The AirTAC GAFR Filter & Regulators GAFR300C10SL 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 - 0.4 MPa (20 - 58 psi). It has no lubricator, so it adds no oil to the airflow.
The GAFR300C10SL puts an air filter and a pressure regulator into a single 3/8in body, so one casting covers two jobs where a standalone filter plus a standalone regulator would need two. Incoming air is spun through a diversion stage that drops liquid water and solid particles into the 60 cc metal bowl, and a balanced regulator then holds the outlet anywhere from 0.15 to 0.4 MPa (20-58 psi).
This is the lower-pressure L version: 40 um filtration, a fitted circular gauge reading MPa/psi on the PT thread, both semi-auto and manual drains, and the mounting bracket in the box. Nothing here adds oil to the air; when the downstream line needs lubrication, order the matching GAFC300-10 combination instead. At 500 g the unit belongs on its bracket or a panel rather than hanging off the tubing.
| Model | Airtac GAFR Filter & Regulators GAFR300C10SL |
|---|---|
| Series | GAFR300 filter & regulator |
| Port size | 3/8" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.4 MPa (20 - 58 psi) |
| Type | Lower pressure |
| 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 | 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. |
|---|---|
| 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. |
| 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. |
| (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.
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) |
Carton sealers and heat-seal heads that clamp at modest forces run happily below 0.4 MPa. This unit filters the supply and holds a gentle, steady setpoint without overdriving the seal cylinders.
Conveyor tensioners, hold-down pads and light actuator banks need clean air at a fixed low pressure. The 3/8in port and 3500 L/min plotted envelope at 0.7 MPa inlet cover a multi-roller section from one drop.
Bench fixtures and pilot rigs often want filtered air regulated well under 0.4 MPa. The fitted MPa/psi gauge lets an operator read and reset the low setpoint directly, and the metal bowl suits heavier workshop use.
Pick this code when the port is 3/8in and the circuit never needs more than 0.4 MPa: the L type stops at 0.4 MPa (20-58 psi), which is only about 44% of the 0.9 MPa ceiling of the standard S version, so choose S instead if the machine might one day demand a higher setpoint. The C selects the metal bowl, a build decision for rougher surroundings; AirTAC prints no solvent, temperature or impact data per bowl material, so confirm compatibility from the datasheet before ordering for aggressive environments. The blank drain position means both a semi-auto and a manual drain are fitted, the bracket is included for frame mounting, and the gauge reads MPa/psi because the thread code is PT. Filtration is the standard 40 um; append W to the code for a 5 um element when finer particle capture matters. A trailing K would add a reverse-flow valve as an ordering option. For sizing, this body's curve is plotted to 3500 L/min at 0.7 MPa inlet, while the larger GAFR400 plots to 7000 L/min at 0.7 MPa inlet. Remember that 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 GAFC300-10 combination; do not expect an oil mist from this unit.
It is a filter and regulator in one 3/8in body. Working range is 0.15-0.4 MPa (20-58 psi) because this is the L type; maximum pressure is 1.0 MPa (145 psi) and proof pressure is 1.5 MPa (215 psi). Temperature range is -5 to 70 C and the unit must not freeze. The single condensate bowl holds 60 cc, the element is 40 um, and the unit weighs 500 g.
The C right after the body digits selects a metal bowl instead of the standard PC or nylon option. All three materials share the same 1.0 MPa (145 psi) maximum and -5 to 70 C rating, so the choice is about the build you want in that environment rather than a spec difference. AirTAC publishes no chemical or impact data per material, so confirm suitability from the datasheet for aggressive surroundings.
Genuine AirTAC parts produced by AirTAC factory.
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Most inquiries answered within 7-8 hours.
Send us the quantity, thread type (PT / G / NPT) and destination. We confirm price, stock and lead time — usually within 7-8 hours.