Airtac GAFC Air Service Unit GAFC300N08ASNK
The AirTAC Airtac GAFC Air Service Unit GAFC300N08ASNK 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 - 0.9 MPa (20 - 130 psi).
- TypeF.R.L. combination
- Port size1/4"
- Pressure range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade40 µm
- Bowl materialNylon
- 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 GAFC300N08ASNK
This AirTAC GAFC300N08ASNK 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 1/4in port and 1020 g mass place it in the mid-size class, needing a proper panel or frame mount rather than tubing support. Air is filtered and regulated in the first body, then the lubricator adds a metered oil mist downstream, so oil never passes back through the regulator seat.
The standard pressure range is 0.15-0.9 MPa (20-130 psi), with a 40 um element for general shop air. The nylon bowl is specified by the N before the port code, and the automatic drain clears condensate without an operator. No gauge is supplied with this model, but the 1/8in gauge connection on the body allows one to be added later. The reverse-flow (reflux) valve is fitted, shown as a separate pneumatic symbol in the catalogue.
Airtac GAFC Air Service Unit GAFC300N08ASNK Technical Specifications
| Model | Airtac GAFC Air Service Unit GAFC300N08ASNK |
|---|---|
| Series | GAFC300 F.R.L. combination |
| Port size | 1/4" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| Bowl material | Nylon |
| 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 GAFC300N08ASNK
| GAFC300 | GA300 series F.R.L. unit — sets ports, bowl capacity and weight. |
|---|---|
| N | Bowl material: Nylon. 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. |
| 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. |
| (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 GAFC300N08ASNK Is Used
Precision valve control
Feed a bank of pneumatic pilot valves on a small assembly station, where the 40 um element protects fine internal passages and the automatic drain keeps the supply dry during long production runs.
Packaging line actuators
Supply a series of 1/4in actuators on a carton-erecting conveyor, using the 0.15-0.9 MPa range to set consistent clamping force and the lubricator to maintain cylinder seals.
Machine tool coolant valves
Operate solenoid valves on a small CNC machine's coolant system, where the nylon bowl suits the shop environment and the automatic drain prevents water buildup from compressor cycling.
Is the Airtac GAFC Air Service Unit GAFC300N08ASNK the Right Air-Prep Unit?
Choose this GAFC300N08ASNK when you need a 1/4in port with automatic condensate removal and a nylon bowl. The automatic drain is decisive for unattended machines or wet supply lines, while the nylon bowl is a build choice for your environment - confirm it suits your surroundings, as the shared specification of 1.0 MPa max and -5 to 70 C applies to all bowl materials. The 40 um element handles standard shop air; step to the 5 um W option if you feed precision valves. The no-gauge N code means you must add a gauge to the 1/8in connection if you need to read set pressure. For oil-free lines, omit the lubricator and choose a plain GAFR300-08 filter-regulator instead. Spares are orderable as GAFR300-08 and GAL300-08. With a 1.0 MPa max supply, you have about 0.1 MPa of headroom above the 0.9 MPa top of the regulated range, so plan your supply 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 GAFC300N08ASNK FAQ
This standard-type unit operates at 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 range is -5 to 70 C, and it must not freeze. The drain bowl holds 60 cc and the oil bowl 98 cc. Recommended lubricant is ISO VG 32. The complete unit weighs 1020 g.
The N after the port code specifies no gauge is supplied. The GAFC300 body has a 1/8in gauge connection where you can add a circular gauge later if needed. This keeps the initial cost down when you monitor pressure elsewhere in the system or use a remote gauge.
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