Airtac GAFC Air Service Unit GAFC400N15LW
The AirTAC Airtac GAFC Air Service Unit GAFC400N15LW 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
- Drainsemi-auto + manual
- Pressure gaugeCircular, MPa / psi
- 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 GAFC400N15LW
This GAFC400N15LW is a two-piece F.R.L. combination: a filter-regulator body paired with a lubricator on a shared T-bracket. The 1/2in port and 1810 g mass place it in the mid-size class, a step up from the GAFC300's 1020 g for lines that need more condensate and oil capacity. Air enters the first body where the 5 um element traps fine particles and the regulator sets pressure to 0.15-0.4 MPa (20-58 psi), then the lubricator meters ISO VG 32 oil mist into the flow last.
The nylon bowls hold 100 cc for condensate and 185 cc for oil, so the service interval is set by how fast moisture accumulates in your line. A circular gauge is fitted with a MPa/psi scale for the default PT thread. The lower-pressure range suits gentle duties, but if a station ever needs more than 0.4 MPa, this L-type unit is the wrong choice - step up to the standard S type instead.
Airtac GAFC Air Service Unit GAFC400N15LW Technical Specifications
| Model | Airtac GAFC Air Service Unit GAFC400N15LW |
|---|---|
| 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 | 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 | 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. The fitted circular gauge reads in MPa / psi, set by the PT thread code.
Model Code: Airtac GAFC Air Service Unit GAFC400N15LW
| 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". |
| (blank) | Drain: Semi-auto drain + manual 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. |
| (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 GAFC400N15LW Is Used
Precision valve protection
Feed a bank of pilot-operated directional valves on a small assembly station. The 5 um element keeps fine wear particles from scoring spools, while the lower pressure range suits delicate actuation.
Lab air bench
Supply a laboratory test rig that runs pneumatic grippers at gentle force. The 0.15-0.4 MPa band gives fine control, and the 185 cc oil bowl keeps the lubricator running between shifts.
Light packaging line
Power a film-sealing press that needs clean, lightly lubricated air at moderate pressure. The 1/2in port feeds a short manifold, and the nylon bowls handle frequent washdowns.
Is the Airtac GAFC Air Service Unit GAFC400N15LW the Right Air-Prep Unit?
Choose this GAFC400N15LW when your machine runs at modest pressures and you want fine filtration. The 5 um element catches particles far smaller than the standard 40 um grade, which protects precision valves but means more frequent element changes. The nylon bowl is a build choice - the catalogue gives no impact or chemical data, so confirm it suits your environment. The semi-auto drain dumps condensate each time pressure drops, with a manual backup for on-demand draining. The fitted gauge reads MPa/psi on the PT thread. For oil-free lines, omit the lubricator and select a plain GAFR400-15 filter-regulator instead; the GAL400-15 lubricator is the second spare part. With a 1.0 MPa max supply, you have about 0.6 MPa of headroom above the 0.4 MPa top of the regulated band.
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 GAFC400N15LW FAQ
The GAFC400N15LW operates at 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). Temperature range is -5 to 70 C. It has a 100 cc drain bowl and a 185 cc oil bowl, weighs 1810 g, and uses ISO VG 32 lubricant. The 5 um element filters the air.
The L in the code specifies the lower-pressure type, regulating from 0.15 to 0.4 MPa instead of the standard 0.15-0.9 MPa. This suits applications that need gentle, precise pressure without the risk of over-pressurizing delicate components. If your machine may ever require more than 0.4 MPa, choose the standard S type instead.
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