Airtac GAC F.R.L. Unit GAC600C20SN
The AirTAC Airtac GAC F.R.L. Unit GAC600C20SN 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 40 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 grade40 µm
- Bowl materialMetal
- Drainsemi-auto + manual
- Pressure gaugeNot fitted
- Weight4600 g
About the Airtac GAC F.R.L. Unit GAC600C20SN
Delivering cleaned, regulated and lubricated air for heavy pneumatic lines, this AirTAC GAC600C20SN is a complete three-unit F.R.L. combination. The assembly pairs a 40 um filter, a pressure regulator and a lubricator on a single L-shape bracket, pre-plumbed so there is no inter-unit tubing to leak. It features a 3/4in port, a robust metal bowl, and operates across a 0.15-0.9 MPa (20-130 psi) standard pressure range.
Because no gauge is supplied from the factory, the set pressure cannot be read without adding one to the 1/4in gauge connection. The 4600 g mass and 205 cc condensate bowl place this unit firmly in the largest size class, demanding a solid panel or frame mount rather than tubing support. Air passes through the filter, then the regulator, and finally the lubricator, ensuring oil mist is added downstream so the regulator seat never fouls.
Airtac GAC F.R.L. Unit GAC600C20SN Technical Specifications
| Model | Airtac GAC F.R.L. Unit GAC600C20SN |
|---|---|
| Series | GAC600 F.R.L. combination |
| Port size | 3/4" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| Bowl material | Metal |
| Drain type | Semi-auto drain + manual 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 | 205 cc |
| Capacity of oil bowl | 410 cc |
| Recommended lubricant | ISO VG 32 or equivalent |
| Weight | 4600 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 GAC600 is 1/4" if you add one.
Model Code: Airtac GAC F.R.L. Unit GAC600C20SN
| GAC600 | GA600 series F.R.L. unit — sets ports, bowl capacity and weight. |
|---|---|
| C | Bowl material: Metal. Available on this body: Metal (C) only. |
| 20 | Port size 3/4". This body offers 20 = 3/4", 25 = 1". |
| (blank) | Drain: Semi-auto drain + manual drain. |
| S | Standard type — 0.15 - 0.9 MPa (20 - 130 psi). This body offers Standard (S) only. |
| N | No pressure gauge; 1/4" gauge connection. |
| (blank) | Filtering grade 40 µm. |
| (blank) | PT thread; gauge scale MPa / psi. |
| (blank) | No reverse-flow valve. |
Constituent units, orderable separately as spares: GAF600-20 filter, GAR600-20 regulator, GAL600-20 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 | GAC600 · 3/4" · curve to 12000 L/min |
|---|---|
| One size down | GAC500 |
| Build order | Filter → bracket → regulator → lubricator |
Where the Airtac GAC F.R.L. Unit GAC600C20SN Is Used
Automotive Assembly Lines
Feeds large multi-station machine headers where a 3/4in port and high flow capacity are required to keep heavy pneumatic presses cycling without pressure drop.
Palletizing Cells
Conditions air for heavy-duty robotic arms and large-bore actuators, with the 410 cc oil bowl ensuring long intervals between lubricator refills during continuous shifts.
Plastic Injection Molding
Supplies cleaned and regulated air to large mold clamping cylinders, using the metal bowl to withstand the demanding industrial environment of a molding floor.
Is the Airtac GAC F.R.L. Unit GAC600C20SN the Right Air-Prep Unit?
Choose this 3/4in model for high-demand machine headers, stepping up from the GAC500 which offers a 7000 L/min plotted flow envelope at 0.7 MPa inlet. The GAC600 pushes that envelope to 12000 L/min at the same inlet pressure, accommodating larger flow duties. The metal bowl is standard for this body, while the semi-auto and manual drains are both fitted to clear condensate. If the downstream line must stay oil-free, omit the lubricator and choose a separate filter-regulator instead. For maintenance, the assembly uses GAF600-20, GAR600-20 and GAL600-20 spares. The 1.5 MPa proof pressure provides a 1.5x burst-test margin over the 1.0 MPa maximum, but this is 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: Metal (C) only
- ✓ 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 205 cc bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Support the 4600 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 GAC600C20SN FAQ
This standard type unit regulates from 0.15-0.9 MPa (20-130 psi) with a max pressure of 1.0 MPa (145 psi) and a 1.5 MPa (215 psi) proof pressure. It operates from -5 to 70 C, weighs 4600 g, and pairs a 205 cc drain bowl with a 410 cc oil bowl. The recommended lubricant is ISO VG 32.
No, the N in the ordering code means no gauge is supplied. To monitor the set pressure, you must install a separate gauge into the 1/4in gauge connection on the regulator body.
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