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AirTAC GAR300 · Air Pressure Regulator

Airtac GAR Air Regulator GAR30008SK

The AirTAC GAR Air Regulator GAR30008SK is a genuine compressed-air pressure regulator. It sets and holds a steady downstream pressure across the 0.05 - 0.9 MPa range, with 1/4" ports and a built-in circular pressure gauge. It regulates pressure only — it does not filter the air or remove water.

  • TypeAir regulator
  • Port size1/4"
  • Pressure range0.05 - 0.9 MPa
  • RegulationStandard
  • GaugeCircular
  • Reflux valveYes (K)
  • Max pressure1.0 MPa
  • Weight300 g
$44.94 $51.66Save 13% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac GAR Air Regulator GAR30008SK

The GAR30008SK is an air pressure regulator that takes a variable supply and holds a steady downstream pressure you set with the knob and read on the fitted circular gauge. It does not filter the air or remove water, oil or particles - it only regulates pressure. This 1/4in model weighs 300 g and covers the standard 0.05-0.9 MPa (7-130 psi) range.

The pressed-in self-locking knob keeps the setpoint from drifting when the machine vibrates or the knob gets knocked, so a calibrated pressure stays put through a shift. The balanced adjustment mechanism also holds the setting as the supply pressure fluctuates, which protects downstream components from swings. A reverse-flow (reflux) valve is attached to this unit.

Airtac GAR Air Regulator GAR30008SK Technical Specifications

ModelAirtac GAR Air Regulator GAR30008SK
SeriesGAR300 air regulator
Port size1/4" (PT thread)
Regulation typeStandard
Pressure range0.05 - 0.9 MPa (7 - 130 psi)
Pressure gaugeCircular, MPa / psi scale
BracketIncluded
Reflux valveAttached (K)
FluidAir
Max. pressure1.0 MPa (145 psi)
Proof pressure1.5 MPa (215 psi)
Temperature range-20 to +70 °C
AdjustmentSelf-locking press-in knob
MountingPanel + optional bracket
Weight300 g

Specifications follow the official AirTAC GAR catalogue (pages 228-229). This is a regulator only — it sets and holds a downstream pressure but does not filter the air or separate water. To clean the air as well, use the matching GAFR300 filter-regulator or add a GAF filter upstream. Never run above the 1.5 MPa (215 psi) proof pressure.

Model Code: Airtac GAR Air Regulator GAR30008SK

GAR300GA300 series air regulator — sets the port range and weight class.
08Port size 1/4". This body offers 08 = 1/4", 10 = 3/8", 15 = 1/2".
SStandard regulation: 0.05 - 0.9 MPa (7 - 130 psi). This body offers S (standard) or L (lower pressure).
(blank)Mounting bracket included.
(blank)Circular pressure gauge fitted.
(blank)PT thread; gauge scale MPa / psi.
KReverse-flow (reflux) valve attached (K).

A GAR regulates pressure but does not filter — there is no bowl, element or drain code. Need to clean the air too? The matching GAFR300-08 is the same regulator with a built-in filter.

Size Class

  • GAR2001/8"-1/4" · 170 g
  • GAR3001/4"-1/2" · 300 g
  • GAR4003/8"-1/2" · 570 g
  • GAR5003/4" · 580 g
  • GAR6003/4"-1" · 1390 g

All bodies share the same 0.05-0.9 MPa (S) regulated range, 1.0 MPa max and 1.5 MPa proof; the body number sets the port size and the flow the regulator can pass. Bigger ports feed higher air demand. The catalogue plots a flow curve at 0.7 MPa inlet but prints no numeric envelope, so size by port and weight and confirm the curve for a real duty point.

This modelGAR300 · 1/4" · 300 g
One size downGAR200
One size upGAR400
Add filtrationGAFR300-08 (filter + regulator)

Where the Airtac GAR Air Regulator GAR30008SK Is Used

precision_manufacturing

Precision clamping fixtures

Set a stable 0.3 MPa for a pneumatic clamp on a machining fixture. The self-locking knob keeps the force consistent across a production run, so parts do not shift between cycles.

build

Bench-mounted air tools

Feed a single screwdriver or grinder on a workbench. The 1/4in port matches small tool inlets, and the gauge lets the operator confirm the pressure before each job.

science

Lab test rigs

Regulate supply to a test cylinder or valve in a laboratory setup. The 300 g body mounts on a panel or bracket, and the balanced design holds the setpoint as the shop air fluctuates.

Is the Airtac GAR Air Regulator GAR30008SK the Right Regulator?

Choose the GAR30008SK when your line needs a 1/4in port and the standard 0.05-0.9 MPa (7-130 psi) band. The S type suits typical machine pressures; the L type only reaches 0.4 MPa, so it cannot hit a 0.5-0.6 MPa setpoint. This unit keeps the mounting bracket and the circular gauge with MPa/psi scale, and it carries the K reflux valve. If you also need clean air, step up to a GAFR300-08 filter-regulator or put a GAF filter upstream - the GAR never cleans the air. The S type's adjustable band is about 2.4x the L type's span (0.85 MPa vs 0.35 MPa).

Quick checklist

  • ✓ Body size for your air demand (1/4" here)
  • ✓ Type S (0.05-0.9) or L (0.05-0.4 MPa)
  • ✓ Gauge fitted, or no gauge (N)
  • ✓ Thread PT / G / NPT (sets gauge scale)
  • ✓ Bracket kept or removed (J)
  • ✓ Need filtration too? Use GAFR300
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Installation & Setting Notes

  • check Install with the airflow arrow: IN to OUT, knob accessible.
  • check Put a filter (GAF or a GAFR) UPSTREAM — a regulator does not clean the air.
  • check Set pressure by turning the knob up to the target, then press it in to lock.
  • check Keep supply at or below the 1.0 MPa (145 psi) max working pressure.
  • check Never exceed the 1.5 MPa (215 psi) proof pressure.
  • check Support the 300 g unit on its panel or bracket, not on the tubing.

This is a regulator only — it sets and holds pressure but does not filter or lubricate. Add a GAF filter, a GAL lubricator, or step up to the GAFR300-08 filter-regulator as your air-prep needs grow.

Airtac GAR Air Regulator GAR30008SK FAQ

The GAR30008SK is a regulator-only unit with a 1/4in port and a 300 g weight. It regulates air from 0.05-0.9 MPa (7-130 psi), with a 1.0 MPa (145 psi) max supply and 1.5 MPa (215 psi) proof pressure. The temperature range is -20 to 70 C. It has a fitted circular gauge with MPa/psi scale and includes the mounting bracket.

The K indicates a reverse-flow (reflux) valve is attached to the regulator. This is a factory-fitted option on the unit. The GAR itself remains a regulator only - it does not filter or clean the air, so install a GAF or GAFR upstream if the line needs filtration.

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