The AirTAC GFR40015F2T AirTAC Filter Regulator NPT1/2, Psi Gauge 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 differential-pressure 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 GFR40015F2T is a filter regulator: it removes water and particulate from compressed air and holds downstream pressure steady, in a single 400-size body with a 1/2 in NPT port. This configuration carries the standard 40 um filter element, a differential-pressure drain that bleeds collected condensate automatically whenever the pressure differential across the element rises, and an embedded square gauge scaled in psi so operators can read and set downstream pressure directly. The polycarbonate bowl suits the -5 to 70 C (non-freezing) operating range, and maximum inlet pressure is 1.0 MPa (145 psi).
This is a genuine AirTAC part. The GFR series spans sizes 200, 300, 400 and 600 with a choice of ports, drain types (differential-pressure, automatic or manual), 40 um or 5 um filtration, gauge scale, and PT, G or NPT threads. Flow is published as curves rather than a single rated figure, so ask us to confirm the datasheet figures for your application before ordering.
| Model | GFR40015F2T AirTAC Filter Regulator NPT1/2, Psi Gauge |
|---|---|
| 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 | Differential-pressure 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". |
| (blank) | Drain: Differential-pressure 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. |
| (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) |
Feeds clean, regulated air to tool changers, clamps and pneumatic actuators on a machining centre, with the psi gauge letting setters verify set pressure at the machine.
Conditions and regulates the air feeding carton sealers, case erectors and diverters on a packaging conveyor, where the differential-pressure drain keeps condensate in check through continuous shifts.
Supplies filtered, regulated air to filling and capping valve manifolds in a bottling hall, protecting downstream control valves from water and scale carryover.
Start with the port and size step: this unit is size 400 with a 1/2 in NPT port, the right choice when your air supply plumbing is 1/2 in and your demand sits in the upper mid-range of the GFR family. Match the port to your line rather than oversizing, since flow capacity scales with the size step and is published as curves, not a single rating. Drain choice matters in use: the differential-pressure drain fitted here needs no daily attention, but a manual drain (code M) suits low-flow duty and an automatic drain (code A) suits unattended lines. The standard 40 um element protects most actuators and valves; specify the 5 um option (code W) where finer pre-filtration is needed. The square gauge here is scaled in psi; MPa and bar scales and an external round gauge are alternatives, and PT or G threads can be ordered instead of NPT. Send us your flow and pressure requirements and we will confirm sizing against the datasheet curves 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 series as curves, not as a single rated number, so we do not quote a figure that could mislead. Tell us your line pressure, set pressure and air demand, and we will confirm the flow from the datasheet curves for this 400-size, 1/2 in NPT unit before you order.
A blank drain position means the differential-pressure drain: it purges collected condensate automatically when the pressure drop across the 40 um element rises, so it suits continuously running lines with no daily draining. If your usage is intermittent or you prefer controlled draining, the same unit can be ordered with a manual drain (code M) or an automatic drain (code A).
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.