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AirTAC GAFC400 · F.R.L. Combination (Filter-Regulator + Lubricator)

Airtac GAFC Air Service Unit GAFC400N10ASNW

The AirTAC Airtac GAFC Air Service Unit GAFC400N10ASNW 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 5 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 grade5 µm
  • Bowl materialNylon
  • Drainautomatic
  • Pressure gaugeNot fitted
  • Weight1810 g
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About the Airtac GAFC Air Service Unit GAFC400N10ASNW

This GAFC400N10ASNW 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 3/8in port and 1810 g weight place it in the mid-size class, suited for machine headers feeding several actuators. The nylon bowl is specified by the N before the port code, and the shared specification of 1.0 MPa max pressure and -5 to 70 C applies regardless of bowl material.

Air passes through the 5 um element in the first body, where solids and moisture are removed and pressure is set to 0.15-0.9 MPa (20-130 psi). The lubricator then adds a metered oil mist downstream, so oil never travels back through the regulator seat. The automatic drain clears condensate from the 100 cc bowl without operator attention, while the 185 cc oil bowl extends time between refills. No gauge is supplied, but the 1/4in gauge connection allows one to be added later.

Airtac GAFC Air Service Unit GAFC400N10ASNW Technical Specifications

ModelAirtac GAFC Air Service Unit GAFC400N10ASNW
SeriesGAFC400 F.R.L. combination
Port size3/8" (PT thread)
Filtering grade5 µm
Pressure range0.15 - 0.9 MPa (20 - 130 psi)
TypeStandard
Bowl materialNylon
Drain typeAutomatic drain
FluidAir
Max. pressure1.0 MPa (145 psi)
Proof pressure1.5 MPa (215 psi)
Temperature range-5 to +70 °C (unfreeze)
Capacity of drain bowl100 cc
Capacity of oil bowl185 cc
Recommended lubricantISO VG 32 or equivalent
Weight1810 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 GAFC400N10ASNW

GAFC400GA400 series F.R.L. unit — sets ports, bowl capacity and weight.
NBowl material: Nylon. Available on this body: PC (blank), Metal (C), Nylon (N).
10Port size 3/8". This body offers 10 = 3/8", 15 = 1/2".
ADrain: Automatic drain.
SStandard type — 0.15 - 0.9 MPa (20 - 130 psi). This body offers Standard (S) or Lower pressure (L).
NNo pressure gauge; 1/4" gauge connection.
WFiltering grade 5 µm.
(blank)PT thread; gauge scale MPa / psi.
(blank)No reverse-flow valve.

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 modelGAFC400 · 3/8" · curve to 6000 L/min
One size downGAFC300
One size upGAFC500 (curve to 7000 L/min)
Build orderFilter & regulator → bracket → lubricator

Where the Airtac GAFC Air Service Unit GAFC400N10ASNW Is Used

precision_manufacturing

Precision Valve Protection

Feed a bank of pneumatic directional control valves on a packaging machine, where the 5 um element traps fine particles that could otherwise cause spool sticking or premature seal wear.

factory

Machine Tool Lubrication

Supply a CNC machining center's way-lubrication system, where the automatic drain handles condensate from a wet shop-air line and the 185 cc oil bowl maintains consistent mist delivery.

engineering

Multi-Actuator Header

Power a small assembly station with multiple cylinders and rotary actuators, using the 3/8in port to distribute filtered, regulated, lubricated air from a single compact unit.

Is the Airtac GAFC Air Service Unit GAFC400N10ASNW the Right Air-Prep Unit?

Choose this GAFC400N10ASNW when you need 3/8in ports with a 5 um element for finer filtration, protecting precision valves or instrument air. The automatic drain suits unattended lines or wet conditions, removing the need for manual checks. The nylon bowl is a build choice; confirm it suits your environment, as the catalogue provides no material-specific ratings. The standard pressure type covers 0.15-0.9 MPa (20-130 psi), with a 1.0 MPa (145 psi) maximum supply. No gauge is fitted, so plan to read pressure via the 1/4in connection if needed. The PT thread carries an MPa/psi scale on any gauge you add. Spare parts are the GAFR400-10 filter-regulator and GAL400-10 lubricator, both orderable separately. The catalogue flow curve plots to 6000 L/min at 0.7 MPa inlet, useful for relative sizing against the GAFC300's 3500 L/min envelope. Max supply of 1.0 MPa leaves about 0.1 MPa above the 0.9 MPa top of the regulated range, so plan inlet pressure carefully if you need the full output.

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)
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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 GAFC400N10ASNW FAQ

The GAFC400N10ASNW operates at 0.15-0.9 MPa (20-130 psi) with a maximum supply of 1.0 MPa (145 psi) and proof pressure of 1.5 MPa (215 psi). Temperature range is -5 to 70 C. It has a 100 cc drain bowl and a 185 cc oil bowl, weighs 1810 g, and uses a 5 um filter element. Recommended lubricant is ISO VG 32 oil. The unit has no gauge fitted, but the 1/4in gauge connection allows one to be added.

The N after the port code means no gauge is supplied with this GAFC400N10ASNW. To read the set pressure, you must add a gauge to the 1/4in connection port on the regulator body. The PT thread means any gauge you install should use an MPa/psi scale. This configuration is chosen when a panel-mounted or remote gauge is preferred, or when the setpoint is fixed and verified during commissioning.

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