Airtac GAC F.R.L. Unit GAC500N20ASNWK
The AirTAC Airtac GAC F.R.L. Unit GAC500N20ASNWK is a genuine three-unit F.R.L. combination — a filter, a pressure regulator and a lubricator pre-assembled on one bracket with quick mounting clamps. It has 3/4" ports, a 5 µm filter element and regulates 0.15 - 0.9 MPa (20 - 130 psi).
- TypeF.R.L. combination
- Port size3/4"
- Pressure range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade5 µm
- Bowl materialNylon
- Drainautomatic
- Pressure gaugeNot fitted
- Weight2460 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 GAC F.R.L. Unit GAC500N20ASNWK
Delivering cleaned, regulated and lubricated air for demanding pneumatic lines, this AirTAC unit combines a filter, regulator and lubricator on a single L-shape bracket with quick mounting clamps. It features a 3/4in port, a 5 um element and a standard pressure range of 0.15-0.9 MPa (20-130 psi). Because the lubricator sits last in the sequence, oil mist is introduced downstream of the regulator seat, preventing fouling. The nylon bowl is paired with an automatic drain that clears condensate without an operator, which is decisive for unattended or wet lines.
No pressure gauge is supplied, but the body features a 1/4in gauge connection if you need to add one later to read the set pressure. Weighing 2460 g, this assembly requires a proper panel or frame mount rather than support from the tubing. The reverse-flow (reflux) valve is fitted, which the catalogue shows as a separate pneumatic symbol with details on its own page. If the downstream line must stay oil-free, omit the lubricator and choose a filter-regulator instead.
Airtac GAC F.R.L. Unit GAC500N20ASNWK Technical Specifications
| Model | Airtac GAC F.R.L. Unit GAC500N20ASNWK |
|---|---|
| Series | GAC500 F.R.L. combination |
| Port size | 3/4" (PT thread) |
| Filtering grade | 5 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| Bowl material | Nylon |
| Drain type | Automatic drain |
| Fluid | Air |
|---|---|
| Max. pressure | 1.0 MPa (145 psi) |
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Capacity of drain bowl | 108 cc |
| Capacity of oil bowl | 225 cc |
| Recommended lubricant | ISO VG 32 or equivalent |
| Weight | 2460 g |
Specifications follow the official AirTAC GAC catalogue (pages 216-217). Air must not freeze in the unit. No gauge is supplied with this model — the gauge connection on a GAC500 is 1/4" if you add one.
Model Code: Airtac GAC F.R.L. Unit GAC500N20ASNWK
| GAC500 | GA500 series F.R.L. unit — sets ports, bowl capacity and weight. |
|---|---|
| N | Bowl material: Nylon. 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. |
| S | Standard type — 0.15 - 0.9 MPa (20 - 130 psi). This body offers Standard (S) or Lower pressure (L). |
| N | No pressure gauge; 1/4" gauge connection. |
| W | Filtering grade 5 µm. |
| (blank) | PT thread; gauge scale MPa / psi. |
| K | Reverse-flow (reflux) valve attached. |
Constituent units, orderable separately as spares: GAF500-20 filter, GAR500-20 regulator, GAL500-20 lubricator — all three share this body and port.
Size Class & Flow Envelope
- GAC2001/8"-1/4" · 1750 L/min
- GAC3001/4"-1/2" · 3000 L/min
- GAC4003/8"-1/2" · 6000 L/min
- GAC5003/4" · 7000 L/min
- GAC6003/4"-1" · 12000 L/min
Figures are the end of the flow curve plotted in the AirTAC catalogue at 0.7 MPa inlet pressure — a sizing envelope for comparing bodies, not a rated flow. Read the catalogue curve for a real duty point. Outlet pressure falls as flow rises, so size a body with headroom above your peak demand.
| This model | GAC500 · 3/4" · curve to 7000 L/min |
|---|---|
| One size down | GAC400 |
| One size up | GAC600 (curve to 12000 L/min) |
| Build order | Filter → bracket → regulator → lubricator |
Where the Airtac GAC F.R.L. Unit GAC500N20ASNWK Is Used
Automotive Assembly Line
Feeds a multi-station machine header where a steady 3/4in air supply is required to power heavy-duty pneumatic presses and clamps.
Palletizing Robot
Conditions air for large end-of-arm tooling, ensuring the 5 um element protects sensitive gripper valves from fine particulate ingress.
Bottling Plant Conveyor
Supplies lubricated air to long belt drive systems, with the automatic drain handling condensate in a high-throughput, wet environment.
Is the Airtac GAC F.R.L. Unit GAC500N20ASNWK the Right Air-Prep Unit?
This model uses a 5 um element for precision valves or instrument air, trapping far finer particles than the standard 40 um option at the cost of more frequent element service. The PT thread sets the gauge scale to MPa/psi for operators who add a gauge to the 1/4in connection. A clogged element or damaged bowl does not mean replacing the whole assembly, as the three units are separately orderable using the GAF500-20, GAR500-20 and GAL500-20 spares. The 108 cc condensate bowl and 225 cc oil bowl drive the service interval, holding roughly 1.8x the condensate of the GAC400's 100 cc bowl. The catalogue flow curve for the GAC500 is plotted to 7000 L/min at 0.7 MPa inlet, which is about 1.2x the GAC400's 6000 L/min envelope. The proof pressure of 1.5 MPa (215 psi) against the 1.0 MPa (145 psi) maximum provides a 1.5x burst-test margin, not permission to run above 1.0 MPa.
Quick checklist
- ✓ Body size for your peak flow (3/4" here)
- ✓ Standard 0.9 MPa or lower-pressure 0.4 MPa
- ✓ Bowl material: PC (blank), Metal (C), Nylon (N)
- ✓ Drain: semi-auto + manual, or automatic
- ✓ Element 40 µm or 5 µm
- ✓ Thread & gauge scale (PT / G / NPT)
Installation & Maintenance Notes
- check Install with the airflow arrow: filter first, lubricator last.
- check Keep inlet pressure at or below 1.0 MPa (145 psi).
- check Fill the oil bowl with ISO VG 32 or equivalent only.
- check Drain condensate before the 108 cc bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Support the 2460 g unit on its bracket, not on the tubing.
The lubricator adds an oil mist downstream of the regulator. If any part of the line must stay oil-free, use a filter-regulator instead of an F.R.L. combination on that branch.
Airtac GAC F.R.L. Unit GAC500N20ASNWK FAQ
This standard type unit operates at 0.15-0.9 MPa (20-130 psi) with a max pressure of 1.0 MPa (145 psi) and a proof pressure of 1.5 MPa (215 psi). It has a 3/4in port, a 5 um element, a 108 cc drain bowl, a 225 cc oil bowl, and weighs 2460 g. The temperature range is -5 to 70 C, and the recommended lubricant is ISO VG 32.
The N in the ordering code indicates no gauge is supplied. The body has a 1/4in gauge connection, so you can install your own circular gauge to read the set pressure. The default PT thread means an added gauge should read in MPa/psi.
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Standard models are processed and dispatched in 3-5 business days.
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