The AirTAC GFR400C10MF2WG 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 GFR400C10MF2WG is an AirTAC GFR400 filter regulator: water and particulate filtration plus pressure regulation combined in a single body. This configuration is decoded as a G3/8 (3/8 in) port with G (BSPP) thread, a 5 um filter element (the fine W grade, against the 40 um standard), a manual drain, and a standard regulator adjustable from 0.05-0.9 MPa (7-130 psi). It carries the embedded square gauge with a psi scale, includes a mounting bracket, and has no reverse/check valve. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C, non-freezing. The size 400 bowl is polycarbonate.
This is a genuine AirTAC part from the GFR filter-regulator family, which spans sizes 200, 300, 400 and 600 with a choice of ports, drain types (differential-pressure, automatic or manual), 40 um or 5 um filtration, and gauge scales in MPa, psi or bar. Flow is published as curves rather than a single rated figure, so we confirm the datasheet and sizing figures on request before you order.
| Model | GFR400C10MF2WG 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) |
Point-of-use conditioning for the pneumatic clamps and tool-change cylinders on a machining centre: the 5 um element protects the clamping valves from water and fine particulate, and the regulator holds the clamp pressure the fixture was set up with.
Mounted where air taps off the main header to feed the stoppers, pushers and diverters on a cartoning or bottling conveyor, keeping condensate and scale out of the directional valves while holding a stable set pressure for consistent cylinder action.
Installed at the air drop feeding spray guns in an automotive or furniture finishing booth, where the 5 um grade helps keep water and fine particles out of the finish and the regulator sets the gun supply pressure the painter works to.
Start with the size and port: 400 is the third step in the GFR range (200/300/400/600), and the 3/8 in port should be stepped up or down against the air demand of the circuit - we confirm the flow curve for each size on request. Drain type is a real choice here: this unit has a manual drain, which also widens the regulation range to 0.05-0.9 MPa (7-130 psi); automatic and differential-pressure drains are available in the family if you prefer unattended condensate removal. The 5 um element in this code is the fine option - choose it where downstream equipment tolerates less particulate; the 40 um standard grade suits general supply. The square gauge here reads in psi; MPa and bar scales are alternatives. Thread is G (BSPP) as decoded; PT is the catalogue standard and NPT is also an order option. A bracket is included. Before ordering, ask us to confirm sizing against your application, since flow is published as curves, not a single rating.
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, not as a single rated number, so we do not quote a l/min or SCFM figure. Send us your inlet pressure and required downstream flow and we will confirm the sizing from the datasheet on request before you order.
The M in the code selects the manual drain: condensate collected in the polycarbonate bowl is drained by hand, so someone needs to bleed the bowl periodically. The upside is the widest regulation range in the family, 0.05-0.9 MPa (7-130 psi). If you cannot rely on manual draining, the differential-pressure (default) or automatic drain versions of the same size are the alternatives.
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.