The AirTAC GFR400C10F2WGK 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 AirTAC GFR400C10F2WGK is a size 400 filter regulator: water and particulate filtration plus downstream pressure regulation combined in a single body. This configuration carries a G3/8 (BSPP) female port, a 5 um filter element (code W, finer than the 40 um standard), a differential-pressure drain that bleeds collected condensate automatically as flow passes through, an embedded square gauge reading in psi, and a built-in reverse/check valve. A mounting bracket is included and the polycarbonate bowl suits the non-freezing -5 to 70 C working range.
This is a genuine AirTAC part from the GFR line, which spans sizes 200, 300, 400 and 600 with port options from 1/8 to 1 inch, three drain types, 40 um or 5 um filtration, gauge scale choices and PT, G or NPT threads. Flow figures for this series are published as curves rather than a single rating, so ask us and we will confirm the datasheet figures for your application on request.
| Model | GFR400C10F2WGK 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) |
Clean, pressure-stable air for the clamping cylinders and pneumatic vices on a machining centre, with the 5 um element protecting fine control valves downstream and the check valve holding the clamp circuit if upstream supply dips.
Point-of-use air preparation for the diverters, pushers and stop cylinders along a packaging conveyor, where the regulator holds a consistent setting and the differential-pressure drain keeps condensate out of the actuators.
A filtered, regulated branch feed for pneumatic control valves and air-operated instruments on a factory floor, with the psi gauge giving operators a local reading and the bracket allowing clean panel-side mounting.
Start with the port and size step: this unit is size 400 with a 3/8 in port, one step up from size 300, and the right choice depends on the air demand of the circuit it feeds - we can check the published flow curves against your requirement before you order. Drain type is a real decision: this unit uses the differential-pressure drain (the default), while automatic (A) and manual (M) versions exist. Filtration is 5 um here (code W); the standard element is 40 um if your application does not need finer air. The fitted square gauge reads in psi; MPa and bar scales are available, and an external round gauge is an option. Thread is G (BSPP); PT is the catalogue standard and NPT can be ordered. A bracket is included with this unit.
One honest note on sizing: AirTAC publishes flow for this series as curves, not as a single rated number, so send us your application details and we will confirm the right size 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 performance curves rather than a single rated figure, so there is no one l/min or SCFM number we can honestly quote. Tell us your application and required air demand, and we will confirm the sizing from the datasheet curves on request before you order.
The W in the model code specifies the optional 5 um filter grade, one step finer than the 40 um standard element. Choose 5 um where downstream equipment such as precision valves or sensitive actuators needs cleaner air; the 40 um grade remains available in other GFR400 configurations if your application does not require it.
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.