Airtac GAFC Air Service Unit GAFC400N15ALNW
The AirTAC Airtac GAFC Air Service Unit GAFC400N15ALNW is a genuine two-piece F.R.L. combination — a GA-series filter & regulator and a lubricator pre-assembled on one T-shape 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 gaugeNot fitted
- Weight1810 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 GAFC Air Service Unit GAFC400N15ALNW
This AirTAC GAFC400N15ALNW is a two-piece F.R.L. combination: a filter-regulator body paired with a lubricator on a shared bracket. Air enters the 1/2" port, gets filtered by the 5 um element, and is regulated down to the 0.15-0.4 MPa (20-58 psi) lower-pressure band before the lubricator meters oil mist into the flow. The nylon bowl holds 100 cc of condensate, while the separate oil bowl holds 185 cc, and the complete unit weighs 1810 g.
The automatic drain clears collected water without an operator, which suits the lower-pressure range's typical use in delicate, unattended processes. No gauge is supplied with this model, so the set pressure cannot be read directly; the 1/4" gauge connection is available if you add one later. The 5 um element traps finer particles than the standard 40 um grade, making this a good fit for precision valves or instrument air where contamination control matters more than element service life.
Airtac GAFC Air Service Unit GAFC400N15ALNW Technical Specifications
| Model | Airtac GAFC Air Service Unit GAFC400N15ALNW |
|---|---|
| Series | GAFC400 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 | 1810 g |
Specifications follow the official AirTAC GAFC catalogue (pages 219-220). Air must not freeze in the unit. No gauge is supplied with this model — the gauge connection on a GAFC400 is 1/4" if you add one.
Model Code: Airtac GAFC Air Service Unit GAFC400N15ALNW
| GAFC400 | 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). |
| N | No pressure gauge; 1/4" gauge connection. |
| W | Filtering grade 5 µm. |
| (blank) | PT thread; gauge scale MPa / psi. |
| (blank) | No reverse-flow valve. |
Constituent units, orderable separately as spares: GAFR400-15 filter & regulator, GAL400-15 lubricator — both share this body and port. A GAFC has two units, not three: the filter and the regulator are one body.
Size Class & Flow Envelope
- GAFC2001/8"-1/4" · 1750 L/min
- GAFC3001/4"-1/2" · 3500 L/min
- GAFC4003/8"-1/2" · 6000 L/min
- GAFC5003/4" · 7000 L/min
- GAFC6003/4"-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 | GAFC400 · 1/2" · curve to 6000 L/min |
|---|---|
| One size down | GAFC300 |
| One size up | GAFC500 (curve to 7000 L/min) |
| Build order | Filter & regulator → bracket → lubricator |
Where the Airtac GAFC Air Service Unit GAFC400N15ALNW Is Used
Precision Pressure Control
Feed a precision pneumatic regulator or a sensitive process valve that requires a stable supply below 0.4 MPa, where the lower-pressure range and 5 um filtration protect delicate internals from both pressure spikes and fine contamination.
Laboratory Air Supply
Supply filtered, regulated air to a lab bench or test fixture that runs on a low-pressure circuit, where the automatic drain keeps condensate out of the lines without daily attention and the 1/2" port feeds multiple small instruments.
Low-Pressure Packaging Line
Run a packaging machine's light-duty actuators or air grippers that operate below 0.4 MPa, where the 185 cc oil bowl keeps the lubricator filled for longer shifts and the 5 um element prevents fine dust from jamming small valves.
Is the Airtac GAFC Air Service Unit GAFC400N15ALNW the Right Air-Prep Unit?
Choose this GAFC400N15ALNW when your application needs a 1/2" port with a regulated output capped at 0.4 MPa. The L-type pressure range is the defining feature here: if your machine might ever require more than 0.4 MPa, this is the wrong part, and you should step up to the standard S type (0.15-0.9 MPa). The nylon bowl is a build choice, not a performance upgrade, so confirm it suits your environment. The automatic drain is the right call for wet or unattended lines, and the 5 um element is for finer filtration at the cost of more frequent element changes. The PT thread carries a gauge scale in MPa/psi if you fit a gauge later. Spare parts are orderable separately as the GAFR400-15 filter & regulator and the GAL400-15 lubricator. With a 1.0 MPa max supply, you have about 0.6 MPa of headroom above the 0.4 MPa top of this unit's regulated range.
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-regulator 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 1810 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 plain GAFR400-15 filter-regulator on that branch instead of the full combination.
Airtac GAFC Air Service Unit GAFC400N15ALNW FAQ
This is a lower-pressure F.R.L. combination with a working range of 0.15-0.4 MPa (20-58 psi). Maximum supply pressure is 1.0 MPa (145 psi) and proof pressure is 1.5 MPa (215 psi). It operates from -5 to 70 C and must not freeze. The drain bowl holds 100 cc and the oil bowl holds 185 cc. Recommended lubricant is ISO VG 32. The complete unit weighs 1810 g.
The N after the port code means no gauge is supplied with this unit. The 1/4" gauge connection is still present on the body, so you can add a circular gauge later if you need to read the set pressure. The PT thread version accepts a gauge with an MPa/psi scale. Without a gauge, the operator cannot verify the regulated output directly, so plan for a gauge if your process requires pressure confirmation.
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