
The AirTAC Airtac GAFC Air Service Unit GAFC40015ASN 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 - 0.9 MPa (20 - 130 psi).
The GAFC40015ASN is a two-piece F.R.L. combination: a filter-regulator body handles filtration and pressure setting, then a separate lubricator adds a controlled oil mist downstream. With a 1/2in port and a 1810 g mass, this unit suits medium-sized machine headers where a compact footprint matters.
It operates from 0.15 to 0.9 MPa (20-130 psi) using a 40 um element, and the automatic drain clears condensate without operator attention. The 100 cc drain bowl and 185 cc oil bowl define the service interval, and the missing gauge means the 1/4in gauge connection is ready for a field-installed indicator.
| Model | Airtac GAFC Air Service Unit GAFC40015ASN |
|---|---|
| Series | GAFC400 F.R.L. combination |
| Port size | 1/2" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| Bowl material | PC |
| 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. |
|---|---|
| (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". |
| A | Drain: Automatic 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; 1/4" 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 consistent 0.6 MPa supply to a CNC machine's coolant valve manifold, where the automatic drain prevents water carryover into precision solenoids.
Power a series of pneumatic pallet stops on an assembly conveyor, using the 185 cc oil bowl to lubricate multiple cylinders between maintenance rounds.
Supply filtered, regulated air to carton-erecting grippers, where the 40 um element protects small bore cylinders from particulate wear.
Choose the GAFC400 for 3/8in to 1/2in lines where the GAFC300's 3500 L/min envelope feels tight; the GAFC400's curve plots to 6000 L/min at 0.7 MPa inlet. The PC bowl suits general industrial use, while the automatic drain is ideal for unattended stations. The standard pressure range covers most actuators, and the 40 um element balances protection with service life. Spares are the GAFR400-15 filter-regulator and GAL400-15 lubricator, both orderable separately. The 1.0 MPa max supply leaves about 0.1 MPa above the 0.9 MPa top of the 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.
This F.R.L. combination works from 0.15 to 0.9 MPa (20-130 psi), with a 1.0 MPa (145 psi) maximum and 1.5 MPa (215 psi) proof pressure. It operates from -5 to 70 C and requires ISO VG 32 lubricant. The drain bowl holds 100 cc, the oil bowl 185 cc, and the unit weighs 1810 g.
The N after the port code means no gauge is supplied. The GAFC400 body has a 1/4in gauge connection, so you can add a panel-mount gauge if operators need to read the set pressure locally. The regulator still holds its setting without a gauge installed.
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