Airtac GAF Filter GAF500C20J
The AirTAC Airtac GAF Filter GAF500C20J 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
- Drainsemi-auto + manual
- 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 GAF500C20J
The GAF500C20J is a filter-only unit that spins incoming air to throw liquid water and solid particles into its 108 cc metal bowl, while the HDPE element traps fine grain. It protects downstream valves and cylinders from contamination without regulating pressure.
This model uses a 3/4in port, a 40 um element, and a metal bowl with both semi-auto and manual drains. Weighing 680 g, it belongs to the GAF500 size class and ships without a mounting bracket for panel-mount installations.
Airtac GAF Filter GAF500C20J Technical Specifications
| Model | Airtac GAF Filter GAF500C20J |
|---|---|
| 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 | Semi-auto drain + manual drain |
| Bracket | Not included (J) |
| 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 GAF500C20J
| 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". |
| (blank) | Drain: Semi-auto drain + manual drain. |
| J | No bracket (J) — supplied without the mounting bracket. |
| (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 GAF500C20J Is Used
Machine Tool Header
Feed a 3/4in header supplying multiple machining centers, removing water and scale before it reaches precision spindles and tool changers.
Conveyor System Air
Protect pneumatic actuators on long conveyor lines where 3/4in distribution is common and consistent air quality prevents jams.
Assembly Line Banks
Supply a bank of air tools and fixtures on an assembly line, with the metal bowl standing up to the vibration of nearby stamping equipment.
Is the Airtac GAF Filter GAF500C20J the Right Filter?
Choose the GAF500 for 3/4in lines needing robust filtration at higher flow rates, stepping up from the GAF400's 8000 L/min envelope to 9000 L/min. The metal bowl suits demanding environments, while the included semi-auto and manual drains give you both automatic condensate release and manual override. Since this unit has no bracket (J), plan for panel mounting or use an existing support structure. The 40 um element handles general workshop air, and the PT thread matches standard pipe fittings. For lines requiring pressure control, pair this with a GAR regulator or step up to the GAFR500-20 filter-regulator. The 108 cc bowl holds roughly 1.8x the condensate of the GAF400's 100 cc bowl, meaning fewer drain interventions between services.
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 GAF500C20J FAQ
This filter uses a 40 um HDPE element, operates from 0.15-0.9 MPa (20-130 psi), with a proof pressure of 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 J code means no mounting bracket is included. This suits installations where the filter mounts to an existing panel, frame, or machine structure rather than being supported by the air line itself.
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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