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AirTAC GL300 · Air Lubricator (oil-mist lubrication)

AirTAC GL300-15 Lubricator (GL30015)

The AirTAC AirTAC GL300-15 Lubricator (GL30015) is a genuine G-series air lubricator. It meters an oil mist into the compressed-air line so cylinders, valves and air tools downstream stay lubricated, with PT1/2" ports and a pc oil bowl. A lubricator does not filter or regulate — it goes last in the line, after the filter and the regulator.

  • TypeAir lubricator
  • Port sizePT1/2"
  • Inlet pressure0.05 - 1.0 MPa
  • Oil bowlPC
  • ThreadPT
  • BracketMounting bracket included
$28.65 $33.05Save 13% Standard model — ready in 3-5 business days to process and dispatch
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About the AirTAC GL300-15 Lubricator (GL30015)

The GL30015 is an AirTAC G-series air lubricator. Its one job is oil-mist lubrication: it adds a controlled mist of oil to a compressed-air line so downstream cylinders, valves and air tools keep working lubricated. It does no filtering and no pressure regulation. This 300-size unit has PT 1/2 in ports (PT is the standard thread; G and NPT versions are order options), a transparent PC bowl for at-a-glance oil level checks, and a mounting bracket as standard. Maximum working pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C, non-freezing.

This is a genuine AirTAC part. G-series lubricators are available in 200, 300, 400 and 600 sizes, with or without a mounting bracket (J) and with PT, G or NPT threads, so the unit can be matched to the line it feeds. AirTAC publishes flow for this series as curves rather than a single rating; ask us and we will confirm the datasheet and sizing for your application on request.

AirTAC GL300-15 Lubricator (GL30015) Technical Specifications

ModelAirTAC GL300-15 Lubricator (GL30015)
SeriesGL300 air lubricator
Port sizePT1/2" (PT thread)
Oil bowl materialPC
BracketMounting bracket included
FluidCompressed air
Inlet pressure0.05 - 1.0 MPa (7 - 145 psi)
Max. working pressure1.0 MPa (145 psi)
Temperature range-5 to +70 °C (unfreeze)
FunctionOil-mist lubrication only

Specifications follow the official AirTAC G-series air-preparation data. A lubricator has no drain, no regulating mechanism, no gauge and no filter element, so none of those figures apply. Oil grade, bowl capacity, flow curves, weight and outline dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.

Model Code: AirTAC GL300-15 Lubricator (GL30015)

GL300G-series air lubricator, 300 body — sets the port range.
15Port size PT1/2". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2".
(blank)Mounting bracket included. A bracket ships by default; J orders it without.
(blank)PT thread. PT is the default; G is BSPP and T is NPT.

The lubricator has the shortest code of the six G-series subfamilies — size, port, bracket, thread. There is no drain, pressure-type, gauge or filtering-grade position. Example: GL300-10JG is a 300 body, PT3/8", no bracket, G (BSPP) thread.

Size Class

  • GL200PT1/8" - PT1/4"
  • GL300PT1/4" - PT1/2"
  • GL400PT3/8" - PT1/2"
  • GL600PT3/4" - PT1"

A larger body carries a larger port and passes more air. AirTAC publishes flow only as curves, so size the body from your peak demand with headroom. The GL600 uses an aluminium-alloy oil bowl; the 200, 300 and 400 bodies use PC.

This modelGL300 · PT1/2"
One size downGL200
One size upGL400
Line orderFilter first, then regulator, lubricator last

Where the AirTAC GL300-15 Lubricator (GL30015) Is Used

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Pneumatic impact wrench stations

Feeds oil mist to impact wrenches and nut runners on an automotive assembly line, so the tools keep receiving lubricated air through the 1/2 in supply line.

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Air-motor conveyor drives

Lubricates the vane air motors that drive belt conveyors in packaging and bottling plants, protecting them through continuous shifts.

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Clamp and press circuits

Sits in the 1/2 in supply to pneumatic clamps and press cylinders on production fixtures, keeping seals and moving parts lubricated.

Is the AirTAC GL300-15 Lubricator (GL30015) the Right Lubricator?

Pick the size by the line it feeds: 200, 300, 400 and 600 step up in port and flow capacity, and this 300 size runs PT 1/2 in ports. Choose the thread - PT as standard, or order G (BSPP) or T (NPT) if your pipework needs it. A code without J includes the mounting bracket; add J to omit it. Flow for this series is published as curves, not as a single rating, so ask us to confirm sizing against your actual air demand before ordering.

Quick checklist

  • ✓ Body size for your peak flow (PT1/2" here)
  • ✓ Downstream equipment actually needs oil
  • ✓ Thread PT, G (BSPP) or NPT
  • ✓ Bracket needed, or order with J
  • ✓ Bowl material: PC, or aluminium on GL600
  • ✓ Fit after the filter and regulator
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Installation & Maintenance Notes

  • check Fit last in the line: filter, then regulator, then lubricator.
  • check Mount vertically, bowl down, following the airflow arrow.
  • check Keep inlet pressure within 0.05 - 1.0 MPa.
  • check Use only oil approved for pneumatic lubricators.
  • check Keep the unit above freezing (-5 to +70 °C, unfreeze).
  • check Check the oil level regularly; top up before it runs dry.

The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. The oil mist travels downstream, so if any branch of the line must stay oil-free, take that branch off before the lubricator. We will confirm the recommended oil grade from the factory datasheet on request.

AirTAC GL300-15 Lubricator (GL30015) FAQ

AirTAC publishes G-series flow as performance curves, not as one rated figure, so we do not state a number here. Tell us your line pressure, port size and downstream demand and we will confirm the curve and the sizing from the datasheet on request.

A GL adds oil mist only - no filter, no regulator. Choose it when the air is already filtered and regulated upstream and only lubrication is missing. If you need all three functions, the GC three-unit F.R.L. set combines a separate filter, regulator and lubricator.

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Request a Quote for AirTAC GL300-15 Lubricator (GL30015)

Send us the quantity, thread type (PT / G / NPT) and destination. We confirm price, availability and lead time — usually within 7-8 hours.

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