Airtac GAFR Adjustable Filter Regulator GAFR300N15ASK
The AirTAC Airtac GAFR Adjustable Filter Regulator GAFR300N15ASK 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 - 0.9 MPa (20 - 130 psi). It has no lubricator, so it adds no oil to the airflow.
- TypeFilter & regulator
- Port size1/2"
- Pressure range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade40 µm
- Bowl materialNylon
- Drainautomatic
- Pressure gaugeCircular, MPa / psi
- Weight500 g
About the Airtac GAFR Adjustable Filter Regulator GAFR300N15ASK
The GAFR300N15ASK is a filter and pressure regulator combined into a single body, saving rail space and reducing potential leak points compared to separate units. It delivers clean, regulated air at a steady pressure for your pneumatic system, with a nylon bowl and automatic drain for low-maintenance operation.
This model features a 1/2in port, a standard pressure range of 0.15-0.9 MPa (20-130 psi), and a 40 um filter element. Its diversion structure spins the incoming air to separate liquid water and solid particles into the 60 cc drain bowl, while the balanced, self-locking regulator holds the set pressure steady even as supply pressure varies.
Airtac GAFR Adjustable Filter Regulator GAFR300N15ASK Technical Specifications
| Model | Airtac GAFR Adjustable Filter Regulator GAFR300N15ASK |
|---|---|
| Series | GAFR300 filter & regulator |
| Port size | 1/2" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| Bowl material | Nylon |
| Drain type | Automatic 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.
Model Code: Airtac GAFR Adjustable Filter Regulator GAFR300N15ASK
| GAFR300 | GA300 series filter & regulator — sets the port range, drain-bowl capacity and weight. |
|---|---|
| N | Bowl material: Nylon. 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". |
| A | Drain: Automatic drain. |
| S | Standard type — 0.15 - 0.9 MPa (20 - 130 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.
Size Class & Flow Envelope
- GAFR2001/8"-1/4" · 2000 L/min
- GAFR3001/4"-1/2" · 3500 L/min
- GAFR4003/8"-1/2" · 7000 L/min
- GAFR5003/4" · 8000 L/min
- GAFR6003/4"-1" · 12000 L/min
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) |
Where the Airtac GAFR Adjustable Filter Regulator GAFR300N15ASK Is Used
Precision Machining
Feed a clean, stable air supply to a precision vise or a small indexing table on a CNC machine, where consistent clamping force is critical for part quality.
Assembly Conveyor
Power a pneumatic stopper or a divert gate on an assembly line, ensuring reliable operation with filtered air and a steady pressure set by the regulator.
Packaging Equipment
Supply regulated air to a film-sealing jaw or a labeling head, where consistent pressure prevents damage to delicate packaging materials.
Is the Airtac GAFR Adjustable Filter Regulator GAFR300N15ASK the Right Air-Prep Unit?
Choose the GAFR300 body for medium-flow applications, offering a 1/2in port and a flow curve plotted to 3500 L/min at 0.7 MPa inlet. The nylon bowl is a build choice for your environment, while the automatic drain (A) handles condensate without manual intervention. The included bracket simplifies mounting, and the fitted gauge with MPa/psi scale lets you monitor set pressure directly. This unit also includes the reverse-flow (reflux) valve (K) as an ordering difference. If your line needs lubrication downstream, order the matching GAFC300-15 combination instead. With a maximum supply of 1.0 MPa, you have about 0.1 MPa of headroom above the 0.9 MPa top of the regulated range.
Quick checklist
- ✓ Body size for your peak flow (1/2" here)
- ✓ Standard 0.9 MPa or lower-pressure 0.4 MPa
- ✓ Bowl material: PC (blank), Metal (C), Nylon (N)
- ✓ Drain: semi-auto + manual, or automatic
- ✓ Element 40 µm or 5 µm
- ✓ Bracket kept or removed (J); add a lubricator = GAFC
Installation & Maintenance Notes
- check Install with the airflow arrow: IN to OUT, gauge/knob accessible.
- check Keep inlet pressure at or below 1.0 MPa (145 psi).
- check Set pressure with the pressed-in self-locking knob; pull to adjust, press to lock.
- check Drain condensate before the 60 cc bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Support the 500 g unit on its bracket, not on the tubing.
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.
Airtac GAFR Adjustable Filter Regulator GAFR300N15ASK FAQ
This filter & regulator has a 1/2in port, a standard pressure range of 0.15-0.9 MPa (20-130 psi), a maximum pressure of 1.0 MPa (145 psi), and a proof pressure of 1.5 MPa (215 psi). It operates in temperatures from -5 to 70 C, has a 60 cc drain bowl, and weighs 500 g.
The 'K' indicates that a reverse-flow (reflux) valve is fitted to this GAFR300N15ASK. It is an ordering difference from models without the valve. For details on its operation, please refer to the official AirTAC catalogue.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
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