Airtac GAFR Adjustable Filter Regulator GAFR300C10SJ
The AirTAC Airtac GAFR Adjustable Filter Regulator GAFR300C10SJ 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 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 size3/8"
- Pressure range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade40 µm
- Bowl materialMetal
- Drainsemi-auto + manual
- Pressure gaugeCircular, MPa / psi
- Weight500 g
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac GAFR Adjustable Filter Regulator GAFR300C10SJ
The GAFR300C10SJ is a filter and regulator combined into a single body, eliminating the need for separate GAF and GAR units. This 3/8in version weighs 500 g and handles a standard pressure range of 0.15-0.9 MPa (20-130 psi) with a 40 um element.
Its metal bowl holds 60 cc of condensate, and the diversion structure spins incoming air to separate liquid water and solid particles before regulation. The balanced, self-locking regulator maintains the set outlet pressure despite supply variations, and the fitted circular gauge shows MPa/psi readings.
Airtac GAFR Adjustable Filter Regulator GAFR300C10SJ Technical Specifications
| Model | Airtac GAFR Adjustable Filter Regulator GAFR300C10SJ |
|---|---|
| Series | GAFR300 filter & regulator |
| Port size | 3/8" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| Bowl material | Metal |
| 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 | Not included (J) |
| 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 GAFR300C10SJ
| GAFR300 | GA300 series filter & regulator — sets the port range, drain-bowl capacity and weight. |
|---|---|
| C | Bowl material: Metal. Available on this body: PC (blank), Metal (C), Nylon (N). |
| 10 | Port size 3/8". This body offers 08 = 1/4", 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. |
| (blank) | Circular pressure gauge fitted. |
| (blank) | Filtering grade 40 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 GAFC300-10 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 | GAFR300 · 3/8" · curve to 3500 L/min |
|---|---|
| One size down | GAFR200 |
| One size up | GAFR400 (curve to 7000 L/min) |
| Add a lubricator | GAFC300-10 (F.R.L. combination) |
Where the Airtac GAFR Adjustable Filter Regulator GAFR300C10SJ Is Used
Precision valve control
Feed a bank of pneumatic valves on a small assembly station where stable pressure is critical. The balanced regulator holds settings despite supply fluctuations, and the 40 um element protects sensitive valve internals.
Machine tool air supply
Supply a single CNC machine's air cylinder circuit with filtered, regulated air. The 60 cc metal bowl handles condensate from a typical compressor line, and the 3/8in port matches common machine tool fittings.
Test bench setup
Use on a pneumatic test bench where a clean, stable air source is needed for component testing. The 500 g body mounts securely to a panel, and the visible gauge lets operators verify set pressure at a glance.
Is the Airtac GAFR Adjustable Filter Regulator GAFR300C10SJ the Right Air-Prep Unit?
Choose the GAFR300 body for medium-flow lines needing 3/8in ports and a 60 cc drain bowl. The metal bowl (C) is a build choice for demanding environments, though the -5 to 70 C limit applies to all materials. This model ships without the mounting bracket (J), so plan for panel mounting or an existing bracket. The semi-auto and manual drains are both fitted, giving you flexible condensate removal. The standard type (S) covers 0.15-0.9 MPa, and the PT thread means the gauge reads MPa/psi. With no reverse-flow valve, this is a straightforward filter-regulator. If downstream lubrication is ever needed, order the matching GAFC300-10 combination instead. 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 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 GAFC300-10 combination; do not expect an oil mist from this unit.
Airtac GAFR Adjustable Filter Regulator GAFR300C10SJ FAQ
The GAFR300C10SJ is a filter & regulator with a 3/8in port, 60 cc drain bowl, and 500 g weight. Pressure range is 0.15-0.9 MPa (20-130 psi), with 1.0 MPa (145 psi) max and 1.5 MPa (215 psi) proof pressure. Temperature range is -5 to 70 C. It includes a 40 um element, semi-auto and manual drains, and a fitted gauge.
The J code means the mounting bracket is omitted. This suits installations using existing brackets or panel-mount configurations. The 500 g body still requires secure mounting, but you have the flexibility to use your own hardware rather than the standard AirTAC bracket.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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