
The AirTAC Airtac GAFR Adjustable Filter Regulator GAFR30015LK is a genuine two-in-one filter & regulator — a diversion-type water/particulate filter and a balanced pressure regulator built into ONE body. It has 1/2" ports, a 40 µm filter element and regulates 0.15 - 0.4 MPa (20 - 58 psi). It has no lubricator, so it adds no oil to the airflow.
This AirTAC GAFR30015LK is a filter and regulator combined in a single body, handling both air cleaning and pressure control at a 1/2in port. It operates in the lower pressure band of 0.15-0.4 MPa (20-58 psi) and uses a 40 um element to trap solid particles and liquid water.
The diversion structure spins the incoming air to separate water and solids into the 60 cc condensate bowl, while the balanced regulator holds the set outlet pressure steady as supply varies. The pressed-in self-locking knob resists drift from vibration, and the unit weighs 500 g, so it needs a proper panel or frame mount rather than support from the tubing.
| Model | Airtac GAFR Adjustable Filter Regulator GAFR30015LK |
|---|---|
| Series | GAFR300 filter & regulator |
| Port size | 1/2" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.4 MPa (20 - 58 psi) |
| Type | Lower pressure |
| Bowl material | PC |
| Drain type | Semi-auto drain + manual drain |
| Fluid | Air |
|---|---|
| Max. pressure | 1.0 MPa (145 psi) |
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Capacity of drain bowl | 60 cc |
| Bracket | Included |
| Weight | 500 g |
Specifications follow the official AirTAC GAFR catalogue (pages 235-236). Air must not freeze in the unit. The fitted circular gauge reads in MPa / psi, set by the PT thread code. This unit filters and regulates only; it does not add lubrication.
| GAFR300 | GA300 series filter & regulator — sets the port range, drain-bowl capacity and weight. |
|---|---|
| (blank) | Bowl material: PC. Available on this body: PC (blank), Metal (C), Nylon (N). |
| 15 | Port size 1/2". This body offers 08 = 1/4", 10 = 3/8", 15 = 1/2". |
| (blank) | Drain: Semi-auto drain + manual drain. |
| L | Lower pressure type — 0.15 - 0.4 MPa (20 - 58 psi). This body offers Standard (S) or Lower pressure (L). |
| (blank) | Mounting bracket included. |
| (blank) | Circular pressure gauge fitted. |
| (blank) | Filtering grade 40 µm. |
| (blank) | PT thread; gauge scale MPa / psi. |
| K | Reverse-flow (reflux) valve attached. |
The filter and the regulator are ONE body here — there is no separate GAF filter or GAR regulator part to assemble. Need lubrication downstream too? Add a lubricator by ordering the matching GAFC300-15 F.R.L. combination instead.
Figures are the end of the flow curve plotted in the AirTAC catalogue at 0.7 MPa inlet pressure — a sizing envelope for comparing bodies, not a rated flow. Read the catalogue curve for a real duty point. Outlet pressure falls as flow rises, so size a body with headroom above your peak demand.
| This model | GAFR300 · 1/2" · curve to 3500 L/min |
|---|---|
| One size down | GAFR200 |
| One size up | GAFR400 (curve to 7000 L/min) |
| Add a lubricator | GAFC300-15 (F.R.L. combination) |
Feed a single precision clamping fixture on an assembly bench where a stable, lower pressure is required to avoid over-clamping delicate parts. The 1/2in port and 500 g body suit a compact station.
Supply a lab test rig that operates within a low pressure band, using the 40 um element to protect sensitive instruments from particulates. The semi-auto drain allows quick manual purging between test runs.
Power a single-acting cylinder on a light duty packaging or assembly machine that needs gentle, regulated motion. The 60 cc bowl provides enough condensate capacity for a low-usage line.
Choose the GAFR300 body for a 1/2in port with a 60 cc drain bowl and a flow curve plotted to 3500 L/min at 0.7 MPa inlet. The L type limits the regulated range to 0.15-0.4 MPa (20-58 psi), so confirm the machine never needs more than that; the S type would offer up to 0.9 MPa. This model includes the mounting bracket, has a circular gauge with MPa/psi scale (PT thread), and ships with both semi-auto and manual drains fitted. The 40 um element is the standard grade, and the reverse-flow (reflux) valve is attached as an ordering difference. If the line needs oil downstream, order the matching GAFC300-15 combination instead. A 1.0 MPa max supply leaves about 0.6 MPa above the 0.4 MPa top of the range.
Quick checklist
This is a filter and regulator only — it delivers filtered, pressure-set air with no added oil. If a downstream tool needs lubrication, add a separate lubricator or order the GAFC300-15 combination; do not expect an oil mist from this unit.
The GAFR30015LK is a filter & regulator with a 1/2in port. Its lower pressure type regulates from 0.15-0.4 MPa (20-58 psi). Maximum supply pressure is 1.0 MPa (145 psi) and proof pressure is 1.5 MPa (215 psi). Operating temperature is -5 to 70 C. The drain bowl holds 60 cc and the unit weighs 500 g.
The K code indicates a reverse-flow (reflux) valve is fitted to the unit. It is an ordering difference from a standard GAFR30015L, which does not have this valve. The catalogue does not detail its function in our data, so treat it as a specified option for your application.
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