The AirTAC GFR40015AJF2T AirTAC Filter Regulator NPT1/2 Auto Drain is a genuine G-series filter regulator: water separation, 40 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 GFR40015AJF2T is a size 400 filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in a single body. This configuration has 1/2 in NPT ports, an automatic drain that expels collected condensate without manual attention, a 40 um standard filter element, a fitted square pressure gauge reading in psi, and a standard regulation range of 0.15-0.9 MPa (20-130 psi). Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C (non-freezing). The polycarbonate bowl suits the size 400 frame; no mounting bracket is included with this code.
This is a genuine AirTAC part. The GFR family is available in sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, PT (standard), G or NPT threads, differential-pressure, automatic or manual drains, 40 um or 5 um (code W) filtration, and MPa, psi or bar gauge scales. Flow is published as curves rather than a single rating, so ask us to confirm the datasheet figures for your application before ordering.
| Model | GFR40015AJF2T AirTAC Filter Regulator NPT1/2 Auto Drain |
|---|---|
| Series | GFR400 filter regulator |
| Port size | PT1/2" (NPT thread) |
| Filtering grade | 40 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. |
| J | Supplied without bracket. |
| (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. |
| (blank) | Filtering grade 40 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| T | NPT 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" · 40 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-15 (two-unit set) |
Installed at the 1/2 in take-off feeding a production cell, it cleans water and scale out of the shop-air supply and holds a set working pressure for the tools and cylinders downstream, with the automatic drain keeping the bowl clear between shifts.
On a pneumatic press or clamping station, the regulator sets the clamping force by holding a stable downstream pressure, while the 40 um element stops particulate from reaching the valve and cylinder seals; the psi gauge gives the operator a direct setting reference.
Mounted ahead of a machine's air control manifold, it conditions the supply before directional valves and actuators, protecting the panel from moisture carryover; the automatic drain suits panels mounted where routine bowl draining is awkward.
For sizing, step up or down through the GFR sizes (200/300/400/600) and their port sizes (1/8 in to 1 in) to match the air demand of the machine or line; the size 400 with 1/2 in NPT ports sits in the upper-middle of the range. This unit carries the automatic drain, which suits unattended or hard-to-reach installations; choose manual drain where you want controlled, scheduled blowdown, or the differential-pressure default where a drop signal should trigger draining. The 40 um element is the standard grade for general air prep; specify 5 um (code W) where finer particulate removal is needed. The fitted square gauge here reads in psi; MPa and bar scales are also available. Thread is NPT on this code; PT is the standard and G is an order option. A bracket can be added on codes without the J suffix.
One honest note on sizing: AirTAC publishes flow for this family as curves, not as a single rated figure, so we do not quote a flow number here. Send us your application details and we will confirm the flow and datasheet figures against your requirement 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 GFR family as characteristic curves rather than a single rated figure, so we do not quote a flow number here. Tell us your application and required air demand and we will confirm the flow and datasheet figures for this exact model on request before you order.
The A in the code GFR40015AJF2T selects the automatic drain: condensate collected in the polycarbonate bowl is expelled without anyone opening the drain valve. The alternatives on GFR units are the differential-pressure drain (the default) and manual drain (code M, which also widens the regulation range to 0.05-0.9 MPa / 7-130 psi). Pick automatic for unattended or hard-to-reach installations.
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.