Airtac GAC F.R.L. Unit GAC500N20SN
The AirTAC Airtac GAC F.R.L. Unit GAC500N20SN 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 materialNylon
- Drainsemi-auto + manual
- Pressure gaugeNot fitted
- Weight2460 g
About the Airtac GAC F.R.L. Unit GAC500N20SN
Delivering cleaned, regulated and lubricated air for demanding pneumatic setups, this AirTAC GAC500N20SN F.R.L. combination integrates a filter, regulator and lubricator on a single L-shape bracket. The 3/4in port serves mid-to-high volume circuits, while the standard type provides a 0.15-0.9 MPa (20-130 psi) operating range. A 40 um element captures solid particulates before the air reaches the regulator. Because the lubricator sits last in the sequence, oil mist is introduced downstream of the pressure seat, preventing fouling of internal components.
Weighing 2460 g, this unit relies on a solid panel or frame mount rather than tubing support. The nylon bowl equips this assembly for environments where polycarbonate might be unsuitable, though the -5 to 70 C temperature floor rules out freezer applications. Since the N follows the port code, no pressure gauge is supplied; operators can add one via the 1/4in gauge connection. Condensate is managed by a semi-auto and manual drain pair, emptying the 108 cc bowl on pressure drops or demand.
Airtac GAC F.R.L. Unit GAC500N20SN Technical Specifications
| Model | Airtac GAC F.R.L. Unit GAC500N20SN |
|---|---|
| Series | GAC500 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 | Nylon |
| 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 | 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 GAC500N20SN
| 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". |
| (blank) | Drain: Semi-auto drain + manual 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. |
| (blank) | Filtering grade 40 µm. |
| (blank) | PT thread; gauge scale MPa / psi. |
| (blank) | No reverse-flow valve. |
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 GAC500N20SN Is Used
Automotive Assembly Lines
Feeds multiple pneumatic torque wrenches and actuators simultaneously, relying on the 3/4in port to sustain volume across a long production cell.
Palletizing Stations
Conditions air for heavy-duty bagging and sealing machinery where the 108 cc drain bowl captures condensate from high-cycle air usage.
Woodworking Machinery
Supplies filtered and lubricated air to large spindle brakes and clamping cylinders, protecting moving parts from moisture and friction.
Is the Airtac GAC F.R.L. Unit GAC500N20SN the Right Air-Prep Unit?
Choose this GAC500 body when a 3/4in line requires a robust air preparation footprint, stepping up from the GAC400 which offers a smaller 100 cc drain bowl. The nylon bowl material suits specific chemical surroundings, while the semi-auto and manual drain configuration gives operators direct control over the 108 cc condensate reservoir. Without a factory gauge, the set pressure cannot be read unless one is added to the 1/4in connection. If the downstream line must remain oil-free, omit the lubricator and choose a filter-regulator instead. For maintenance, the assembly accepts GAF500-20, GAR500-20 and GAL500-20 replacement units. Stepping to this body from the GAC400 increases the plotted flow envelope from 6000 to 7000 L/min at 0.7 MPa inlet, giving roughly 1.17x the sizing capacity.
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 GAC500N20SN FAQ
This standard type unit operates at 0.15-0.9 MPa (20-130 psi) with a maximum pressure of 1.0 MPa (145 psi) and a proof pressure of 1.5 MPa (215 psi). It features a 3/4in port, a 40 um element, a 108 cc drain bowl and a 225 cc oil bowl. The temperature range is -5 to 70 C, the recommended lubricant is ISO VG 32, and it weighs 2460 g.
The N after the 2-digit port code indicates no gauge is supplied. To monitor the 0.15-0.9 MPa setting, operators must install a separate circular gauge into the 1/4in gauge connection on the regulator body, ensuring the scale matches the PT thread standard of MPa/psi.
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Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
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