
The AirTAC Airtac GAFC Air Service Unit GAFC30008SNWK 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 5 µm filter element and regulates 0.15 - 0.9 MPa (20 - 130 psi).
This F.R.L. combination pairs a filter-regulator with a lubricator on a single T-bracket, reducing the piece count to two while keeping all three functions. The 1/4in port and 1020 g mass place it in the mid-range GAFC300 class, where the 60 cc condensate bowl and 98 cc oil bowl set the service rhythm. It operates from 0.15 to 0.9 MPa (20-130 psi) and uses a 5 um element to catch fine particles before they reach sensitive components.
The filter and regulator share one body, so air is cleaned and set to pressure before the lubricator injects a metered oil mist downstream. This model has no gauge fitted, so the set pressure cannot be read without adding one to the 1/8in gauge connection. The reverse-flow (reflux) valve is included, and the semi-auto drain dumps condensate each time pressure drops while the manual drain offers on-demand release.
| Model | Airtac GAFC Air Service Unit GAFC30008SNWK |
|---|---|
| Series | GAFC300 F.R.L. combination |
| Port size | 1/4" (PT thread) |
| Filtering grade | 5 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| Bowl material | PC |
| 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. |
|---|---|
| (blank) | Bowl material: PC. 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. |
| W | Filtering grade 5 µm. |
| (blank) | PT thread; gauge scale MPa / psi. |
| K | Reverse-flow (reflux) valve attached. |
Constituent units, orderable separately as spares: GAFR300-08 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 1/4in line to a pneumatic valve manifold on a CNC machine, where the 5 um element protects fine spool clearances from abrasive dust.
Mount on a workbench feeding pneumatic screwdrivers and clamps, using the semi-auto drain to shed condensate between shift changes.
Supply a lab test bench with regulated air for cylinder cycling tests, relying on the 98 cc oil bowl to keep lubrication consistent over long runs.
Choose the GAFC300 body when a 1/4in port with a 3500 L/min flow envelope at 0.7 MPa inlet suits your line, and step up to GAFC400 if you need 3/8in ports and a 6000 L/min envelope. The PC bowl is the standard build, while the 5 um element trades finer filtration for more frequent service than the 40 um standard. The semi-auto plus manual drain pair handles most shop air, and the PT thread with MPa/psi gauge scale matches common regional fittings. The reverse-flow valve is fitted per the K code, and the two units are orderable separately as GAFR300-08 and GAL300-08. Max supply of 1.0 MPa leaves about 0.1 MPa above the 0.9 MPa top of the regulated range, so plan inlet pressure carefully if you need the full output.
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.
This F.R.L. combination works with air from 0.15 to 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). It operates from -5 to 70 C, uses ISO VG 32 lubricant, and has a 60 cc condensate bowl plus a 98 cc oil bowl. The unit weighs 1020 g and uses a 5 um filter element.
The N in the code after the port means no gauge is supplied. The GAFC300 body has a 1/8in gauge connection, so you can add a circular gauge later if you need to read the set pressure directly at the unit.
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