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AirTAC GAFR300 · Filter & Regulator (Filter + Pressure Regulator, One Body)

Airtac GAFR Adjustable Filter Regulator GAFR30010LNWK

The AirTAC Airtac GAFR Adjustable Filter Regulator GAFR30010LNWK is a genuine two-in-one filter & regulator — a diversion-type water/particulate filter and a balanced pressure regulator built into ONE body. It has 3/8" ports, a 5 µm filter element and regulates 0.15 - 0.4 MPa (20 - 58 psi). It has no lubricator, so it adds no oil to the airflow.

  • TypeFilter & regulator
  • Port size3/8"
  • Pressure range0.15 - 0.4 MPa (20 - 58 psi)
  • Filtering grade5 µm
  • Bowl materialPC
  • Drainsemi-auto + manual
  • Pressure gaugeNot fitted
  • Weight500 g
$46.06 $52.85Save 12% Standard model — ready in 3-5 business days to process and dispatch
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  • 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.
Compare every GAFR300-10 bowl, gauge and thread option on one page All GAFR300-10 codes →
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About the Airtac GAFR Adjustable Filter Regulator GAFR30010LNWK

The GAFR30010LNWK is a filter and regulator combined into one body, so it cleans incoming air and sets a steady outlet pressure without needing separate units. This model uses a 3/8in port, a lower-pressure range of 0.15-0.4 MPa (20-58 psi), and a 5 um element that traps finer particles for sensitive equipment.

The unit weighs 500 g and includes a 60 cc condensate bowl, which collects the water and solids separated by the internal diversion structure. A reverse-flow (reflux) valve is fitted, and the mounting bracket is included, making it ready for panel installation.

Airtac GAFR Adjustable Filter Regulator GAFR30010LNWK Technical Specifications

ModelAirtac GAFR Adjustable Filter Regulator GAFR30010LNWK
SeriesGAFR300 filter & regulator
Port size3/8" (PT thread)
Filtering grade5 µm
Pressure range0.15 - 0.4 MPa (20 - 58 psi)
TypeLower pressure
Bowl materialPC
Drain typeSemi-auto drain + manual 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
BracketIncluded
Weight500 g

Specifications follow the official AirTAC GAFR catalogue (pages 235-236). Air must not freeze in the unit. No gauge is supplied with this model — the gauge connection on a GAFR300 is 1/8" if you add one. This unit filters and regulates only; it does not add lubrication.

Model Code: Airtac GAFR Adjustable Filter Regulator GAFR30010LNWK

GAFR300GA300 series filter & regulator — sets the port range, drain-bowl capacity and weight.
(blank)Bowl material: PC. 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".
(blank)Drain: Semi-auto drain + manual drain.
LLower pressure type — 0.15 - 0.4 MPa (20 - 58 psi). This body offers Standard (S) or Lower pressure (L).
(blank)Mounting bracket included.
NNo pressure gauge; 1/8" gauge connection.
WFiltering grade 5 µm.
(blank)PT thread; gauge scale MPa / psi.
KReverse-flow (reflux) valve attached.

The filter and the regulator are ONE body here — there is no separate GAF filter or GAR regulator part to assemble. Need lubrication downstream too? Add a lubricator by ordering the matching GAFC300-10 F.R.L. combination instead.

Size Class & Flow Envelope

  • GAFR2001/8"-1/4" · 2000 L/min
  • GAFR3001/4"-1/2" · 3500 L/min
  • GAFR4003/8"-1/2" · 7000 L/min
  • GAFR5003/4" · 8000 L/min
  • GAFR6003/4"-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 modelGAFR300 · 3/8" · curve to 3500 L/min
One size downGAFR200
One size upGAFR400 (curve to 7000 L/min)
Add a lubricatorGAFC300-10 (F.R.L. combination)

Where the Airtac GAFR Adjustable Filter Regulator GAFR30010LNWK Is Used

precision_manufacturing

Precision valve control

Feed a 5 um filtered, regulated air supply to a precision pneumatic valve that needs stable low pressure for consistent actuation.

science

Lab instrument air

Supply clean, low-pressure air to a laboratory instrument or test rig where fine filtration and a 0.4 MPa ceiling protect sensitive components.

handyman

Single jig or fixture

Mount this unit on a small assembly jig or single actuator station, using the included bracket for a secure, space-saving installation.

Is the Airtac GAFR Adjustable Filter Regulator GAFR30010LNWK the Right Air-Prep Unit?

Choose the GAFR30010LNWK when your circuit needs a compact filter-regulator with a 3/8in port and a lower-pressure ceiling of 0.4 MPa. The 5 um element suits precision valves or instrument air, while the semi-auto plus manual drain gives you both automatic purging and a manual override. The PC bowl is the standard build, and the included bracket simplifies mounting; if you need a gauge later, the 1/8in connection is ready for one. For lines that require lubrication downstream, order the matching GAFC300-10 combination instead. With a 1.0 MPa max supply, you have about 0.6 MPa of headroom above the 0.4 MPa regulated top, which is useful for maintaining stable output even if inlet pressure fluctuates.

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
  • ✓ Bracket kept or removed (J); add a lubricator = GAFC
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Installation & Maintenance Notes

  • check Install with the airflow arrow: IN to OUT, gauge/knob accessible.
  • check Keep inlet pressure at or below 1.0 MPa (145 psi).
  • check Set pressure with the pressed-in self-locking knob; pull to adjust, press to lock.
  • check Drain condensate before the 60 cc bowl fills.
  • check Keep the unit above freezing (-5 to +70 °C, unfreeze).
  • check Support the 500 g unit on its bracket, not on the tubing.

This is a filter and regulator only — it delivers filtered, pressure-set air with no added oil. If a downstream tool needs lubrication, add a separate lubricator or order the GAFC300-10 combination; do not expect an oil mist from this unit.

Airtac GAFR Adjustable Filter Regulator GAFR30010LNWK FAQ

The GAFR30010LNWK is a filter & regulator with a 3/8in port, a lower-pressure range of 0.15-0.4 MPa (20-58 psi), and a maximum pressure of 1.0 MPa (145 psi). Proof pressure is 1.5 MPa (215 psi), and the operating temperature range is -5 to 70 C. It has a 60 cc drain bowl, weighs 500 g, and comes with a 5 um element and a semi-auto plus manual drain.

The K indicates a reverse-flow (reflux) valve is fitted to the GAFR30010LNWK. This is an ordering difference from models without the K code; the valve is drawn as a separate pneumatic symbol in the catalogue. Its specific function is detailed on a page not included in our data, so we recommend confirming the operational details from the full AirTAC datasheet.

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