
The AirTAC Airtac GAFC Air Service Unit GAFC300N08SN 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 1/4" ports, a 40 µm filter element and regulates 0.15 - 0.9 MPa (20 - 130 psi).
This GAFC300N08SN is a two-piece F.R.L. combination: the filter and regulator share one body, and the lubricator is mounted on the same T-bracket. Air is cleaned and set to pressure first, then a metered oil mist is added downstream, so oil never travels back through the regulator seat. The 1/4in port and 1020 g mass place it in the mid-size class, a step up from the GAFC200's 590 g for lines that need more condensate and oil capacity.
The standard pressure range is 0.15-0.9 MPa (20-130 psi), with a 40 um element as standard. The nylon bowl holds 60 cc of condensate and the oil bowl 98 cc, which sets the service rhythm for the unit. No gauge is supplied with this model, so the set pressure cannot be read without adding one to the 1/8in gauge connection.
| Model | Airtac GAFC Air Service Unit GAFC300N08SN |
|---|---|
| Series | GAFC300 F.R.L. combination |
| Port size | 1/4" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| 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 | 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. No gauge is supplied with this model — the gauge connection on a GAFC300 is 1/8" if you add one.
| GAFC300 | GA300 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). |
| 08 | Port size 1/4". This body offers 08 = 1/4", 10 = 3/8", 15 = 1/2". |
| (blank) | Drain: Semi-auto drain + manual drain. |
| S | Standard type — 0.15 - 0.9 MPa (20 - 130 psi). This body offers Standard (S) or Lower pressure (L). |
| N | No pressure gauge; 1/8" 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: GAFR300-08 filter & regulator, GAL300-08 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 · 1/4" · 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 single-axis positioning jig or a small clamping fixture on an assembly bench, where the 1/4in port delivers enough flow for one actuator and the 40 um element keeps particles away from precision slides.
Power pneumatic stops on a light conveyor line, where the 60 cc condensate bowl handles moisture from a short supply run and the lubricator keeps the stop cylinders moving without frequent attention.
Supply a lab test bench with regulated air for prototype valves or small cylinders, relying on the 98 cc oil bowl to maintain consistent lubrication during extended testing cycles.
Choose the GAFC300 body when a 1/4in port needs more capacity than the GAFC200's 25 cc drain bowl, but less than the GAFC400's 100 cc. The nylon bowl is a build choice; the common specification of 1.0 MPa max and -5 to 70 C applies to all bowl materials, so confirm nylon suits your environment. The semi-auto drain dumps condensate on each pressure drop, with a manual drain for on-demand use. The 40 um element is the standard grade; the W option upgrades to 5 um for finer filtration. The PT thread carries a gauge scale in MPa and psi, though no gauge is fitted here. For oil-free downstream air, omit the lubricator and select a plain GAFR300-08 filter-regulator instead. Spare parts are orderable as GAFR300-08 and GAL300-08. With a 1.0 MPa max supply, there is only about 0.1 MPa of headroom above the 0.9 MPa top of the regulated range, so plan the supply pressure accordingly.
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 GAFR300-08 filter-regulator on that branch instead of the full combination.
The GAFC300N08SN operates at 0.15-0.9 MPa (20-130 psi) with a max pressure of 1.0 MPa (145 psi) and proof pressure of 1.5 MPa (215 psi). The temperature range is -5 to 70 C, and the recommended lubricant is ISO VG 32. It has a 60 cc drain bowl and a 98 cc oil bowl, with a total weight of 1020 g. The port is 1/4in and the element grade is 40 um.
The N after the port code specifies no gauge is supplied. The body's gauge connection is 1/8in, so you can add a circular gauge later if you need to read the set pressure directly. This option reduces the initial part count and lets you fit a gauge with the scale your operators prefer.
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