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AirTAC GAR300 · Air Pressure Regulator

Airtac GAR Air Regulator GAR30010SJ

The AirTAC GAR Air Regulator GAR30010SJ is a genuine compressed-air pressure regulator. It sets and holds a steady downstream pressure across the 0.05 - 0.9 MPa range, with 3/8" ports and a built-in circular pressure gauge. It regulates pressure only — it does not filter the air or remove water.

  • TypeAir regulator
  • Port size3/8"
  • Pressure range0.05 - 0.9 MPa
  • RegulationStandard
  • GaugeCircular
  • Reflux valveNo
  • Max pressure1.0 MPa
  • Weight300 g
$32.98 $38.89Save 15% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac GAR Air Regulator GAR30010SJ

The GAR30010SJ is an air pressure regulator that takes a higher supply and holds a steady downstream pressure you set with the knob and read on the circular gauge. It does not filter, clean, or dry the air, and it has no drain bowl or filter element.

This standard-type unit regulates 0.05-0.9 MPa (7-130 psi) with a 3/8in port and a 300 g body. The pressed-in self-locking knob keeps the set pressure from drifting when the machine vibrates, so a clamp or tool holds its force through a shift.

Airtac GAR Air Regulator GAR30010SJ Technical Specifications

ModelAirtac GAR Air Regulator GAR30010SJ
SeriesGAR300 air regulator
Port size3/8" (PT thread)
Regulation typeStandard
Pressure range0.05 - 0.9 MPa (7 - 130 psi)
Pressure gaugeCircular, MPa / psi scale
BracketNot included (J)
Reflux valveNone
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 GAR30010SJ

GAR300GA300 series air regulator — sets the port range and weight class.
10Port size 3/8". 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).
JNo bracket (J) — panel mount or existing bracket.
(blank)Circular pressure gauge fitted.
(blank)PT thread; gauge scale MPa / psi.
(blank)No reverse-flow (reflux) valve.

A GAR regulates pressure but does not filter — there is no bowl, element or drain code. Need to clean the air too? The matching GAFR300-10 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 · 3/8" · 300 g
One size downGAR200
One size upGAR400
Add filtrationGAFR300-10 (filter + regulator)

Where the Airtac GAR Air Regulator GAR30010SJ Is Used

precision_manufacturing

Single-station clamp

Set 0.4 MPa to a pneumatic clamp on a drill fixture. The self-locking knob holds the force steady through repeated cycles, and the 3/8in port feeds the cylinder directly.

handyman

Bench air tool

Regulate a die grinder or air screwdriver on a repair bench. The 300 g body mounts to a panel, and the gauge lets the operator confirm the tool runs at the rated pressure.

engineering

Test rig supply

Feed a prototype test jig with a stable 0.6 MPa from a shop line. The balanced design holds the setpoint as the upstream supply fluctuates, keeping test conditions repeatable.

Is the Airtac GAR Air Regulator GAR30010SJ the Right Regulator?

Choose the GAR30010SJ when a 3/8in line needs a standard 0.05-0.9 MPa regulated band and you will mount the regulator to a panel or existing bracket, since the J code omits the mounting bracket. The fitted circular gauge reads MPa/psi on the PT thread, matching the crew's usual units. If the air also needs cleaning, step up to the matching GAFR300-10 filter-regulator or add a GAF filter upstream, because a plain GAR does not remove water or particles. The standard type's adjustable span of 0.85 MPa is about 2.4x the lower type's 0.35 MPa band, giving you a much wider setpoint range.

Quick checklist

  • ✓ Body size for your air demand (3/8" 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 GAFR300-10 filter-regulator as your air-prep needs grow.

Airtac GAR Air Regulator GAR30010SJ FAQ

The GAR30010SJ regulates air from 0.05 to 0.9 MPa (7-130 psi). Maximum supply pressure is 1.0 MPa (145 psi), proof pressure is 1.5 MPa (215 psi), and the temperature range is -20 to 70 C. The unit weighs 300 g and has a 3/8in port.

The J means the mounting bracket is not included. You mount this regulator to a panel or use your own existing bracket. The gauge is still fitted, and the thread is PT with an MPa/psi scale.

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