Airtac GAC F.R.L. Unit GAC400N15ALWK
The AirTAC Airtac GAC F.R.L. Unit GAC400N15ALWK 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 1/2" ports, a 5 µm filter element and regulates 0.15 - 0.4 MPa (20 - 58 psi).
- TypeF.R.L. combination
- Port size1/2"
- Pressure range0.15 - 0.4 MPa (20 - 58 psi)
- Filtering grade5 µm
- Bowl materialNylon
- Drainautomatic
- Pressure gaugeCircular, MPa / psi
- Weight2390 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 GAC400N15ALWK
Delivering cleaned, regulated and lubricated air for mid-size pneumatics, this AirTAC GAC400N15ALWK combines a filter, regulator and lubricator on a single L-shape bracket. The 1/2in port serves machines needing a lower operating pressure of 0.15-0.4 MPa (20-58 psi), while the 5 um element captures fine particles before they reach sensitive valves. Because the lubricator sits downstream of the regulator, oil mist is added last, preventing fouling of the regulating seat.
The 2390 g assembly uses a nylon bowl and an automatic drain that empties the 100 cc condensate sump without operator intervention. A circular gauge is fitted, reading MPa/psi for the default PT thread. This specific configuration also includes a reverse-flow (reflux) valve, which the catalogue shows as a separate pneumatic symbol with details on its own page.
Airtac GAC F.R.L. Unit GAC400N15ALWK Technical Specifications
| Model | Airtac GAC F.R.L. Unit GAC400N15ALWK |
|---|---|
| Series | GAC400 F.R.L. combination |
| Port size | 1/2" (PT thread) |
| Filtering grade | 5 µm |
| Pressure range | 0.15 - 0.4 MPa (20 - 58 psi) |
| Type | Lower pressure |
| 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 | 100 cc |
| Capacity of oil bowl | 185 cc |
| Recommended lubricant | ISO VG 32 or equivalent |
| Weight | 2390 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.
Model Code: Airtac GAC F.R.L. Unit GAC400N15ALWK
| GAC400 | GA400 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). |
| 15 | Port size 1/2". This body offers 10 = 3/8", 15 = 1/2". |
| A | Drain: Automatic drain. |
| L | Lower pressure type — 0.15 - 0.4 MPa (20 - 58 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: GAF400-15 filter, GAR400-15 regulator, GAL400-15 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 | GAC400 · 1/2" · curve to 6000 L/min |
|---|---|
| One size down | GAC300 |
| One size up | GAC500 (curve to 7000 L/min) |
| Build order | Filter → bracket → regulator → lubricator |
Where the Airtac GAC F.R.L. Unit GAC400N15ALWK Is Used
Precision Valve Arrays
Feeds low-pressure instrument air through a 5 um element to protect sensitive proportional valves in delicate assembly jigs.
Light-Clamp Packaging
Supplies a 0.15-0.4 MPa regulated mist to packaging lines using soft grippers that require delicate, non-destructive product handling.
Laboratory Pneumatics
Conditions air for automated lab dispensing systems where the automatic drain keeps the 1/2in supply line clear of condensate during long unattended runs.
Is the Airtac GAC F.R.L. Unit GAC400N15ALWK the Right Air-Prep Unit?
Choose this lower-pressure type for circuits never exceeding 0.4 MPa; if the machine might need more, select a standard unit instead. The 5 um element suits instrument air or precision valves but requires more frequent replacement than the 40 um default. For unattended or wet lines, the automatic drain is decisive, while the nylon bowl offers a non-metallic build option within the same 1.0 MPa maximum and -5 to 70 C temperature limits. If the downstream line must stay oil-free, omit the lubricator and choose a filter-regulator. Spares follow the body-port suffix exactly: GAF400-15, GAR400-15 and GAL400-15. Stepping down to the GAC300 halves the plotted flow envelope from 6000 to 3000 L/min at 0.7 MPa inlet. The 0.4 MPa ceiling is 44% of the standard 0.9 MPa maximum, quantifying exactly what is sacrificed to gain finer low-pressure control.
Quick checklist
- ✓ Body size for your peak flow (1/2" 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 100 cc bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Support the 2390 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 GAC400N15ALWK FAQ
This lower-pressure F.R.L. combination regulates from 0.15-0.4 MPa (20-58 psi) with a 1.0 MPa (145 psi) maximum and a 1.5 MPa (215 psi) proof pressure. It operates from -5 to 70 C, weighs 2390 g, and features a 100 cc drain bowl with a 185 cc oil bowl. The recommended lubricant is ISO VG 32.
The K indicates a reverse-flow (reflux) valve is fitted. The catalogue draws this as a distinct pneumatic symbol, and you should consult that specific page for its operational details.
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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