Airtac GAF Filter GAF400C15A
The AirTAC Airtac GAF Filter GAF400C15A is a genuine compressed-air filter. Its diversion structure spins the air to separate liquid water and trap solid particles down to 40 µm, protecting downstream valves and tools. It has 1/2" ports and a 100 cc drain bowl. It is a filter only — it does not regulate or set pressure.
- TypeAir filter
- Port size1/2"
- Filtering grade40 µm
- Pressure range0.15 - 0.9 MPa
- Bowl materialMetal
- Drainautomatic
- Drain bowl100 cc
- Weight640 g
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac GAF Filter GAF400C15A
The GAF400C15A is a filter-only unit that spins incoming air to throw liquid water and solid particles into its 100 cc metal bowl, then traps fine grain with a 40 um HDPE core. It has no regulator, no gauge and no lubricator - it cleans the air, it does not control pressure.
This 1/2in model weighs 640 g and protects downstream valves and cylinders from water and dirt. The metal bowl suits demanding environments, while the automatic drain clears condensate without manual attention.
Airtac GAF Filter GAF400C15A Technical Specifications
| Model | Airtac GAF Filter GAF400C15A |
|---|---|
| Series | GAF400 air filter |
| Port size | 1/2" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Bowl material | Metal |
| Drain type | Automatic drain |
| Bracket | Included |
| Fluid | Air |
|---|---|
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Capacity of drain bowl | 100 cc |
| Element | HDPE filter core |
| Weight | 640 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 GAFR400 filter-regulator.
Model Code: Airtac GAF Filter GAF400C15A
| GAF400 | GA400 series air filter — sets the port range, drain-bowl capacity and weight. |
|---|---|
| C | Bowl material: Metal. Available on this body: PC (blank), Metal (C), Nylon (N). |
| 15 | Port size 1/2". This body offers 10 = 3/8", 15 = 1/2". |
| A | Drain: Automatic drain. |
| (blank) | Mounting bracket included. |
| (blank) | Filtering grade 40 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 GAFR400-15 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 model | GAF400 · 1/2" · curve to 8000 L/min |
|---|---|
| One size down | GAF300 |
| One size up | GAF500 (curve to 9000 L/min) |
| Add regulation | GAFR400-15 (filter + regulator) |
Where the Airtac GAF Filter GAF400C15A Is Used
Machine tool protection
Feed a 1/2in line to a CNC coolant valve or precision machining center, keeping water and scale from scoring spool surfaces.
Assembly station air
Supply clean air to multiple pneumatic screwdrivers or presses on a mid-size assembly bench, with the automatic drain reducing maintenance rounds.
Test rig supply
Protect flow meters and pressure sensors on a prototype test bench where repeatable readings depend on dry, clean air.
Is the Airtac GAF Filter GAF400C15A the Right Filter?
Choose the GAF400 body when you need 3/8in or 1/2in ports and a 100 cc drain bowl - it sits between the GAF300 (60 cc, 6000 L/min curve) and GAF500 (108 cc, 9000 L/min curve). The metal bowl is a build choice for tougher surroundings; confirm compatibility for aggressive media. The automatic drain handles wet or unattended lines, while the included bracket simplifies mounting. The 40 um element covers general use; select W for 5 um filtration. PT thread is standard for this unit. If you also need pressure control, use the matching GAFR400-15 filter-regulator instead. The proof pressure of 1.5 MPa gives about a 1.67x margin over the 0.9 MPa working maximum.
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 GAFR400
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 100 cc bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Support the 640 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 GAFR400-15 filter-regulator as your air-prep needs grow.
Airtac GAF Filter GAF400C15A FAQ
Filtering grade is 40 um. Working pressure range is 0.15-0.9 MPa (20-130 psi). Proof pressure is 1.5 MPa (215 psi). Temperature range is -5 to 70 C. Drain bowl capacity is 100 cc. Unit weight is 640 g. Port is 1/2in PT thread.
The A code means an automatic drain that expels condensate without manual intervention, ideal for wet or unattended lines. This model has a metal bowl and includes the mounting bracket. It is a filter only - it does not regulate pressure.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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