The AirTAC GFR40010MC2WG AirTAC Filter Regulator, G3/8, 5 um is a genuine G-series filter regulator: water separation, 5 µm particulate filtration and balanced-type pressure regulation combined in a single body. It has PT3/8" ports, a manual drain and regulates 0.05 - 0.9 MPa (7 - 130 psi). It does not lubricate — add a GL lubricator, or order the GFC two-unit set, if downstream equipment needs oil.
The AirTAC GFR40010MC2WG is a filter regulator: it removes water and particulate from compressed air and sets downstream pressure in one body. This 400-size unit is fitted with a 3/8 in G (BSPP) port, a 5 um filter element for finer filtration than the standard 40 um grade, a manual drain on the PC bowl, and a round psi gauge for direct set-point reading. The standard regulator covers an adjustment range of 0.05-0.9 MPa (7-130 psi), with a maximum inlet pressure of 1.0 MPa (145 psi) and a working temperature of -5 to 70 C (non-freezing). A mounting bracket is included.
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 manual, automatic or differential-pressure drain, 40 um or 5 um filtration, gauge style and scale, 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 numbers for your application on request.
| Model | GFR40010MC2WG AirTAC Filter Regulator, G3/8, 5 um |
|---|---|
| Series | GFR400 filter regulator |
| Port size | PT3/8" (G (BSPP) thread) |
| Filtering grade | 5 µm |
| Regulating range | 0.05 - 0.9 MPa (7 - 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 | Manual drain |
| Bowl material | PC |
| Pressure gauge | Fitted — round, psi 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 0.05 - 0.9 MPa (7 - 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. |
|---|---|
| 10 | Port size PT3/8". This body offers 10 = PT3/8", 15 = PT1/2". |
| M | Drain: Manual drain — this also sets the regulating band (0.05 - 0.9 MPa (7 - 130 psi)). |
| (blank) | Standard type. Blank is standard, L is the low-pressure type. |
| (blank) | Mounting bracket included. |
| (blank) | Pressure gauge fitted (blank). |
| C | Gauge shape: Round. C is round, F is square. |
| 2 | Gauge scale: psi. 1 is MPa, 2 is psi, 3 is bar. |
| W | Filtering grade 5 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| G | G (BSPP) 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 · PT3/8" · 5 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-10 (two-unit set) |
Point-of-use supply for a machining cell: the 5 um element protects solenoid valves and air tools from fine particles and condensed water, while the regulator holds a steady setting for clamps and tool changers.
Feeding pneumatic cylinders and diverters on a carton or bottle line, where the manual drain suits a shift-based maintenance routine and the psi gauge lets technicians set and verify line pressure at a glance.
Cleaner, regulated air for bench-mounted test rigs and lab apparatus, where the 5 um grade and a locked-in pressure setting keep instruments and small actuators on stable supply.
Choose the 400 size with its 3/8 in port when your line sits in the middle of the GFR flow range; step up to 600 or down to 300/200 as your demand requires - we will check the published flow curves against your consumption before you order. This unit carries the 5 um element (code W) instead of the 40 um standard, which suits finer-particle protection; the manual drain means an operator opens the bowl drain during checks rather than relying on an automatic or differential-pressure mechanism. The round gauge is scaled in psi; square embedded gauges and MPa or bar scales are alternatives in the series. The G (BSPP) thread is ordered as an option - PT is the standard thread, and NPT is also available. A mounting bracket is included with this configuration.
Because flow for the GFR series is published as curves and not as a single rated figure, send us your application details and we will confirm sizing from the datasheet on request.
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 figure here. Tell us your operating pressure and air consumption and we will confirm the relevant datasheet flow figures for this 3/8 in, 400-size unit on request.
The M in the code specifies a manual drain: an operator opens the bowl drain to expel collected water, which suits lines checked on a fixed maintenance schedule. The GFR400 series is also available with an automatic drain (code A) or the differential-pressure drain (blank) - specify the code you prefer when ordering.
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.