The AirTAC GFR400C10ALJC2 AirTAC 3/8 in Filter Regulator, Low-Pressure 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 GFR400C10ALJC2 is a size-400 filter regulator: it removes water and particulate from compressed air through a 40 um element and regulates downstream pressure in one body. This configuration is built for a low-pressure circuit, comes with an automatic drain that bleeds collected condensate from the polycarbonate bowl without manual attention, and is fitted with an external round gauge reading in psi. The port is PT3/8 (3/8 in, PT thread as standard).
This is a genuine AirTAC part from the GFR400 series. The GFR line spans sizes 200, 300, 400 and 600 with port options from 1/8 in to 1 in, a choice of automatic, manual or differential-pressure drains, an optional 5 um element, gauge styles and scales, and G or NPT thread variants to order. Flow is published as curves rather than a single rating, so ask us and we will confirm the datasheet figures for your application.
| Model | GFR400C10ALJC2 AirTAC 3/8 in Filter Regulator, Low-Pressure |
|---|---|
| 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) |
Feeds filtered, regulated air to the clamp-and-seal cylinders on a carton sealing or wrapping station, with the automatic drain keeping condensate out of the valves during continuous shifts.
Supplies the low-pressure clamping circuit of a CNC fixture or jig, where the 40 um element protects the clamp cylinders and the psi gauge lets the setter read the holding circuit directly.
Prepares air for conveyor-mounted blowoff nozzles and diverters, combining water and particle removal with low-pressure regulation in a single 3/8 in unit at the line drop.
Size 400 with a 3/8 in PT port suits lines where the required flow sits above the 300 frame; step up or down by port size against your demand. The 40 um element is the standard grade; specify code W if the application needs 5 um filtration. The automatic drain here handles condensate discharge on its own - choose manual where you prefer operator-controlled draining, or differential-pressure where draining should follow a set pressure drop. The fitted round gauge reads in psi; embedded square gauges and MPa or bar scales are the other catalogue options. G (BSPP) and NPT threads are order options alongside the PT standard, and a mounting bracket can be added if the J (no bracket) build does not suit your panel. Regulation range for the low-pressure type is not published as a single figure, and flow is given as curves, not a rating - send us your line conditions and we will confirm sizing from the datasheet 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 GFR400 series as curves, not as a single rated number, so we do not quote a figure here. Tell us your line pressure and air demand and we will confirm the sizing against the datasheet curves on request before you order.
The A in the code selects the automatic drain: collected condensate is discharged from the polycarbonate bowl without an operator having to open it, which suits unattended or continuous-duty installations. The C2 code means an external round gauge fitted, reading in psi; the embedded square gauge with MPa or bar scales is the other catalogue option.
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.