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AirTAC GAFC300 · F.R.L. Combination (Filter-Regulator + Lubricator)

Airtac GAFC Air Service Unit GAFC300N10ALNWK

The AirTAC Airtac GAFC Air Service Unit GAFC300N10ALNWK 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 - 0.4 MPa (20 - 58 psi).

  • TypeF.R.L. combination
  • Port size3/8"
  • Pressure range0.15 - 0.4 MPa (20 - 58 psi)
  • Filtering grade5 µm
  • Bowl materialNylon
  • Drainautomatic
  • Pressure gaugeNot fitted
  • Weight1020 g
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About the Airtac GAFC Air Service Unit GAFC300N10ALNWK

This AirTAC GAFC300N10ALNWK 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. Air is cleaned and set to pressure in the first body, then the lubricator adds a controlled oil mist downstream, so oil never passes back through the regulator seat. With a 3/8in port and 1020 g mass, it suits panel or frame mounting rather than tubing support.

The lower-pressure type regulates from 0.15 to 0.4 MPa (20-58 psi), with a 5 um element for finer filtration. The nylon bowl is named as a build choice, but the catalogue gives no impact or chemical data, so confirm it suits your environment. An automatic drain clears condensate without an operator, and the 60 cc drain bowl plus 98 cc oil bowl set the service interval. No gauge is supplied; the 1/8in gauge connection allows one to be added later.

Airtac GAFC Air Service Unit GAFC300N10ALNWK Technical Specifications

ModelAirtac GAFC Air Service Unit GAFC300N10ALNWK
SeriesGAFC300 F.R.L. combination
Port size3/8" (PT thread)
Filtering grade5 µm
Pressure range0.15 - 0.4 MPa (20 - 58 psi)
TypeLower pressure
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 bowl60 cc
Capacity of oil bowl98 cc
Recommended lubricantISO VG 32 or equivalent
Weight1020 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 GAFC300N10ALNWK

GAFC300GA300 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 08 = 1/4", 10 = 3/8", 15 = 1/2".
ADrain: Automatic drain.
LLower pressure type — 0.15 - 0.4 MPa (20 - 58 psi). This body offers Standard (S) or Lower pressure (L).
NNo pressure gauge; 1/8" gauge connection.
WFiltering grade 5 µm.
(blank)PT thread; gauge scale MPa / psi.
KReverse-flow (reflux) valve attached.

Constituent units, orderable separately as spares: GAFR300-10 filter & regulator, GAL300-10 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 modelGAFC300 · 3/8" · curve to 3500 L/min
One size downGAFC200
One size upGAFC400 (curve to 6000 L/min)
Build orderFilter & regulator → bracket → lubricator

Where the Airtac GAFC Air Service Unit GAFC300N10ALNWK Is Used

precision_manufacturing

Precision valve control

Feed a 5 um-filtered, lower-pressure supply to a precision pneumatic valve on a small assembly fixture, where fine particles could otherwise affect spool movement.

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Light conveyor lubrication

Lubricate the actuators on a short packaging conveyor line, using the automatic drain to handle condensate from a humid plant air supply without manual checks.

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Instrument air bench

Set up a test bench for sensitive instruments at 0.4 MPa, with the 5 um element protecting the instrument internals and the lower-pressure range matching the required setpoint.

Is the Airtac GAFC Air Service Unit GAFC300N10ALNWK the Right Air-Prep Unit?

Choose this GAFC300N10ALNWK when your circuit needs a lower regulated ceiling of 0.4 MPa (20-58 psi) and fine 5 um filtration. The nylon bowl is specified by the N before the port, while the automatic drain (A) handles wet or unattended lines. The reverse-flow (reflux) valve is fitted per the K code, shown as a separate symbol in the catalogue. For a higher pressure range, step to the standard S type at 0.15-0.9 MPa; for coarser filtration, drop the W for a 40 um element. The gauge connection is 1/8in, and the PT thread carries an MPa/psi scale if you add a gauge. Spares are orderable as the GAFR300-10 filter & regulator and the GAL300-10 lubricator, both matching this body-port. With a 1.0 MPa max supply, you have about 0.6 MPa above the 0.4 MPa top of the range, so plan the inlet pressure carefully if you need to run near the ceiling.

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 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 GAFR300-10 filter-regulator on that branch instead of the full combination.

Airtac GAFC Air Service Unit GAFC300N10ALNWK FAQ

This lower-pressure F.R.L. combination operates at 0.15-0.4 MPa (20-58 psi), with a max pressure of 1.0 MPa (145 psi) and proof pressure of 1.5 MPa (215 psi). It works in -5 to 70 C temperatures and needs ISO VG 32 lubricant. The drain bowl holds 60 cc, the oil bowl 98 cc, and the unit weighs 1020 g with a 3/8in port.

The N after the port code means no gauge is supplied with this unit. The GAFC300 body has a 1/8in gauge connection, so you can add a compatible gauge later if you need to read the set pressure. The PT thread on the connection uses an MPa/psi scale.

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