The AirTAC GFR40015JNWT AirTAC Filter Regulator NPT1/2, 5 um 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 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 GFR40015JNWT is a size 400 filter regulator: it removes water and particulate from compressed air and holds downstream pressure steady in a single body. This configuration carries a 5 um filter element (the finer of the two published grades), a differential-pressure drain that bleeds collected condensate automatically as flow passes through, and a standard regulator with an adjustment range of 0.15-0.9 MPa (20-130 psi). The port is 1/2 in NPT thread, maximum inlet pressure is 1.0 MPa (145 psi), and the operating temperature range is -5 to 70 C (non-freezing). The bowl on this size is polycarbonate (PC). No pressure gauge is fitted (code N) and no mounting bracket is included (code J); a reverse/check valve is not fitted.
This is a genuine AirTAC part. The GFR family is published in sizes 200, 300, 400 and 600, with port options from 1/8 in to 1 in, PT as the standard thread and G (BSPP) or NPT as order options, a choice of 40 um or 5 um elements, differential-pressure, automatic or manual drains, gauge and bracket variants, and an optional low-pressure regulator type. Flow is published as curves rather than a single rated figure, so ask us to confirm the datasheet and sizing for your application before ordering.
| Model | GFR40015JNWT AirTAC Filter Regulator NPT1/2, 5 um |
|---|---|
| Series | GFR400 filter regulator |
| Port size | PT1/2" (NPT 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 | Differential-pressure drain |
| Bowl material | PC |
| Pressure gauge | Not fitted |
| 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. |
| J | Supplied without bracket. |
| N | No pressure gauge (N). |
| (blank) | Gauge shape: Factory standard. C is round, F is square. |
| (blank) | Gauge scale: Factory standard. 1 is MPa, 2 is psi, 3 is bar. |
| W | Filtering grade 5 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" · 5 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-15 (two-unit set) |
On a stamping or forming cell, filtered air at a held setpoint keeps clamp cylinders repeating the same clamping force part after part; the 5 um element protects directional valves from particulate while the regulator holds the circuit pressure.
Carton sealers, case packers and wrapping machines run cylinders and air bells continuously; a filter regulator at the machine drop removes condensate and grit and keeps actuator speed consistent as plant pressure wanders.
Robotic end-of-arm tooling and tool-change drawers use small, sensitive valves; point-of-use filtration and regulation at the cell keeps moisture and 5 um-and-coarser particles out of those components while holding a stable gripping pressure.
Start with the port step: this unit is the 1/2 in NPT version of the size 400 body, so match it to your line size and let the required air demand drive whether 300 or 400 (or 600) is the right step - we will confirm the flow curve against your consumption on request. Choose the drain to suit access: differential-pressure (as fitted here) needs no attention while air is flowing, automatic drains on a schedule, and manual drains where an operator can bleed the bowl. Choose the element: 40 um is the standard grade and 5 um (this unit) suits finer downstream needs. If you want a local pressure readout, order a variant with the embedded square gauge or the external round gauge in MPa, psi or bar scale - this code has no gauge. Thread is NPT here; PT is the standard and G (BSPP) is also an order option. Brackets are optional on GFR, and this code ships without one. Flow is published as curves, not a single rating, so ask us to confirm sizing against your application before ordering.
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 here. Send us your line pressure, set pressure and air consumption and we will confirm the flow from the datasheet and check the sizing for your application before you order.
The N in GFR40015JNWT means no pressure gauge is fitted. If you want a local readout, order a GFR400-15 variant with the embedded square gauge or the external round gauge, in MPa, psi or bar scale; the regulator itself is the same standard type with a 0.15-0.9 MPa (20-130 psi) adjustment range.
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.