Airtac GAR Air Regulator GAR40015L
The AirTAC Airtac GAR Air Regulator GAR40015L 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 built-in circular pressure 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
- GaugeCircular
- Reflux valveNo
- Max pressure1.0 MPa
- Weight570 g
About the Airtac GAR Air Regulator GAR40015L
The GAR40015L is an air pressure regulator that takes a higher supply pressure and holds a steady, lower downstream pressure you set with the knob and read on the circular gauge. It does not filter or clean the air, and it has no drain bowl or filter element. This lower-pressure model regulates from 0.05 to 0.4 MPa (7-58 psi), with a maximum supply of 1.0 MPa (145 psi) and a proof pressure of 1.5 MPa (215 psi).
This 1/2in unit weighs 570 g, placing it in the mid-size class for machine-level regulation. The pressed-in self-locking knob stops the set pressure drifting from vibration or accidental knocks, so a calibrated setting stays put during a shift. The balanced adjustment mechanism also holds the setpoint as the supply pressure varies, keeping downstream pressure stable without constant re-adjustment.
Airtac GAR Air Regulator GAR40015L Technical Specifications
| Model | Airtac GAR Air Regulator GAR40015L |
|---|---|
| Series | GAR400 air regulator |
| Port size | 1/2" (PT thread) |
| Regulation type | Lower pressure |
| Pressure range | 0.05 - 0.4 MPa (7 - 58 psi) |
| Pressure gauge | Circular, MPa / psi scale |
| 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 | 570 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 GAFR400 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 GAR40015L
| GAR400 | GA400 series air regulator — sets the port range and weight class. |
|---|---|
| 15 | Port size 1/2". This body offers 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. |
| (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 GAFR400-15 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 | GAR400 · 1/2" · 570 g |
|---|---|
| One size down | GAR300 |
| One size up | GAR500 |
| Add filtration | GAFR400-15 (filter + regulator) |
Where the Airtac GAR Air Regulator GAR40015L Is Used
Low-pressure pneumatic clamping
Set a precise 0.2 MPa (29 psi) for a delicate part-holding clamp on an assembly fixture. The self-locking knob keeps the pressure stable through a full production run, and the balanced design holds the setpoint even if the shop supply fluctuates.
Lab air supply regulation
Feed a steady 0.15 MPa (22 psi) to a laboratory pneumatic actuator or a test rig that needs a gentle, repeatable force. The circular gauge with magnifier makes the setpoint easy to read, and the 570 g body mounts securely on a panel.
Spray gun pressure control
Hold a consistent 0.3 MPa (43 psi) for a manual spray gun in a finishing booth. The lower-pressure range gives fine control over the air pressure, and the included bracket lets you mount the regulator near the work station for quick adjustments.
Is the Airtac GAR Air Regulator GAR40015L the Right Regulator?
Choose the GAR40015L when your line needs a regulated pressure in the low band of 0.05-0.4 MPa (7-58 psi) and the port size matches your piping. The L type gives finer resolution over this low range than a standard S type, but it cannot reach a 0.5-0.6 MPa setpoint at all, so verify your required pressure before selecting. The 1/2in port suits medium air demand; if you need a larger flow path, step up to the GAR500 with its 3/4in port and 580 g mass, or drop to the GAR300 with a 3/8in port and 300 g for lighter duty. The mounting bracket is included, the circular gauge reads MPa/psi, and the thread is PT. If the air also needs cleaning, use a GAFR400-15 (filter-regulator) or a separate GAF filter upstream, since this regulator does not filter. The L type's adjustable span of 0.35 MPa is only about 2.4x narrower than the S type's 0.85 MPa band, which is why the L suits low-pressure precision work.
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 GAFR400
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 570 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 GAFR400-15 filter-regulator as your air-prep needs grow.
Airtac GAR Air Regulator GAR40015L FAQ
The GAR40015L is a lower-pressure air regulator with a 1/2in port. It regulates from 0.05 to 0.4 MPa (7-58 psi), with a maximum supply pressure of 1.0 MPa (145 psi) and a proof pressure of 1.5 MPa (215 psi). The operating temperature range is -20 to 70 C, and the unit weighs 570 g. It has a circular gauge fitted and includes a mounting bracket.
The L type regulates only from 0.05 to 0.4 MPa (7-58 psi), which gives finer resolution over that low band compared to the standard S type that spans 0.05-0.9 MPa (7-130 psi). However, the L type cannot reach a 0.5-0.6 MPa setpoint at all, so it is the wrong part for a standard machine running at higher pressures. Choose L only when your application needs precise low-pressure control.
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