Airtac GAFR Adjustable Filter Regulator GAFR40010SW
The AirTAC Airtac GAFR Adjustable Filter Regulator GAFR40010SW 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 3/8" ports, a 5 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 size3/8"
- Pressure range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade5 µm
- Bowl materialPC
- Drainsemi-auto + manual
- Pressure gaugeCircular, MPa / psi
- Weight880 g
About the Airtac GAFR Adjustable Filter Regulator GAFR40010SW
The GAFR40010SW is a filter and regulator combined into a single body, so incoming air is cleaned and then set to a steady outlet pressure without needing separate units. This 3/8in version works across 0.15-0.9 MPa (20-130 psi) and uses a 5 um element to trap fine particles before they reach downstream components.
A circular gauge with MPa/psi scale is fitted, and the mounting bracket is included. The 100 cc condensate bowl collects water and solids separated by the internal diversion structure, while the semi-auto and manual drains give you two ways to empty it. This single-piece design replaces a separate filter plus regulator, reducing potential leak points and saving rail space.
Airtac GAFR Adjustable Filter Regulator GAFR40010SW Technical Specifications
| Model | Airtac GAFR Adjustable Filter Regulator GAFR40010SW |
|---|---|
| Series | GAFR400 filter & regulator |
| Port size | 3/8" (PT thread) |
| Filtering grade | 5 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| 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 | 100 cc |
| Bracket | Included |
| Weight | 880 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 GAFR40010SW
| GAFR400 | GA400 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). |
| 10 | Port size 3/8". This body offers 10 = 3/8", 15 = 1/2". |
| (blank) | Drain: Semi-auto drain + manual 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. |
| W | Filtering grade 5 µm. |
| (blank) | PT thread; gauge scale MPa / psi. |
| (blank) | No reverse-flow valve. |
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 GAFC400-10 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 | GAFR400 · 3/8" · curve to 7000 L/min |
|---|---|
| One size down | GAFR300 |
| One size up | GAFR500 (curve to 8000 L/min) |
| Add a lubricator | GAFC400-10 (F.R.L. combination) |
Where the Airtac GAFR Adjustable Filter Regulator GAFR40010SW Is Used
Precision valve control
Feed a bank of precision pneumatic valves that need clean, regulated air at a steady pressure. The 5 um element removes fine particles that could clog small orifices, while the balanced regulator holds the setpoint as line pressure varies.
Machine tool air supply
Mount this 3/8in unit on a machine tool frame to supply filtered air to cylinders and actuators. The 100 cc bowl captures condensate from the diversion filter, and the included bracket keeps the 880 g body securely fixed against vibration.
Test bench setup
Use on a test bench where a compact filter-regulator with a visible gauge is needed. The MPa/psi scale lets operators read set pressure directly, and the semi-auto drain can be emptied manually during long test cycles.
Is the Airtac GAFR Adjustable Filter Regulator GAFR40010SW the Right Air-Prep Unit?
Choose the GAFR400 body when you need a 3/8in port with a 100 cc drain bowl and an 880 g mass that suits a panel or frame mount. The 5 um element is the finer option compared to the standard 40 um, so pick it for precision valves or instrument air, knowing it will need more frequent service. This model ships with the mounting bracket and a circular gauge reading MPa/psi on PT threads, while the semi-auto and manual drains are both fitted for flexible maintenance. If you need oil downstream, order the matching GAFC400-10 combination instead, as this unit does not lubricate. The 1.0 MPa max supply leaves about 0.1 MPa above the 0.9 MPa top of the range.
Quick checklist
- ✓ Body size for your peak flow (3/8" 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 100 cc bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
- check Support the 880 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 GAFC400-10 combination; do not expect an oil mist from this unit.
Airtac GAFR Adjustable Filter Regulator GAFR40010SW FAQ
Working pressure range is 0.15-0.9 MPa (20-130 psi), with a maximum supply of 1.0 MPa (145 psi) and proof pressure of 1.5 MPa (215 psi). Temperature range is -5 to 70 C and must not freeze. The drain bowl holds 100 cc and the unit weighs 880 g, with a 3/8in port and 5 um filter element.
The 5 um element traps much finer solid particles than the standard 40 um grade, making it suitable for precision valves or instrument air where contamination control is critical. The tradeoff is that the finer element will load up faster and require more frequent replacement, so factor that into your maintenance schedule.
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