
The AirTAC Airtac GAFC Air Service Unit GAFC40015SWK 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 - 0.9 MPa (20 - 130 psi).
This GAFC40015SWK is a two-piece F.R.L. combination: a filter-regulator body paired with a lubricator, mounted on a T-bracket with quick clamps. The 1/2in port and 1810 g weight place it in the mid-size class, suitable for machine headers or multi-station lines where a 3/8in unit would be undersized.
Air enters the first body where the 5 um element removes fine particles and the regulator sets pressure to 0.15-0.9 MPa (20-130 psi). The lubricator then adds a metered oil mist downstream, so oil never travels back through the regulator seat. The 100 cc condensate bowl and 185 cc oil bowl define the service interval, and the circular gauge reads in MPa/psi for the PT thread.
| Model | Airtac GAFC Air Service Unit GAFC40015SWK |
|---|---|
| Series | GAFC400 F.R.L. combination |
| Port size | 1/2" (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 | 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.
| GAFC400 | GA400 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). |
| 15 | Port size 1/2". This body offers 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). |
| (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: 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 |
Powers pneumatic valves controlling coolant flow on machining centers, where the 5 um element protects fine orifices from swarf contamination.
Feeds multiple air tools on a 1/2in distribution header, with the 100 cc bowl handling condensate from a busy production shift.
Supplies clean, regulated air to cylinders that fold and seal cartons, with the lubricator keeping moving parts cycling smoothly.
Choose the GAFC400 for lines needing more flow than a GAFC300's 3500 L/min envelope; this body's curve is plotted to 6000 L/min at 0.7 MPa inlet. The PC bowl suits general industrial use, while the semi-auto drain dumps condensate on pressure drops and the manual drain works on demand. The 5 um element traps finer particles than the standard 40 um, trading longer element life for better protection of precision valves. The fitted circular gauge shows MPa/psi, and the reverse-flow valve is included as an ordering option. For oil-free lines, omit the lubricator and select a plain GAFR400-15 filter-regulator instead; the GAL400-15 lubricator is separately orderable. The 1.0 MPa max supply leaves about 0.1 MPa above the 0.9 MPa top of the range, so plan inlet pressure carefully if you need the full regulated 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 GAFR400-15 filter-regulator on that branch instead of the full combination.
The working pressure range is 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). Temperature rating is -5 to 70 C. The drain bowl holds 100 cc and the oil bowl 185 cc. Recommended lubricant is ISO VG 32. The complete unit weighs 1810 g and uses a 1/2in PT thread.
The W code specifies a 5 um filter element, which captures finer particles than the standard 40 um grade, making it suitable for sensitive pneumatic instruments. The K code adds a reverse-flow (reflux) valve, shown as a separate symbol in the catalogue. Both options are factory-fitted and cannot be added later without ordering a different model.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity, thread type (PT / G / NPT) and destination. We confirm price, stock and lead time — usually within 7-8 hours.