The AirTAC GFR40015AF2WG AirTAC Filter Regulator G1/2, 5 um, Auto Drain is a genuine G-series filter regulator: water separation, 5 µm particulate filtration and balanced-type pressure regulation combined in a single body. It has PT1/2" ports, a automatic drain and regulates 0.15 - 0.9 MPa (20 - 130 psi). It does not lubricate — add a GL lubricator, or order the GFC two-unit set, if downstream equipment needs oil.
The AirTAC GFR400 series combines water and particulate filtration with pressure regulation in a single body. This GFR40015AF2WG is configured with G1/2 (BSPP) ports, a 5 um filter element (code W, against the 40 um standard), an automatic drain that ejects collected condensate without manual attention, and an embedded square gauge reading in psi. The standard regulator covers a 0.15-0.9 MPa (20-130 psi) adjustment range, maximum inlet pressure is 1.0 MPa (145 psi), and the polycarbonate bowl suits the 400 frame. It runs on compressed air at -5 to 70 C (non-freezing).
This is a genuine AirTAC part. G-series filter regulators are published in 200, 300, 400 and 600 frame sizes with ports from 1/8 to 1 in, and options that include manual or differential-pressure drains, a 40 um or 5 um element, MPa, psi or bar gauge scales, a reverse/check valve, and PT or NPT threads to order. Flow is published as curves rather than a single rating, so ask us to confirm the datasheet figures for your application.
| Model | GFR40015AF2WG AirTAC Filter Regulator G1/2, 5 um, Auto Drain |
|---|---|
| Series | GFR400 filter regulator |
| Port size | PT1/2" (G (BSPP) thread) |
| Filtering grade | 5 µm |
| Regulating range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Pressure type | Standard type |
| Adjusting mechanism | Balanced type |
| Fluid | Compressed air |
|---|---|
| Max. working pressure | 1.0 MPa (145 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Drain type | Automatic drain |
| Bowl material | PC |
| Pressure gauge | Fitted — square, psi scale |
| Reflux valve | Not fitted |
Specifications follow the official AirTAC G-series air-preparation data. The regulating band is set by the drain type: automatic and differential-pressure drains regulate 0.15 - 0.9 MPa, a manual drain regulates 0.05 - 0.9 MPa. Standard type, regulating 0.15 - 0.9 MPa (20 - 130 psi). Air must not freeze in the unit. Flow curves, weight and outline dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.
| GFR400 | G-series filter regulator, 400 body — sets the port range. |
|---|---|
| 15 | Port size PT1/2". This body offers 10 = PT3/8", 15 = PT1/2". |
| A | Drain: Automatic drain — this also sets the regulating band (0.15 - 0.9 MPa (20 - 130 psi)). |
| (blank) | Standard type. Blank is standard, L is the low-pressure type. |
| (blank) | Mounting bracket included. |
| (blank) | Pressure gauge fitted (blank). |
| F | Gauge shape: Square. C is round, F is square. |
| 2 | Gauge scale: psi. 1 is MPa, 2 is psi, 3 is bar. |
| W | Filtering grade 5 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| G | G (BSPP) thread. PT is the default; G is BSPP and T is NPT. |
| (blank) | No reverse-flow valve (the default). |
Field order is size, port, drain, type, bracket, gauge, shape, scale, grade, thread, reflux — a blank position takes the default. Example: GFR300-08 is a 300 body, PT1/4", differential drain, standard type, bracket included, gauge fitted, 40 µm, PT thread, no reflux valve.
A larger body carries a larger port and holds set pressure better as flow rises. AirTAC publishes flow only as curves, so size the body from your peak demand with headroom. The GFR600 uses an aluminium-alloy bowl; the 200, 300 and 400 bodies use PC.
| This model | GFR400 · PT1/2" · 5 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-15 (two-unit set) |
Cleaned and regulated air feeding pneumatic screwdrivers, clamps and actuated fixtures along a trim installation line, with the 5 um element protecting downstream tools from finer particulate and water carryover.
A filtered, pressure-regulated drop feeding tool-change actuators, clamping vices and air-blast nozzles on a machining centre, with the psi gauge giving operators a local set-point reading at the machine.
Regulated air for diverter arms, stop gates and pusher cylinders on a packaging conveyor, with the automatic drain clearing condensate from the bowl during continuous shifts without operator attention.
The real, decodable choices on this family: the frame size (200/300/400/600) sets the port and flow capacity, so step up a size when your line needs more air; the drain can be automatic (as fitted here), manual or differential-pressure; the element is 40 um standard or 5 um (W) for finer protection; the gauge is an embedded square unit with MPa, psi or bar scales, and an external round gauge is optional; threads come as PT standard with G and NPT to order; and a mounting bracket is included on this unit. Flow is published as curves, not a single rated figure, so send us your flow and pressure requirements and we will confirm sizing against the datasheet before you order.
Quick checklist
The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. Without the K option, air cannot flow back through the unit. A filter regulator adds no oil to the line.
AirTAC publishes flow for the GFR400 as curves rather than a single rated figure, so we do not quote a number here. Send us your required flow and working pressure and we will confirm the figures from the datasheet on request before you order.
The 40 um element is the standard grade for general protection. The W-coded 5 um element fitted to this unit removes finer particulate and water carryover, which suits downstream valves, cylinders and instruments that need cleaner air. Both grades are available across the G-series filter regulators if your other lines differ.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
Most inquiries answered within 7-8 hours.
Send us the quantity, thread type (PT / G / NPT), gauge scale and destination. We confirm price, availability and lead time — usually within 7-8 hours.