Airtac GAFC Air Service Unit GAFC300C08ALNK
The AirTAC Airtac GAFC Air Service Unit GAFC300C08ALNK 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 - 0.4 MPa (20 - 58 psi).
- TypeF.R.L. combination
- Port size1/4"
- Pressure range0.15 - 0.4 MPa (20 - 58 psi)
- Filtering grade40 µm
- Bowl materialMetal
- Drainautomatic
- Pressure gaugeNot fitted
- Weight1020 g
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac GAFC Air Service Unit GAFC300C08ALNK
This GAFC300C08ALNK is a two-piece F.R.L. combination: a filter-regulator body paired with a lubricator, mounted on a shared T-bracket with quick clamps. The 1/4in port and 1020 g mass place it in the mid-size class, suitable for a single machine station or a small pneumatic circuit. It regulates from 0.15 to 0.4 MPa (20-58 psi), with a 40 um element filtering the air before the lubricator adds a metered oil mist downstream.
The metal bowl holds 60 cc of condensate, while the oil bowl holds 98 cc, so the service interval is set by how often the line is wet rather than by frequent checks. The automatic drain clears water without an operator, and the reverse-flow valve is fitted. No gauge is supplied, but the 1/8in gauge connection allows one to be added later if the set pressure must be read directly.
Airtac GAFC Air Service Unit GAFC300C08ALNK Technical Specifications
| Model | Airtac GAFC Air Service Unit GAFC300C08ALNK |
|---|---|
| Series | GAFC300 F.R.L. combination |
| Port size | 1/4" (PT thread) |
| Filtering grade | 40 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. No gauge is supplied with this model — the gauge connection on a GAFC300 is 1/8" if you add one.
Model Code: Airtac GAFC Air Service Unit GAFC300C08ALNK
| 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). |
| 08 | Port size 1/4". 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). |
| N | No pressure gauge; 1/8" gauge connection. |
| (blank) | Filtering grade 40 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.
Size Class & Flow Envelope
- GAFC2001/8"-1/4" · 1750 L/min
- GAFC3001/4"-1/2" · 3500 L/min
- GAFC4003/8"-1/2" · 6000 L/min
- GAFC5003/4" · 7000 L/min
- GAFC6003/4"-1" · 12000 L/min
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 |
Where the Airtac GAFC Air Service Unit GAFC300C08ALNK Is Used
Precision Fixture Clamping
Feed a single-station clamping fixture on a CNC mill where a lower regulated pressure protects delicate workpieces from over-clamping. The 1/4in port matches small bore cylinders, and the automatic drain keeps the line clear during long unattended cycles.
Assembly Line Lubrication
Supply a pneumatic screwdriver or nutrunner on an assembly bench with filtered, regulated air and a controlled oil mist. The 98 cc oil bowl supports a full shift of tool lubrication, while the metal bowl handles condensate in a warm shop environment.
Test Bench Air Supply
Run a leak tester or pressure test jig that needs a stable 0.15-0.4 MPa supply. The lower-pressure regulator holds the set point as shop pressure varies, and the 5 um option would be a future upgrade if finer filtration becomes necessary.
Is the Airtac GAFC Air Service Unit GAFC300C08ALNK the Right Air-Prep Unit?
Choose this GAFC300C08ALNK when a 1/4in port and a lower regulated band up to 0.4 MPa match your actuator or valve duty. The metal bowl is specified by the C code, and the shared specification of 1.0 MPa max and -5 to 70 C applies regardless of bowl material, so confirm the metal suits your environment rather than assuming a performance advantage. The automatic drain (A) suits unattended lines, while the 40 um element is the standard grade for general shop air. The reverse-flow valve (K) is fitted, and the PT thread carries a gauge scale in MPa/psi if a gauge is added. Spare parts are orderable as GAFR300-08 and GAL300-08. With a 1.0 MPa max supply, you have about 0.6 MPa of headroom above the 0.4 MPa top of the regulated range, so plan the inlet pressure accordingly.
Quick checklist
- ✓ Body size for your peak flow (1/4" here)
- ✓ Standard 0.9 MPa or lower-pressure 0.4 MPa
- ✓ Bowl material: PC (blank), Metal (C), Nylon (N)
- ✓ Drain: semi-auto + manual, or automatic
- ✓ Element 40 µm or 5 µm
- ✓ Thread & gauge scale (PT / G / NPT)
Installation & Maintenance Notes
- check Install with the airflow arrow: filter-regulator first, lubricator last.
- check Keep inlet pressure at or below 1.0 MPa (145 psi).
- check Fill the oil bowl with ISO VG 32 or equivalent only.
- check Drain condensate before the 60 cc bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Support the 1020 g unit on its bracket, not on the tubing.
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.
Airtac GAFC Air Service Unit GAFC300C08ALNK FAQ
This F.R.L. combination operates from 0.15 to 0.4 MPa (20-58 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. The drain bowl holds 60 cc, the oil bowl holds 98 cc, and the unit weighs 1020 g. It has a 1/4in port and a 40 um element.
The C code specifies a metal bowl, which is a build choice for the condensate bowl; the catalogue does not publish impact or chemical data, so confirm it suits your environment. The N after the port means no gauge is supplied, but the 1/8in gauge connection on the GAFC300 body allows a gauge to be fitted later. The reverse-flow valve is also included in this configuration.
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