
The AirTAC Airtac GAFC Air Service Unit GAFC400C15ALN 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 40 µm filter element and regulates 0.15 - 0.4 MPa (20 - 58 psi).
This GAFC400C15ALN is a two-piece F.R.L. combination: a filter-regulator body paired with a lubricator, mounted on a shared T-bracket with quick clamps. The 1/2in port and 1810 g mass place it in the mid-size class, suited for feeding a multi-station machine header rather than a single small cylinder.
The lower-pressure regulator is set for 0.15-0.4 MPa (20-58 psi), with a 40 um element filtering the air before it reaches the lubricator. The metal bowl is specified by the C code, and the automatic drain clears condensate without an operator. No gauge is supplied; the 1/4in gauge connection is available if a pressure readout is added later.
| Model | Airtac GAFC Air Service Unit GAFC400C15ALN |
|---|---|
| Series | GAFC400 F.R.L. combination |
| Port size | 1/2" (PT thread) |
| Filtering grade | 40 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.
| 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. |
| (blank) | Filtering grade 40 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.
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 |
Feed a pneumatic manifold that powers several workstations on an assembly line, where each station needs filtered, regulated air at a consistent lower pressure.
Supply a multi-spindle nutrunner that requires a stable 0.3 MPa supply to control fastening torque, with the automatic drain handling condensate from the compressor.
Maintain a gentle, regulated air pressure for a film tensioning roller on a packaging machine, where the lower pressure range prevents over-stretching the material.
Choose this GAFC400C15ALN when your line needs 1/2in ports and a regulated output capped at 0.4 MPa. The L type is the lower-pressure variant, so if the machine may ever require more than 0.4 MPa, step up to the standard S type instead. The metal bowl is a build choice, but the shared specification of 1.0 MPa max and -5 to 70 C applies regardless; confirm the material suits your surroundings. The automatic drain is fitted, so no manual draining is needed. The 40 um element is the standard grade, and the PT thread carries a gauge scale of MPa/psi if a gauge is added. The two units are orderable separately as GAFR400-15 and GAL400-15. With a 1.0 MPa max supply, there is about 0.6 MPa of headroom above the 0.4 MPa top of this unit's regulated range.
Quick checklist
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.
The GAFC400C15ALN operates at 0.15-0.4 MPa (20-58 psi), with a maximum pressure of 1.0 MPa (145 psi) and a proof pressure of 1.5 MPa (215 psi). It is rated for -5 to 70 C and requires ISO VG 32 lubricant. The unit has a 100 cc condensate bowl and a 185 cc oil bowl, and weighs 1810 g.
The C code specifies a metal bowl, which is a build choice; the catalogue does not provide material-specific performance data, so confirm it suits your environment. The N after the port code means no gauge is supplied, but the 1/4in gauge connection is present if you need to add one.
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