The AirTAC GFR400C10AJC2WK AirTAC Filter Regulator PT3/8, 5 um 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 See datasheet 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 GFR400C10AJC2WK is a filter regulator: one body that removes water and particulate from compressed air and holds downstream pressure at your setpoint. This configuration is a size 400 unit with PT3/8 (3/8 in) ports, a 5 um filter element, an automatic drain that discharges collected condensate on its own, a round pressure gauge reading in psi, and a reverse (check) valve fitted. Maximum inlet pressure is 1.0 MPa (145 psi), the standard regulator covers 0.15-0.9 MPa (20-130 psi), and the operating temperature range is -5 to 70 C (non-freezing). At size 400 the bowl is polycarbonate (PC), and the J suffix means no mounting bracket is included.
This is a genuine AirTAC part. The GFR filter-regulator family spans sizes 200, 300, 400 and 600 with ports from 1/8 to 1 inch, and can be ordered with a manual or differential-pressure drain instead of automatic, a 40 um standard element instead of 5 um, an embedded square gauge or an external round gauge with MPa, psi or bar scales, G (BSPP) or NPT threads in place of PT, and an optional mounting bracket. Flow is published as curves rather than a single rated figure, so ask us to confirm sizing and datasheet figures for your application before ordering.
| Model | GFR400C10AJC2WK AirTAC Filter Regulator PT3/8, 5 um |
|---|---|
| Series | GFR400 filter regulator |
| Port size | See datasheet (PT 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 — factory standard, Factory standard 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. |
|---|---|
| C1 | Port size See datasheet. 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). |
| (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. |
| (blank) | Filtering grade 40 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| (blank) | PT 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 · See datasheet · 40 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-C1 (two-unit set) |
Point-of-use conditioning for a CNC machining center's pneumatic clamps and chip doors: a clean 3/8-inch supply with 5 um filtration and a regulated setpoint held steady through the shift, with the check valve holding the circuit as configured.
Conditioning the air feeding divert gates and stopper cylinders on a bottling or carton packaging conveyor, where the automatic drain handles condensate from humid compressor air without an operator stopping to bleed the bowl.
A filter regulator for plant-air drops serving textile looms and sewing stations, where one unit both strips water and particles from the drop and sets a safe operating pressure for each workstation.
Choose the size and port step (200/300/400/600 with 1/8 to 1 inch ports) against the flow your line needs - larger sizes carry more flow, and we will match the published curve to your demand on request. Pick the drain: this unit has an automatic drain (code A); manual and differential-pressure drains are the alternatives. Pick the element: 5 um here (code W) where finer filtration is needed, 40 um as the standard. For the gauge, the embedded square gauge is standard and an external round gauge is optional, with MPa, psi or bar scales - this unit carries a round psi gauge. Thread is PT as standard, with G (BSPP) and NPT as order options, and the J suffix means no mounting bracket. Because flow is published as curves, not a single rating, ask us to confirm sizing against the datasheet 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 GFR400 series as curves, not as a single rated figure, so we do not quote a number here. Send us your application's flow and pressure requirements and we will confirm sizing against the AirTAC datasheet before you order.
The A in this model code specifies an automatic drain, which discharges collected condensate from the bowl without manual attention. The GFR series is also available with a manual drain or with the differential-pressure drain (the default), so tell us which you prefer when ordering.
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.