The AirTAC Airtac GAFR Filter & Regulators GAFR40015ST 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 1/2" 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 AirTAC GAFR40015ST is a filter and a pressure regulator built into a single body, replacing a separate GAF filter plus a GAR regulator and cutting out one extra joint to seal. Incoming air is spun by a diversion structure so liquid water and solid particles fall into the bowl, then a balanced mechanism sets a steady outlet anywhere from 0.15 to 0.9 MPa (20-130 psi). This listing has a 1/2in NPT port, a 40 um element and no lubrication stage; if oil mist is needed downstream, order the matching GAFC400 combination instead. At 880 g with a 100 cc drain bowl, this is a mid-size unit that belongs on a panel or bracket rather than hanging off the tubing, and the mounting bracket comes in the box. The blank drain position carries both a semi-automatic and a manual drain, and the circular gauge is fitted. Rated from -5 to 70 C with no allowance for freezing, it takes a maximum working pressure of 1.0 MPa (145 psi) and a proof pressure of 1.5 MPa (215 psi).
| Model | Airtac GAFR Filter & Regulators GAFR40015ST |
|---|---|
| Series | GAFR400 filter & regulator |
| Port size | 1/2" (NPT thread) |
| Filtering grade | 40 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 psi / bar, set by the NPT thread code. This unit filters and regulates only; it does not add lubrication.
| 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). |
| 15 | Port size 1/2". 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. |
| (blank) | Filtering grade 40 µm. |
| T | NPT thread; gauge scale psi / bar. |
| (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 GAFC400-15 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 | GAFR400 · 1/2" · curve to 7000 L/min |
|---|---|
| One size down | GAFR300 |
| One size up | GAFR500 (curve to 8000 L/min) |
| Add a lubricator | GAFC400-15 (F.R.L. combination) |
Feeds clamp and tool-change actuators on a machining centre from a 1/2" drop, with the 40 um element stopping chips and grit from reaching the directional valves while the regulator holds the clamp pressure steady as shop supply wanders.
Sits at the header of a packaging machine that runs many small cylinders at one set pressure, where the 100 cc drain bowl gives a longer interval between manual drains on a multi-station air ring.
Supplies stoppers, pushers and diverters along a conveyor run, using the semi-automatic drain to clear condensed water from the 100 cc bowl before it can carry over into the actuators.
Body 400 takes 3/8" or 1/2" ports; this version is the 1/2" one, and its PC bowl (blank code) suits general compressed air, with C for a metal bowl or N for nylon on the same body. The blank drain position means semi-automatic and manual draining are both fitted, while the A code swaps in an automatic drain for unattended lines. The S type spans 0.15-0.9 MPa (20-130 psi); choose L only if the machine will never need more than 0.4 MPa. Drop the bracket with J, remove the gauge with N, or step to the W code for a 5 um element when finer filtration is wanted. Because this code ends in T, the ports are NPT and the gauge scale reads psi and bar; pick G or blank PT if operators expect bar/MPa or MPa/psi. A K on the end would add the reverse-flow valve as an ordering option, and the matching GAFC400 combination is the route when lubrication is required downstream. Its plotted flow curve runs to 7000 L/min at 0.7 MPa inlet, exactly 2x the 3500 L/min envelope of the smaller GAFR300 body.
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 GAFC400-15 combination; do not expect an oil mist from this unit.
It filters and regulates compressed air in one body. Pressure range is 0.15-0.9 MPa (20-130 psi) on the standard type, maximum pressure is 1.0 MPa (145 psi) and proof pressure is 1.5 MPa (215 psi). Working temperature spans -5 to 70 C and the unit must not freeze. The drain bowl holds 100 cc and the unit weighs 880 g. The port is 1/2" NPT, the gauge connection is 1/4" if a gauge is ever added separately, and the plotted flow curve extends to 7000 L/min at 0.7 MPa inlet.
The thread position selects the port thread and, with it, the gauge scale. T means NPT ports, and the fitted circular gauge then reads in psi and bar. A blank code gives PT threads with an MPa/psi scale, and G gives G threads with a bar/MPa scale, so choose the code that matches both the piping and the scale the operators read. The thread position does not affect the pressure range, the 40 um element or the 100 cc drain bowl.
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Send us the quantity, thread type (PT / G / NPT) and destination. We confirm price, stock and lead time — usually within 7-8 hours.