The AirTAC GFR40010JF1TK AirTAC Filter Regulator 3/8 in NPT 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 PT3/8" 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 GFR40010JF1TK 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 has a 3/8 in NPT port, 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 pressure gauge scaled in MPa. A reverse (check) valve is fitted, so downstream pressure is held if the upstream supply is lost, and the unit is supplied without a mounting bracket. Maximum inlet pressure is 1.0 MPa (145 psi) and the standard regulator adjustment range is 0.15-0.9 MPa (20-130 psi); operating temperature is -5 to 70 C, non-freezing. The polycarbonate bowl suits the size 400 frame; only size 600 units use an aluminium alloy bowl.
This is a genuine AirTAC part from the G-series filter regulator line, which spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in and a choice of PT, G (BSPP) or NPT threads, manual, automatic or differential-pressure drains, 40 um or 5 um (W) filter grades, and MPa, psi or bar gauge scales. 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 | GFR40010JF1TK AirTAC Filter Regulator 3/8 in NPT |
|---|---|
| Series | GFR400 filter regulator |
| Port size | PT3/8" (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, MPa scale |
| Reflux valve | Fitted (reverse flow permitted) |
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. |
|---|---|
| 10 | Port size PT3/8". 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. |
| (blank) | Pressure gauge fitted (blank). |
| F | Gauge shape: Square. C is round, F is square. |
| 1 | Gauge scale: MPa. 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. |
| K | Reverse-flow (reflux) valve fitted. |
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 · PT3/8" · 40 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-10 (two-unit set) |
Filtered, regulated air for a bench or C-frame pneumatic press, with the check valve holding the set pressure at the cylinder if the shop supply dips mid-stroke.
Conditioning the air feeding conveyor stoppers, diverters and carton-closing cylinders on a packaging line, where clean, steady pressure keeps cycle behaviour repeatable.
A point-of-use filter regulator on a plant air drop serving general pneumatic tooling and small actuators, with the square MPa gauge giving a local setpoint readout.
Size 400 with a 3/8 in port sits in the upper-middle of the G-series range; step up to size 600 or down to size 300 according to the flow your line needs, since larger sizes carry larger ports and more flow capacity. This unit keeps the standard 40 um element, which is right for general plant air; choose the W-coded 5 um grade if downstream equipment needs finer filtration. The differential-pressure drain is fitted as standard and needs no operator attention; manual and automatic drains are available on other configurations if you prefer a set service interval or continuous automatic bleeding. The embedded square gauge reads in MPa; psi and bar scales and an external round gauge are orderable alternatives. The T in the code fixes the thread as NPT; PT is the catalogue standard and G (BSPP) is also offered. A mounting bracket is not included with this J-coded unit, so plan for rigid piping support. Because flow is published as curves rather than a single rating, send us your application details 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. The reflux valve permits reverse flow through the unit. A filter regulator adds no oil to the line.
AirTAC publishes flow for this series as curves rather than a single rated figure, so there is no one rated flow number we can honestly quote. Tell us your line pressure, downstream demand and allowable pressure drop, and we will confirm the sizing from the datasheet on request before you order.
K means a reverse (check) valve is fitted, so downstream pressure is held if the upstream supply is interrupted. The drain on this unit is the differential-pressure type: condensate collected in the polycarbonate bowl is bled off automatically when the pressure differential across the 40 um element rises, with no manual draining needed.
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.