The AirTAC GFR400C10AJF2G AirTAC Filter Regulator G3/8 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 GFR400C10AJF2G is a size 400 filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in one body. This configuration carries a G3/8 (BSPP) port, a 40 um standard filter element, and an automatic drain that expels collected condensate without manual attention. The standard-type regulator covers an adjustment range of 0.15-0.9 MPa (20-130 psi) with a maximum inlet pressure of 1.0 MPa (145 psi), and an embedded square gauge scaled in psi is fitted so the set pressure is visible at the unit. The polycarbonate bowl suits the size 400 frame, and the J code means no mounting bracket is included. Operating temperature is -5 to 70 C, non-freezing.
This is a genuine AirTAC part in the GFR filter-regulator family, which spans sizes 200, 300, 400 and 600 with port sizes from 1/8 to 1 inch. Across the range you can order manual or differential-pressure drains, a 5 um element (code W), MPa or bar gauge scales, an external round gauge, PT or NPT threads, and a bracket where needed. Flow for this series is published as curves rather than a single rated figure, so ask us to confirm the datasheet figures for your application before ordering.
| Model | GFR400C10AJF2G AirTAC Filter Regulator G3/8 |
|---|---|
| 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 clean, regulated air to the tool-clamp and chip-clearing cylinders on a CNC machining centre, with the automatic drain handling condensate from a humid compressor room.
Conditions the air feeding gripper and gating actuators on a bottling conveyor, holding a steady regulated pressure so pick-and-place timing stays repeatable through the shift.
Supplies filtered, regulated air to the pneumatic valves on an automated sample-handling or analytical instrument, with the psi gauge giving operators a visible setpoint check.
Size 400 with a 3/8 port sits in the upper-middle of the GFR range; step up to size 600 or down to 300/200 depending on the flow your line needs. Drain choice matters: this unit is automatic (code A), while differential-pressure (blank) and manual (M) versions exist - automatic suits unattended duty, manual suits periodic checks. The 40 um element is standard; specify 5 um (code W) if downstream equipment needs finer filtration. The fitted square gauge here reads in psi; MPa and bar scales are available, and an external round gauge is optional. PT is the standard thread, with G (BSPP) and NPT as order options - this unit is the G version. Brackets are optional on GFR; this code omits one.
Flow for the GFR series is published as curves, not a single rating, so send us your application details and we will confirm the sizing against 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 GFR series as curves rather than a single rated figure, so we do not quote one number. Send us your application details and we will confirm the flow and full datasheet figures for this 3/8 unit on request.
The A in the code means an automatic drain: collected condensate is expelled without operator attention. The GFR family also offers a differential-pressure drain (blank code) and a manual drain (code M), so you can match the drain to how the unit is attended in service.
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.