Airtac GAFR Adjustable Filter Regulator GAFR40010SJNWK
The AirTAC Airtac GAFR Adjustable Filter Regulator GAFR40010SJNWK 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 gaugeNot fitted
- Weight880 g
About the Airtac GAFR Adjustable Filter Regulator GAFR40010SJNWK
The GAFR40010SJNWK is a genuine AirTAC filter & regulator that combines both functions into a single body, so it replaces a separate GAF filter and GAR regulator with one unit that has fewer joints to seal. With a 3/8in port and a 100 cc condensate bowl, this 880 g unit is built for medium-flow pneumatic lines, and it filters the air with a 5 um element before regulating it to a steady 0.15-0.9 MPa (20-130 psi).
This model comes without a gauge, so the 1/4in gauge connection is ready for one if you add it later, and it has no mounting bracket, meaning you'll need an existing bracket or panel mount. The semi-auto and manual drains are both fitted, and a reverse-flow (reflux) valve is attached as an ordering difference, while the PC bowl and PT threads complete the build.
Airtac GAFR Adjustable Filter Regulator GAFR40010SJNWK Technical Specifications
| Model | Airtac GAFR Adjustable Filter Regulator GAFR40010SJNWK |
|---|---|
| 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 | Not included (J) |
| Weight | 880 g |
Specifications follow the official AirTAC GAFR catalogue (pages 235-236). Air must not freeze in the unit. No gauge is supplied with this model — the gauge connection on a GAFR400 is 1/4" if you add one. This unit filters and regulates only; it does not add lubrication.
Model Code: Airtac GAFR Adjustable Filter Regulator GAFR40010SJNWK
| 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). |
| J | No bracket (J) — supplied without the mounting bracket. |
| N | No pressure gauge; 1/4" gauge connection. |
| W | Filtering grade 5 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 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 GAFR40010SJNWK Is Used
Precision valve control
Feed a bank of precision pneumatic valves on a medium assembly line, where the 5 um element keeps fine particles from affecting valve seats and the regulated output holds steady as supply pressure varies.
Machine tool air supply
Supply clean, regulated air to a CNC machine's tool changer or clamping system, where the 3/8in port matches typical manifold inlets and the 100 cc bowl handles condensate from a busy shift.
Test rig instrumentation
Use it on a test bench for pneumatic components, where the 5 um filtration protects sensitive instrumentation and the semi-auto drain lets you manually purge the bowl between test runs.
Is the Airtac GAFR Adjustable Filter Regulator GAFR40010SJNWK the Right Air-Prep Unit?
Choose the GAFR400 body for a 3/8in port and a 100 cc drain bowl, which holds about 1.7x the condensate of the GAFR300's 60 cc bowl, so you drain less often. The PC bowl is the standard build, and the 5 um element traps finer particles than the 40 um standard, which suits precision valves but needs more frequent service. This model has no bracket (J) and no gauge (N), so plan for a panel mount and add a gauge if you need to read the set pressure. The semi-auto and manual drains are both fitted, and the PT thread comes with an MPa/psi gauge scale if you add a gauge. If the line needs oil downstream, order the matching GAFC400-10 combination instead, since this unit does not lubricate. The reflux valve is fitted per the K code. Remember that the 1.0 MPa max supply leaves about 0.1 MPa above the 0.9 MPa top of the range, so plan your inlet pressure near 1.0 MPa to get 0.9 MPa out.
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 GAFR40010SJNWK FAQ
The GAFR40010SJNWK is a filter & regulator with a 3/8in port, working pressure range of 0.15-0.9 MPa (20-130 psi), max pressure of 1.0 MPa (145 psi), proof pressure of 1.5 MPa (215 psi), and temperature range of -5 to 70 C. It has a 100 cc drain bowl, weighs 880 g, and uses a 5 um element. The gauge connection is 1/4in, and it comes with PT threads.
The N code after the port means no gauge is supplied, so you'll need to add one to the 1/4in connection to read the set pressure. The J code means the mounting bracket is omitted, so you'll need an existing bracket or a panel mount. Both codes let you avoid paying for parts you don't need if you have your own mounting solution and gauge.
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.
Related AirTAC Air-Preparation Units
Request a Quote for Airtac GAFR Adjustable Filter Regulator GAFR40010SJNWK
Send us the quantity, thread type (PT / G / NPT) and destination. We confirm price, stock and lead time — usually within 7-8 hours.