Airtac GAFC Air Service Unit GAFC300C08LN
The AirTAC Airtac GAFC Air Service Unit GAFC300C08LN 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
- Drainsemi-auto + manual
- 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 GAFC300C08LN
The GAFC300C08LN is a two-piece F.R.L. combination: the filter and regulator share one body, and the lubricator is mounted beside it on a T-bracket. With a 1/4in port and a 1020 g mass, this size class suits single-station machines and small assembly benches rather than high-flow headers.
Air enters the first body where solids and moisture are removed and pressure is set to 0.15-0.4 MPa (20-58 psi). The lubricator then adds a metered ISO VG 32 oil mist last, so oil never travels back through the regulator seat. The metal bowl holds 60 cc of condensate, while the oil bowl holds 98 cc, and the 40 um element handles standard shop air.
Airtac GAFC Air Service Unit GAFC300C08LN Technical Specifications
| Model | Airtac GAFC Air Service Unit GAFC300C08LN |
|---|---|
| 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 | 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.
Model Code: Airtac GAFC Air Service Unit GAFC300C08LN
| 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". |
| (blank) | Drain: Semi-auto drain + manual 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. |
| (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.
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 GAFC300C08LN Is Used
Precision pressure setting
Set a lathe tailstock or a small clamping fixture to a precise 0.3 MPa without the risk of overshooting a higher range. The lower-pressure regulator gives finer control in the 0.15-0.4 MPa band.
Low-pressure assembly line
Feed a bench-top pressing station or a parts feeder that runs on regulated shop air at 0.35 MPa. The 1/4in port matches common tubing runs on compact assembly cells.
Lubricated actuator circuit
Supply a single pneumatic cylinder or a small rotary actuator that needs a controlled oil mist. The 98 cc oil bowl keeps the lubricator running between shifts on a light-duty cycle.
Is the Airtac GAFC Air Service Unit GAFC300C08LN the Right Air-Prep Unit?
Choose the GAFC300C08LN when your circuit needs a lower regulated ceiling of 0.4 MPa (20-58 psi) and a 1/4in port. The metal bowl is specified by the C code, and the shared specification of 1.0 MPa maximum and -5 to 70 C applies; confirm the material suits your environment. No gauge is supplied, so the 1/8in gauge connection is where you would add one later. 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; select the W option for 5 um filtration. Spares are the GAFR300-08 filter-regulator and the GAL300-08 lubricator, both orderable separately.
1.0 MPa max supply leaves about 0.6 MPa above the 0.4 MPa top of the range, so plan the inlet pressure accordingly if you intend to run near the ceiling.
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 GAFC300C08LN FAQ
The GAFC300C08LN operates at 0.15-0.4 MPa (20-58 psi) with a maximum pressure of 1.0 MPa (145 psi) and a 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, weighs 1020 g, and uses a 40 um element.
The C code specifies a metal bowl for the condensate and oil reservoirs. The N after the port code means no gauge is supplied; the 1/8in gauge connection is available if you add one. The metal bowl is a build choice, and the common specification of 1.0 MPa maximum and -5 to 70 C applies regardless of material.
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