Airtac GAR Air Regulator GAR30010LJNK
The AirTAC Airtac GAR Air Regulator GAR30010LJNK is a genuine compressed-air pressure regulator. It sets and holds a steady downstream pressure across the 0.05 - 0.4 MPa range, with 3/8" ports and a no-gauge (N) port for a panel gauge. It regulates pressure only — it does not filter the air or remove water.
- TypeAir regulator
- Port size3/8"
- Pressure range0.05 - 0.4 MPa
- RegulationLower pressure
- GaugeNone (N)
- Reflux valveYes (K)
- Max pressure1.0 MPa
- Weight300 g
About the Airtac GAR Air Regulator GAR30010LJNK
The GAR30010LJNK is an air pressure regulator that takes a higher supply pressure and holds a steady, lower downstream pressure you set with its knob. It does not filter or clean the air and has no drain bowl or filter element; it only regulates pressure. This unit has a 3/8in port, weighs 300 g, and is the lower-pressure type, regulating from 0.05-0.4 MPa (7-58 psi).
Its pressed-in self-locking knob stops the set pressure drifting from vibration or accidental knocks, so a machine cycle stays consistent. The balanced adjustment design also holds the setting as supply pressure varies, protecting downstream equipment from swings. With no gauge fitted, you read the line's own panel gauge instead, and the included reverse-flow (reflux) valve is attached for specific circuit needs.
Airtac GAR Air Regulator GAR30010LJNK Technical Specifications
| Model | Airtac GAR Air Regulator GAR30010LJNK |
|---|---|
| Series | GAR300 air regulator |
| Port size | 3/8" (PT thread) |
| Regulation type | Lower pressure |
| Pressure range | 0.05 - 0.4 MPa (7 - 58 psi) |
| Pressure gauge | None (N) — MPa / psi port |
| Bracket | Not included (J) |
| Reflux valve | Attached (K) |
| Fluid | Air |
|---|---|
| Max. pressure | 1.0 MPa (145 psi) |
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature range | -20 to +70 °C |
| Adjustment | Self-locking press-in knob |
| Mounting | Panel + optional bracket |
| Weight | 300 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 GAR30010LJNK
| GAR300 | GA300 series air regulator — sets the port range and weight class. |
|---|---|
| 10 | Port size 3/8". This body offers 08 = 1/4", 10 = 3/8", 15 = 1/2". |
| L | Lower pressure regulation: 0.05 - 0.4 MPa (7 - 58 psi). This body offers S (standard) or L (lower pressure). |
| J | No bracket (J) — panel mount or existing bracket. |
| N | No gauge (N) — for a line with a panel gauge already. |
| (blank) | PT thread; gauge scale MPa / psi. |
| K | Reverse-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 GAFR300-10 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 model | GAR300 · 3/8" · 300 g |
|---|---|
| One size down | GAR200 |
| One size up | GAR400 |
| Add filtration | GAFR300-10 (filter + regulator) |
Where the Airtac GAR Air Regulator GAR30010LJNK Is Used
Low-pressure clamping
Set a gentle 0.2 MPa (29 psi) for a delicate part clamp on a light assembly fixture, where the lower range gives fine control without over-stressing the workpiece.
Lab air bench
Feed a stable 0.1 MPa (14 psi) to a small pneumatic test rig or lab instrument that needs a precise low pressure, with the self-locking knob keeping the setpoint steady.
Painting or coating line
Regulate a low 0.3 MPa (43 psi) for a small spray gun or coating applicator, where the finer low-band resolution helps maintain a consistent finish.
Is the Airtac GAR Air Regulator GAR30010LJNK the Right Regulator?
Choose the body and port first: the GAR300 with a 3/8in port suits moderate air demand, while the smaller GAR200 (170 g) handles light duties and the larger GAR400 (570 g) feeds bigger lines. This L type regulates only 0.05-0.4 MPa (7-58 psi), giving finer resolution over that low band but never reaching a 0.5-0.6 MPa setpoint, so it is wrong for a standard machine. The J code means no mounting bracket is included, so plan for panel mounting or an existing bracket; the N code means no gauge, so rely on the line's own pressure gauge. Thread is PT with an MPa/psi gauge scale, and the K code indicates a reverse-flow (reflux) valve is fitted. If the air also needs cleaning, use a GAFR or a GAF filter upstream, as this regulator does not filter. The standard S type spans about 2.4x this L type's adjustable band (0.85 MPa vs 0.35 MPa).
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
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 GAR30010LJNK FAQ
The GAR30010LJNK is a lower-pressure regulator with a 3/8in port, regulating from 0.05-0.4 MPa (7-58 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. It weighs 300 g, has no gauge, no bracket, and includes a reflux valve.
The N means no pressure gauge is fitted, so you read the pressure on the line's own panel gauge instead. The K indicates a reverse-flow (reflux) valve is attached to the regulator; it is named here but its function is not detailed in our data.
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