Airtac GAFC Air Service Unit GAFC400N10SNK
The AirTAC Airtac GAFC Air Service Unit GAFC400N10SNK 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 3/8" ports, a 40 µm filter element and regulates 0.15 - 0.9 MPa (20 - 130 psi).
- TypeF.R.L. combination
- Port size3/8"
- Pressure range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade40 µm
- Bowl materialNylon
- Drainsemi-auto + manual
- Pressure gaugeNot fitted
- Weight1810 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 GAFC400N10SNK
This AirTAC GAFC400N10SNK is an F.R.L. combination that pairs a filter-regulator with a lubricator on a single T-shape bracket. The filter and regulator share one body, so the set is two pieces instead of three, with one less joint to seal. Air is cleaned and set to pressure first, then the lubricator adds a metered oil mist last, downstream of the regulator seat.
The 3/8in port and 1810 g mass place it in the GAFC400 size class, a step up from the GAFC300's 1020 g for heavier duty. It operates over 0.15-0.9 MPa (20-130 psi) with a 40 um element and a nylon bowl. The 100 cc condensate bowl and 185 cc oil bowl set the service interval, and the catalogue flow curve is plotted to 6000 L/min at 0.7 MPa inlet for sizing.
Airtac GAFC Air Service Unit GAFC400N10SNK Technical Specifications
| Model | Airtac GAFC Air Service Unit GAFC400N10SNK |
|---|---|
| Series | GAFC400 F.R.L. combination |
| Port size | 3/8" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| Bowl material | Nylon |
| 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. No gauge is supplied with this model — the gauge connection on a GAFC400 is 1/4" if you add one.
Model Code: Airtac GAFC Air Service Unit GAFC400N10SNK
| GAFC400 | GA400 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). |
| 10 | Port size 3/8". 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). |
| N | No pressure gauge; 1/4" 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: GAFR400-10 filter & regulator, GAL400-10 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 | GAFC400 · 3/8" · curve to 6000 L/min |
|---|---|
| One size down | GAFC300 |
| One size up | GAFC500 (curve to 7000 L/min) |
| Build order | Filter & regulator → bracket → lubricator |
Where the Airtac GAFC Air Service Unit GAFC400N10SNK Is Used
Precision valve actuation
Feed a bank of 3/8in solenoid valves on an assembly fixture, where the 40 um element and regulated 0.15-0.9 MPa band keep actuation consistent.
Machine tool lubrication
Supply a small machining center's way-lubrication manifold, using the 185 cc oil bowl to maintain a steady oil mist over a shift.
Test bench air prep
Condition air for a pneumatic test bench with multiple actuators, relying on the 100 cc condensate bowl to handle moisture from a wet compressor line.
Is the Airtac GAFC Air Service Unit GAFC400N10SNK the Right Air-Prep Unit?
The GAFC400N10SNK carries a nylon bowl, a build choice that does not change the shared 1.0 MPa (145 psi) max and -5 to 70 C rating, so confirm the material suits your surroundings. The semi-auto drain dumps condensate on each pressure drop while the manual drain works on demand, and the 100 cc bowl sets the attendance interval. No gauge is supplied, so the set pressure cannot be read without adding one to the 1/4in gauge connection. The reverse-flow (reflux) valve is fitted, and the PT thread carries a MPa/psi scale if a gauge is added later. Spares are orderable as the GAFR400-10 filter-regulator and the GAL400-10 lubricator. Since the lubricator adds oil mist, choose a plain GAFR if the line must stay oil-free. Max supply of 1.0 MPa leaves about 0.1 MPa above the 0.9 MPa top of the range, so plan the inlet pressure accordingly.
Quick checklist
- ✓ Body size for your peak flow (3/8" 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 100 cc bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Support the 1810 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 GAFR400-10 filter-regulator on that branch instead of the full combination.
Airtac GAFC Air Service Unit GAFC400N10SNK FAQ
It is an F.R.L. combination with a 3/8in port, working range 0.15-0.9 MPa (20-130 psi), max pressure 1.0 MPa (145 psi), proof pressure 1.5 MPa (215 psi), and temperature range -5 to 70 C. The drain bowl holds 100 cc and the oil bowl 185 cc, with a total weight of 1810 g. It uses a 40 um element and recommends ISO VG 32 lubricant.
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 circular gauge later if you need to read the set pressure directly. The PT thread uses a MPa/psi scale when a gauge is fitted.
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