
The AirTAC Airtac GAFC Air Service Unit GAFC300C10ALWK 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 3/8" ports, a 5 µm filter element and regulates 0.15 - 0.4 MPa (20 - 58 psi).
This AirTAC GAFC300C10ALWK is a two-piece F.R.L. combination: a filter-regulator body paired with a lubricator on a shared T-bracket. The 3/8in port and 1020 g mass suit it for a compact machine station where space is limited. It regulates to a lower 0.15-0.4 MPa (20-58 psi) band, with a 5 um element trapping fine particles for sensitive equipment.
The metal bowl holds 60 cc of condensate and the oil bowl 98 cc, so service intervals are practical for a production line. The automatic drain clears water without an operator, and the fitted circular gauge reads in MPa/psi. A reverse-flow valve is included, and the lubricator adds oil mist downstream of the regulator, keeping the valve seat dry.
| Model | Airtac GAFC Air Service Unit GAFC300C10ALWK |
|---|---|
| Series | GAFC300 F.R.L. combination |
| Port size | 3/8" (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 | 60 cc |
| Capacity of oil bowl | 98 cc |
| Recommended lubricant | ISO VG 32 or equivalent |
| Weight | 1020 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.
| GAFC300 | GA300 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). |
| 10 | Port size 3/8". This body offers 08 = 1/4", 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: GAFR300-10 filter & regulator, GAL300-10 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 | GAFC300 · 3/8" · curve to 3500 L/min |
|---|---|
| One size down | GAFC200 |
| One size up | GAFC400 (curve to 6000 L/min) |
| Build order | Filter & regulator → bracket → lubricator |
Feed a pneumatic press or a small indexing table that needs a stable 0.3 MPa supply, with the 5 um element protecting fine metering valves from particle wear.
Supply a single spindle or a tool changer with filtered, regulated air and a metered oil mist, keeping the way lube system topped up automatically.
Run a benchtop leak tester or a calibration fixture where the lower pressure range prevents over-pressuring sensitive reference components.
Choose the GAFC300 body for 3/8in piping where the GAFC200's 1/4in port is too small; the flow curve plots to 3500 L/min at 0.7 MPa inlet, which is double the GAFC200's envelope. The metal bowl is specified here - confirm it suits your environment, as the -5 to 70 C rating is shared across all bowl materials. The automatic drain (A) is for unattended lines, while the lower-pressure type (L) tops out at 0.4 MPa, so verify your actuators never need more. The 5 um element filters finer than the standard 40 um but will need more frequent service. The PT thread carries a MPa/psi gauge scale, and the K code adds the reverse-flow valve. Spare parts are GAFR300-10 and GAL300-10, orderable separately. With a 1.0 MPa max supply, you have about 0.6 MPa of headroom above the 0.4 MPa regulated ceiling.
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 GAFR300-10 filter-regulator on that branch instead of the full combination.
This unit operates from 0.15 to 0.4 MPa (20-58 psi) with a maximum supply of 1.0 MPa (145 psi) and a proof pressure of 1.5 MPa (215 psi). The temperature range is -5 to 70 C. It has a 60 cc drain bowl and a 98 cc oil bowl, weighs 1020 g, and uses ISO VG 32 or equivalent lubricant.
The 'L' code sets the regulation band to 0.15-0.4 MPa, which suits delicate circuits that must not see higher pressure. The 'C' code specifies a metal bowl; the catalogue does not rate it as stronger, so confirm it fits your environment. The 'K' code adds a reverse-flow valve, which the catalogue shows as a separate symbol.
Genuine AirTAC parts produced by AirTAC factory.
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