Buy Compressed Air Lubricators Online in Australia
Air Line Lubricator + FRL Selection — Quick Reference
Air line lubricators inject fine oil mist into compressed air streams — keeping pneumatic tools + cylinders + valves lubricated for full service life. Most pneumatic components REQUIRE lubrication; without it, seals + bearings wear prematurely.
| Unit Type | Function | Best For |
|---|---|---|
| FRL Unit (Filter + Regulator + Lubricator) | Combined air prep at tool entry | Air supply to individual workstations — workshop standard |
| Filter (Standalone) | Removes moisture + particulate | First stage — protects regulator + lubricator + tools |
| Regulator (Standalone) | Reduces line pressure to working pressure | Second stage — gives stable tool pressure 90 PSI typical |
| Lubricator (Standalone) | Adds oil mist to air stream | Third stage — feeds tool downstream |
| Coalescing Filter (Sub-Micron) | Removes very fine moisture + aerosol | Sensitive equipment, pre-dryer, instrument-grade air |
| Auto-Drain Filter | Automatically discharges accumulated water | Unattended workstations, low-maintenance setups |
| Modular FRL System | Snap-together components | Custom workstation builds + easy upgrade |
Critical rules: Filter BEFORE regulator BEFORE lubricator (sequence matters — moisture damages regulator; oil mist clogs filter). NEVER use a lubricator on tools rated "oil-free" (paint guns, food machines, instrument lines). Use ISO VG 10-22 air tool oil — NEVER engine oil (wrong additives). Brands: Champion, SMC, FESTO. Companion: pneumatics, air compressors, pneumatic fittings.
Compressed Air Lubricators
Air line lubricators inject a fine mist of oil into a compressed air stream, lubricating pneumatic tools and actuators as they operate. Many pneumatic components — air motors, air tools, cylinders with metal seals, and pneumatic valves — require lubrication to operate reliably and achieve their rated service life. Without adequate lubrication, internal seals and bearing surfaces wear prematurely, reducing performance and causing early failure. AIMS Industrial supplies air lubricators and FRL units for pneumatic system installation and maintenance.
FRL Units — Filter, Regulator, Lubricator
Air preparation in pneumatic systems is typically handled by an FRL (Filter-Regulator-Lubricator) combination unit installed at the air supply entry point to a machine or tool station. The three stages perform distinct functions: the filter removes moisture and contaminants from the compressed air; the regulator reduces line pressure to the working pressure required by the connected equipment; and the lubricator adds oil mist to the regulated, filtered air. FRL units are available as individual components that can be assembled in series or as pre-assembled combination units. Modular designs allow individual elements to be replaced or swapped without replacing the entire assembly.
Oil Types and Fill Procedure
Air line lubricators use light mineral oil specifically formulated for pneumatic system use — typically ISO VG 32 or VG 46 air tool oil. Do not use standard hydraulic oil or general lubricating oil in air line lubricators; incorrect viscosity affects the atomisation rate and can damage rubber seals in downstream components. The lubricator bowl is filled through a fill port (most units can be filled under pressure without shutting down the air supply) and the oil mist rate is adjusted via a needle valve on the top of the unit.
When Lubrication is Not Required
Some modern pneumatic components use internal seals and bearing materials that are self-lubricating or designed for unlubricated operation. If you add oil mist upstream of these components, it can contaminate the work — particularly in food processing, pharmaceutical, or painting applications. Check the requirements of all downstream components before installing a lubricator; in mixed systems, install lubricators only on branches serving components that require lubrication.
Sizing and Flow Rate
Lubricators are rated by port size and air flow capacity. Undersizing a lubricator creates excessive restriction; oversizing reduces lubrication effectiveness at low flow rates. Match the lubricator port size to the downstream pipe or hose size. For help selecting and sizing air preparation equipment for your application, contact our team.