
The AirTAC Airtac GAFR Adjustable Filter Regulator GAFR600C20ASNK 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 3/4" 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.
The GAFR600C20ASNK is a filter & regulator in a single body, combining a diversion-type filter and a balanced pressure regulator. It handles a 3/4in port and delivers a regulated output of 0.15-0.9 MPa (20-130 psi) with a 40 um element. This unit has a metal bowl and an automatic drain, with no gauge fitted.
This heavy-duty body weighs 1880 g and its flow curve is plotted to 12000 L/min at 0.7 MPa inlet, making it a high-capacity choice for machine headers. The pressed-in self-locking knob resists set-pressure drift from vibration, keeping the outlet steady. It filters water and solid particles, but does not lubricate or remove oil vapour.
| Model | Airtac GAFR Adjustable Filter Regulator GAFR600C20ASNK |
|---|---|
| Series | GAFR600 filter & regulator |
| Port size | 3/4" (PT thread) |
| Filtering grade | 40 µm |
| Pressure range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Type | Standard |
| Bowl material | Metal |
| 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 | 205 cc |
| Bracket | Included |
| Weight | 1880 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 GAFR600 is 1/4" if you add one. This unit filters and regulates only; it does not add lubrication.
| GAFR600 | GA600 series filter & regulator — sets the port range, drain-bowl capacity and weight. |
|---|---|
| C | Bowl material: Metal. Available on this body: Metal (C) only. |
| 20 | Port size 3/4". This body offers 20 = 3/4", 25 = 1". |
| A | Drain: Automatic drain. |
| S | Standard type — 0.15 - 0.9 MPa (20 - 130 psi). This body offers Standard (S) only. |
| (blank) | Mounting bracket included. |
| N | No pressure gauge; 1/4" gauge connection. |
| (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 GAFC600-20 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 | GAFR600 · 3/4" · curve to 12000 L/min |
|---|---|
| One size down | GAFR500 |
| Add a lubricator | GAFC600-20 (F.R.L. combination) |
Feed a multi-station machine header with clean, regulated air at up to 0.9 MPa. The 3/4in port and 12000 L/min plotted envelope at 0.7 MPa inlet support high-demand production lines.
Power large-bore cylinders or rotary actuators that need a steady 0.15-0.9 MPa supply. The balanced regulator holds the set pressure as line pressure varies, protecting sensitive motion.
Supply a long conveyor system with filtered air and a consistent pressure. The automatic drain clears condensate without manual checks, reducing downtime on continuous shifts.
Choose the GAFR600 body for large 3/4in or 1in port lines, where its 205 cc metal condensate bowl and 1880 g mass suit fixed installations. The metal bowl is standard for this size, and the automatic drain handles unattended operation. The standard type covers 0.15-0.9 MPa (20-130 psi), and the mounting bracket is included. No gauge is supplied, but the 1/4in gauge connection allows one to be added. The 40 um element is standard, and the PT thread is fitted. The reverse-flow (reflux) valve is attached as an ordering difference. If oil is needed downstream, order the matching GAFC600-20 combination instead. For this model, the 1.0 MPa max supply leaves about 0.1 MPa above the 0.9 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 GAFC600-20 combination; do not expect an oil mist from this unit.
This filter & regulator has a 3/4in port, a working 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 from -5 to 70 C and must not freeze. The metal drain bowl holds 205 cc, and the unit weighs 1880 g. It has a 40 um element and an automatic drain.
The K code indicates the reverse-flow (reflux) valve is fitted as an ordering difference. This is a specific configuration option for the GAFR600C20ASNK. The function of this valve is detailed in the catalogue, but it is not part of the standard filter & regulator operation.
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.