Airtac GAF Filter GAF500C20A
The AirTAC Airtac GAF Filter GAF500C20A 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 3/4" ports and a 108 cc drain bowl. It is a filter only — it does not regulate or set pressure.
- TypeAir filter
- Port size3/4"
- Filtering grade40 µm
- Pressure range0.15 - 0.9 MPa
- Bowl materialMetal
- Drainautomatic
- Drain bowl108 cc
- Weight680 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 GAF500C20A
The GAF500C20A is a filter-only unit that spins incoming air to throw liquid water and solid particles into its 108 cc metal drain bowl, while the 40 um HDPE core traps fine grain. It does not regulate pressure and carries no gauge, so it simply cleans the air for downstream components.
This 3/4" model weighs 680 g and sits in the GAF500 size class, above the GAF400 and below the GAF600. Its automatic drain suits unattended lines, and the metal bowl is a build choice for environments where you need to confirm compatibility with aggressive surroundings.
Airtac GAF Filter GAF500C20A Technical Specifications
| Model | Airtac GAF Filter GAF500C20A |
|---|---|
| Series | GAF500 air filter |
| Port size | 3/4" (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 | 108 cc |
| Element | HDPE filter core |
| Weight | 680 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 GAFR500 filter-regulator.
Model Code: Airtac GAF Filter GAF500C20A
| GAF500 | GA500 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). |
| 20 | Port size 3/4". This body offers 20 = 3/4". |
| 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 GAFR500-20 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 | GAF500 · 3/4" · curve to 9000 L/min |
|---|---|
| One size down | GAF400 |
| One size up | GAF600 (curve to 12000 L/min) |
| Add regulation | GAFR500-20 (filter + regulator) |
Where the Airtac GAF Filter GAF500C20A Is Used
Machine tool header
Feed a 3/4" header supplying multiple pneumatic cylinders on a machining center, protecting valves from water and scale.
Conveyor line protection
Guard a bank of air cylinders on a packaging conveyor where the automatic drain prevents bowl overflow during long shifts.
Paint booth air prep
Clean compressed air before it reaches spray equipment, removing water droplets that could ruin a finish.
Is the Airtac GAF Filter GAF500C20A the Right Filter?
Choose the GAF500 when a 3/4" port must feed a machine header or a multi-station line with moderate flow demand. The metal bowl is the only option for this body, the automatic drain handles wet or unattended lines, and the included bracket lets you mount it securely. The 40 um element is the general-purpose default, while the PT thread matches common local fittings. If the line also needs a set pressure, step up to the GAFR500-20 filter-regulator instead. With a 108 cc drain bowl, this unit holds about 1.7x the condensate of the GAF400's 100 cc bowl, so you drain it less often.
Quick checklist
- ✓ Body size for your peak flow (3/4" 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 GAFR500
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 108 cc bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Support the 680 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 GAFR500-20 filter-regulator as your air-prep needs grow.
Airtac GAF Filter GAF500C20A FAQ
It is a filter only, with a 40 um HDPE element, 3/4" PT ports, and a working pressure range of 0.15-0.9 MPa (20-130 psi). Proof pressure is 1.5 MPa (215 psi), temperature range is -5 to 70 C, the metal drain bowl holds 108 cc, and the unit weighs 680 g.
The A code means an automatic drain that expels condensate without manual intervention, ideal for wet or unattended air lines. This model has it, so you do not need to open a manual valve to empty the 108 cc bowl.
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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