Airtac GAR Air Regulator GAR30015LN
The AirTAC Airtac GAR Air Regulator GAR30015LN is a genuine compressed-air pressure regulator. It sets and holds a steady downstream pressure across the 0.05 - 0.4 MPa range, with 1/2" 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 size1/2"
- Pressure range0.05 - 0.4 MPa
- RegulationLower pressure
- GaugeNone (N)
- Reflux valveNo
- Max pressure1.0 MPa
- Weight300 g
About the Airtac GAR Air Regulator GAR30015LN
The GAR30015LN is an air pressure regulator that takes a higher supply and holds a steady, lower downstream pressure you set with its knob. It is a regulator only - it does not filter the air, remove water, or separate particles, and it has no drain bowl or filter element. This 1/2in port model weighs 300 g and uses 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 keeps its tuning. The balanced adjustment mechanism also holds the setting as supply pressure varies. With no gauge fitted, you read pressure on the line's own panel gauge. The included mounting bracket supports the 300 g unit properly rather than leaving it hanging from the tubing.
Airtac GAR Air Regulator GAR30015LN Technical Specifications
| Model | Airtac GAR Air Regulator GAR30015LN |
|---|---|
| Series | GAR300 air regulator |
| Port size | 1/2" (PT thread) |
| Regulation type | Lower pressure |
| Pressure range | 0.05 - 0.4 MPa (7 - 58 psi) |
| Pressure gauge | None (N) — MPa / psi port |
| Bracket | Included |
| Reflux valve | None |
| 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 GAR30015LN
| GAR300 | GA300 series air regulator — sets the port range and weight class. |
|---|---|
| 15 | Port size 1/2". 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). |
| (blank) | Mounting bracket included. |
| N | No gauge (N) — for a line with a panel gauge already. |
| (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 GAFR300-15 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 · 1/2" · 300 g |
|---|---|
| One size down | GAR200 |
| One size up | GAR400 |
| Add filtration | GAFR300-15 (filter + regulator) |
Where the Airtac GAR Air Regulator GAR30015LN Is Used
Low-pressure clamping
Set a gentle, repeatable clamp force on a delicate workpiece where the supply line runs higher. The L type's finer low-band resolution keeps the force stable without over-pressing.
Lab air supply
Feed a bench manifold for experiments needing a soft, controlled air supply. The 1/2in port handles modest lab demand while the regulator holds the low setpoint against supply swings.
Paint or blow-off station
Regulate a spray gun or blow-off nozzle to a low, even pressure. The self-locking knob keeps the setting from drifting as the station vibrates during use.
Is the Airtac GAR Air Regulator GAR30015LN the Right Regulator?
Choose the GAR300 body for 1/2in port lines needing a 300 g regulator; step down to a GAR200 (170 g) for 1/4in ports or up to a GAR400 (570 g) for 3/8in and 1/2in ports with heavier demand. This L type regulates only 0.05-0.4 MPa (7-58 psi), so it suits low-pressure work but cannot reach a 0.5-0.6 MPa setpoint - pick an S type for standard machines. The N means no gauge is fitted, so rely on a panel gauge; the bracket is included for panel mounting. PT threads read MPa/psi on any gauge you add. If the line also needs clean air, use a GAFR300-15 or a GAF filter upstream. The S type's 0.05-0.9 MPa band (0.85 MPa wide) spans about 2.4x this L type's 0.05-0.4 MPa band (0.35 MPa wide).
Quick checklist
- ✓ Body size for your air demand (1/2" 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 GAFR300-15 filter-regulator as your air-prep needs grow.
Airtac GAR Air Regulator GAR30015LN FAQ
The GAR30015LN is a lower-pressure air regulator with a 1/2in 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 and has no gauge fitted.
The L type regulates only 0.05-0.4 MPa (7-58 psi), giving finer resolution over that low band for delicate tasks. It cannot reach a 0.5-0.6 MPa setpoint at all, so it is the wrong part for standard machines - choose an S type for 0.05-0.9 MPa (7-130 psi) instead.
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