
The AirTAC Airtac GAC F.R.L. Unit GAC500N20ASWK 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).
Delivering cleaned, regulated and lubricated air for demanding pneumatics, this AirTAC GAC500N20ASWK F.R.L. combination integrates a filter, regulator and lubricator on a single L-shape bracket. The 3/4in port handles high flow requirements, while the 5 um element captures fine particulates before they reach sensitive valves. A circular gauge is fitted, reading MPa/psi for the default PT thread.
The nylon bowl construction houses an automatic drain that clears 108 cc of condensate without an operator, complementing the 225 cc oil reservoir to minimize maintenance interventions. A reverse-flow (reflux) valve is fitted, which the catalogue shows as a separate pneumatic symbol. The unit regulates between 0.15-0.9 MPa (20-130 psi) and the build order ensures oil mist is added downstream of the regulator seat.
| Model | Airtac GAC F.R.L. Unit GAC500N20ASWK |
|---|---|
| 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. The fitted circular gauge reads in MPa / psi, set by the PT thread code.
| 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). |
| (blank) | Circular pressure gauge fitted. |
| 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.
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 |
Feeds multiple pneumatic wrenches and actuators along a vehicle production conveyor, relying on the 3/4in port to sustain high air volume without pressure drops.
Conditions air for heavy-duty end effectors that grip and stack boxes, where the 5 um element protects precision gripper jaws from abrasive dust.
Supplies lubricated air to large pneumatic clutches and cylinders, utilizing the automatic drain to handle moisture generated during high-cycle stamping.
Choose this 2460 g assembly when a machine header demands a robust supply, stepping up from the GAC400 which offers a 6000 L/min plotted envelope at 0.7 MPa inlet versus this body's 7000 L/min. The 5 um element trades a slightly shorter service life for precision protection, and the automatic drain is decisive for unattended or wet lines. Because the lubricator introduces oil mist downstream, select a filter-regulator instead if the process requires strictly dry air. Replacement spares share the 500-20 suffix: GAF500-20, GAR500-20 and GAL500-20. Stepping from the GAC400 to this GAC500 increases the plotted flow envelope by roughly 1.2x.
Quick checklist
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.
The standard type 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). Temperature range is -5 to 70 C. It features a 108 cc drain bowl, a 225 cc oil bowl, and weighs 2460 g. The recommended lubricant is ISO VG 32.
The K indicates that a reverse-flow (reflux) valve is attached to the unit. The catalogue details this component as a separate pneumatic symbol on its own page, representing an ordering difference for specific circuit requirements.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity, thread type (PT / G / NPT) and destination. We confirm price, stock and lead time — usually within 7-8 hours.