Airtac GAFC Air Service Unit GAFC400C15ALNWK
The AirTAC Airtac GAFC Air Service Unit GAFC400C15ALNWK 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 materialMetal
- 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 GAFC400C15ALNWK
This AirTAC GAFC400C15ALNWK is a two-piece F.R.L. combination: a filter and regulator share one body, and a lubricator is mounted beside it on a T-bracket with quick clamps. The 1/2in port and 1810 g mass place it in the mid-size class, so it suits machine headers feeding several actuators rather than a single small cylinder.
The lower-pressure type regulates from 0.15 to 0.4 MPa (20-58 psi), and the 5 um element traps fine particles for sensitive valves. The metal bowl holds 100 cc of condensate, the oil bowl holds 185 cc, and the automatic drain clears water without an operator. A reverse-flow valve is fitted, and no gauge is supplied; the 1/4in gauge connection is there if you add one.
Airtac GAFC Air Service Unit GAFC400C15ALNWK Technical Specifications
| Model | Airtac GAFC Air Service Unit GAFC400C15ALNWK |
|---|---|
| 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 | Metal |
| 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 GAFC400C15ALNWK
| GAFC400 | GA400 series F.R.L. unit — sets ports, bowl capacity and weight. |
|---|---|
| C | Bowl material: Metal. 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. |
| K | Reverse-flow (reflux) valve attached. |
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 GAFC400C15ALNWK Is Used
Precision valve control
The 5 um element and lower-pressure range suit a precision pneumatic valve manifold on a packaging line, where fine filtration protects small orifices and the 0.4 MPa ceiling matches the valve's operating band.
Machine tool coolant valve
On a CNC machine's coolant valve circuit, the 1/2in port handles the flow, the automatic drain keeps condensate out of the solenoid, and the lower-pressure setting protects the valve seat from over-pressurization.
Assembly fixture lubrication
For a multi-station assembly fixture with guided slides, this unit delivers filtered, regulated air and a metered oil mist to the moving parts, while the metal bowl stands up to the shop floor environment.
Is the Airtac GAFC Air Service Unit GAFC400C15ALNWK the Right Air-Prep Unit?
Choose the GAFC400C15ALNWK when your line needs 1/2in ports and a regulated output capped at 0.4 MPa (20-58 psi). The metal bowl is a build choice, and the 5 um element suits precision equipment, though it will need service sooner than a 40 um element. The automatic drain is decisive for unattended operation, and the reverse-flow valve is fitted as an ordering difference. The PT thread carries an MPa/psi scale if you fit a gauge later. Spares are the GAFR400-15 filter-regulator and GAL400-15 lubricator, both orderable separately. With a 1.0 MPa max supply, you have about 0.6 MPa above the 0.4 MPa top of the range, so plan the inlet pressure carefully.
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 GAFC400C15ALNWK FAQ
The working pressure range is 0.15-0.4 MPa (20-58 psi), with a max pressure of 1.0 MPa (145 psi) and proof pressure of 1.5 MPa (215 psi). It operates from -5 to 70 C and must not freeze. The drain bowl holds 100 cc, the oil bowl holds 185 cc, and the unit weighs 1810 g. Use ISO VG 32 oil in the lubricator.
The N in the code means no gauge is supplied with the unit. The GAFC400 body has a 1/4in gauge connection, so you can add a circular gauge later if you need to read the set pressure. The PT thread means a gauge with an MPa/psi scale would be the correct match.
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Standard models are processed and dispatched in 3-5 business days.
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