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AirTAC GAF300 · Air Filter (Water & Particulate Filter)

Airtac GAF Filter GAF30015AJW

The AirTAC Airtac GAF Filter GAF30015AJW is a genuine compressed-air filter. Its diversion structure spins the air to separate liquid water and trap solid particles down to 5 µm, protecting downstream valves and tools. It has 1/2" ports and a 60 cc drain bowl. It is a filter only — it does not regulate or set pressure.

  • TypeAir filter
  • Port size1/2"
  • Filtering grade5 µm
  • Pressure range0.15 - 0.9 MPa
  • Bowl materialPC
  • Drainautomatic
  • Drain bowl60 cc
  • Weight360 g
$34.05 $40.03Save 14% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac GAF Filter GAF30015AJW

The GAF30015AJW is a filter-only unit that spins incoming air to throw liquid water and solid particles into its 60 cc drain bowl, while the 5 um HDPE element traps fine grain. It has no regulator, no gauge, and no lubricator - it cleans the air but does not control pressure.

This model uses a 1/2in port and weighs 360 g, placing it in the mid-size GAF300 class. The automatic drain clears condensate without manual attention, and the 5 um element suits precision valves or instrument air where finer filtration matters.

Airtac GAF Filter GAF30015AJW Technical Specifications

ModelAirtac GAF Filter GAF30015AJW
SeriesGAF300 air filter
Port size1/2" (PT thread)
Filtering grade5 µm
Pressure range0.15 - 0.9 MPa (20 - 130 psi)
Bowl materialPC
Drain typeAutomatic drain
BracketNot included (J)
FluidAir
Proof pressure1.5 MPa (215 psi)
Temperature range-5 to +70 °C (unfreeze)
Capacity of drain bowl60 cc
ElementHDPE filter core
Weight360 g

Specifications follow the official AirTAC GAF catalogue (pages 225-226). Air must not freeze in the unit. This is a filter only — it separates water and solid particles but does not set or hold a downstream pressure. To regulate pressure as well, use the matching GAFR300 filter-regulator.

Model Code: Airtac GAF Filter GAF30015AJW

GAF300GA300 series air filter — sets the port range, drain-bowl capacity and weight.
(blank)Bowl material: PC. Available on this body: PC (blank), Metal (C), Nylon (N).
15Port size 1/2". This body offers 08 = 1/4", 10 = 3/8", 15 = 1/2".
ADrain: Automatic drain.
JNo bracket (J) — supplied without the mounting bracket.
WFiltering grade 5 µm.
(blank)PT port thread.

A GAF has no regulator and no pressure gauge — there is no type, gauge or reflux code. Need to regulate pressure too? The matching GAFR300-15 is the same filter with a built-in regulator.

Size Class & Flow Envelope

  • GAF2001/8"-1/4" · 3000 L/min
  • GAF3001/4"-1/2" · 6000 L/min
  • GAF4003/8"-1/2" · 8000 L/min
  • GAF5003/4" · 9000 L/min
  • GAF6003/4"-1" · 12000 L/min

Figures are the end of the flow curve plotted in the AirTAC catalogue — a sizing envelope for comparing bodies, not a rated flow. Read the catalogue curve for a real duty point. A filter this size drops less pressure at flow than the same-body GAFR filter-regulator, so match it to your peak demand.

This modelGAF300 · 1/2" · curve to 6000 L/min
One size downGAF200
One size upGAF400 (curve to 8000 L/min)
Add regulationGAFR300-15 (filter + regulator)

Where the Airtac GAF Filter GAF30015AJW Is Used

precision_manufacturing

Precision valve protection

Feed a bank of precision solenoid valves on a pick-and-place machine with 5 um filtered air, keeping fine grain out of tight spool clearances.

engineering

Instrument air pre-filter

Protect sensitive pneumatic instruments or gauges downstream by removing water and 5 um particles before they reach calibration-critical components.

factory

Medium line header

Mount on a 1/2in header feeding several cylinders on an assembly station, with the automatic drain handling condensate without operator rounds.

Is the Airtac GAF Filter GAF30015AJW the Right Filter?

Choose the GAF300 body for 1/4in to 1/2in ports; step up to the GAF400 (100 cc bowl, 8000 L/min curve) for higher flow, or down to the GAF200 (25 cc bowl, 3000 L/min curve) for compact lines. The PC bowl suits general duty, while the automatic drain handles wet or unattended lines without manual checks. This model omits the bracket (J) for panel mounting, uses a 5 um element for finer filtration, and has PT port threads. If you need a set pressure, use the matching GAFR300-15 filter-regulator instead. The 60 cc bowl holds about 2.4x the condensate of the GAF200's 25 cc bowl, meaning fewer drain interventions.

Quick checklist

  • ✓ Body size for your peak flow (1/2" here)
  • ✓ Element 40 µm (general) or 5 µm (fine)
  • ✓ Bowl material: PC (blank), Metal (C), Nylon (N)
  • ✓ Drain: semi-auto + manual, or automatic
  • ✓ Bracket kept or removed (J)
  • ✓ Need pressure control too? Use GAFR300
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Installation & Maintenance Notes

  • check Install with the airflow arrow: IN to OUT, bowl accessible.
  • check Place the filter FIRST in the air-prep train, ahead of any regulator or lubricator.
  • check Keep pressure at or below the 1.5 MPa (215 psi) proof limit.
  • check Drain condensate before the 60 cc bowl fills.
  • check Keep the unit above freezing (-5 to +70 °C, unfreeze).
  • check Support the 360 g unit on its bracket, not on the tubing.

This is a filter only — it removes water and solid particles but adds no pressure control and no lubrication. Add a GAR regulator, a GAL lubricator, or step up to the GAFR300-15 filter-regulator as your air-prep needs grow.

Airtac GAF Filter GAF30015AJW FAQ

It is a filter-only unit with a 5 um HDPE element, rated for 0.15-0.9 MPa (20-130 psi) working pressure and 1.5 MPa (215 psi) proof pressure. Temperature range is -5 to 70 C. The drain bowl holds 60 cc and the unit weighs 360 g, with a flow curve plotted to 6000 L/min.

The A indicates an automatic drain that expels condensate automatically, ideal for wet lines or unattended operation. This model also has no bracket (J) and a 5 um element (W), with PT port threads.

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