Airtac GAF Filter GAF400C15
The AirTAC Airtac GAF Filter GAF400C15 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
- Drainsemi-auto + manual
- 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 GAF400C15
The GAF400C15 is a filter-only unit that spins incoming air to throw liquid water and solid particles into its 100 cc metal bowl, while the 40 um HDPE element traps fine grain. It cleans the air for downstream components; it does not regulate pressure and carries no gauge.
This 1/2in-port model weighs 640 g and suits a machine sub-header or a bank of valves. The metal bowl is a build choice for demanding environments, though AirTAC prints no chemical or temperature data for it, so confirm compatibility with aggressive media before fitting.
Airtac GAF Filter GAF400C15 Technical Specifications
| Model | Airtac GAF Filter GAF400C15 |
|---|---|
| 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 | Semi-auto drain + manual 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 GAF400C15
| 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". |
| (blank) | Drain: Semi-auto drain + manual 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 GAF400C15 Is Used
Machine tool sub-header
Feed a 1/2in line serving a small machining center's solenoid bank and cylinder circuit, keeping water and scale out of precision valves.
Assembly station air prep
Protect a multi-fixture assembly bench where several operators draw air from one drop, with the 100 cc bowl cutting drain frequency.
Paint booth pilot lines
Clean the air feeding pilot valves on a spray booth's ventilation dampers, where solid debris would jam small orifices.
Is the Airtac GAF Filter GAF400C15 the Right Filter?
Choose the GAF400 body when a 1/2in port and 100 cc drain bowl match your flow needs; step down to a GAF300 (60 cc bowl, 6000 L/min curve) for lighter lines or up to a GAF500 (108 cc bowl, 9000 L/min curve) for a 3/4in feed. The metal bowl here suits rough service, while the semi-auto and manual drains let you empty condensate on a schedule or by hand. The included bracket simplifies panel mounting, and the PT thread matches common local fittings. If the line also needs a set pressure, use the matching GAFR400-15 filter-regulator instead. The 1.5 MPa proof pressure is about 1.67x the 0.9 MPa top of the working range, a burst-test margin rather than a license to exceed the rated limit.
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 GAF400C15 FAQ
The GAF400C15 is a 1/2in-port air filter with a 40 um HDPE element, a 100 cc metal drain bowl, and a 640 g weight. Working pressure is 0.15-0.9 MPa (20-130 psi) with a 1.5 MPa (215 psi) proof pressure. Temperature range is -5 to 70 C. It has semi-auto and manual drains, an included bracket, and PT threads.
The GAF400C15 is a filter only, so it removes water and solids but does not control pressure. The GAFR400-15 combines the same filter with a built-in regulator, letting you set a downstream pressure. If you need pressure control, choose the GAFR or add a separate GAR regulator.
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1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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