as:

Part Numbers
1625481100	2911006800	1625005590	1092200289	2901056622	1604132882	1092300919	2911011702
2911011703	2911007500	2906058800	1614952100	1625725300	1622035101	2903035101	1622314000
2901162600	1622087100	2903087100	1625703600	2901196300	2903062301	1622062301	1625775300
2903775300	1092203406	1625165776	1625182867	1614642300	2901007000	2901043200	2903101001
2901077901	2906075200	2901056600	2901056602	1613839700	1613839702	1612386900	2901034300
1613750200	1622007900	2901077900	1613243300	2901007800	1622646000	2901164300	2901021300
2901085800	1613984000	2906009800	2906056400	1614905400	1614905600	1621938599	2906056500
2906020200	42546259	39895610	42841239	39863857	39894597	54601513	42841247
54509427	23566938	39863865	92699198	92062132	0250100-755	0250100-756	02250061-137
02250061-138	250034-085	0250048-734	250034-122	250034-134	250034-124	250034-130

(Please confirm your compressor’s part number before purchase.)

Performance and Operational Benefits

Maintains low oil carryover for clean compressed air
Improves compressor energy efficiency by reducing backpressure
Extends the life of air-end, filters, and downstream equipment
Reduces oil top-up frequency and overall maintenance costs
Provides stable system performance even under continuous operation

Maintenance and Replacement Guide

To maintain peak system efficiency, replace the oil separator approximately every 4,000–6,000 operating hours, or sooner in dusty or high-humidity conditions.
Monitor the pressure differential across the separator—an increase above 0.8 bar typically indicates clogging. Always ensure the oil return line remains unobstructed and replace O-rings or seals during every element change to maintain airtight integrity.

Why Choose Our Oil Separator

Our oil separators are engineered for long-term reliability and high efficiency, offering performance equal to or exceeding Atlas Copco original parts. Whether for standard maintenance or overhaul replacement, they deliver consistent purity, energy savings, and reduced downtime—making them the trusted choice for compressor service specialists worldwide.

MAECENAS IACULIS

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ADIPISCING CONVALLIS BULUM

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