The AirTAC GFR400C10LJC2WGK AirTAC Filter Regulator G3/8, 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 GFR400C10LJC2WGK is an AirTAC GFR400 filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in a single body. This configuration is tapped G3/8 (BSPP), carries the finer 5 um filter element, and disgrades condensate through a differential-pressure drain. The regulator is the low-pressure type, a round gauge reading in psi is fitted, and a reverse/check valve is installed. The bowl on this unit is metal, no mounting bracket is included, and maximum inlet pressure is 1.0 MPa (145 psi).
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 to 1 inch, and options include 40 um or 5 um filtration, differential-pressure, automatic or manual drains, embedded square or external round gauges in MPa, psi or bar scales, and PT, G or NPT threads. Operating temperature is -5 to 70 C (non-freezing). We confirm flow and other datasheet figures on request, since flow is published as curves rather than a single rating.
| Model | GFR400C10LJC2WGK AirTAC Filter Regulator G3/8, 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) |
Feeds spray guns on a finishing line with filtered air and holds the low, stable gun pressure the operator sets, while the 5 um element and condensate drain keep particulate and water out of the finish.
Supplies instrument air to bench-top test rigs where the round psi gauge gives a local pressure readout and the fitted check valve holds the set circuit if the plant supply dips.
Runs diverter and stopper cylinders on a sortation conveyor, with the filter-regulator keeping the actuator supply at one station clean and regulated at a fixed set point.
Choose the size by port and flow: this unit is size 400 with a G3/8 port, and larger sizes carry larger ports and more flow. The low-pressure type (L) fitted here is the regulator variant intended for lower set pressures; its exact adjustment range is not published, so confirm it with us. Drain choice matters: the differential-pressure drain fitted here discharges condensate without attention once the pressure differential is sufficient, while automatic and manual drains are orderable alternatives. Filtration is 5 um on this code; 40 um is the standard grade where finer filtration is not required. The round gauge reads in psi; embedded square gauges and MPa or bar scales are options. Thread is G (BSPP); PT is the standard thread and NPT is orderable. No bracket is included with this code.
Flow for this series is published as curves, not as 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 this series as curves, not as a single rated figure, so we do not quote a number. Send us your application details and we will confirm the flow and the full datasheet on request.
It is the regulator variant intended for lower set pressures than the standard type. The exact adjustment range for this variant is not published in our sheet, so confirm it with us before ordering. Everything else decodes normally: G3/8 port, 5 um element, differential-pressure drain, round psi gauge and a fitted check valve.
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.