The AirTAC GFR40010MF2GK AirTAC Filter Regulator G3/8 with Gauge 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 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 GFR40010MF2GK is an AirTAC GFR400 filter regulator: one body that both removes water and particulate from compressed air and holds downstream pressure steady. This configuration carries a G3/8 (BSPP) port, a manual drain bowl in polycarbonate, a 40 um standard filter element, an embedded square gauge reading in psi, a built-in reverse/check valve, and a mounting bracket. The manual drain lets you vent collected condensate by hand whenever it suits the maintenance routine.
This is a genuine AirTAC part from the GFR400 size, the largest of the G-series filter-regulator sizes (200/300/400/600). Regulation range for this manual-drain unit is 0.05-0.9 MPa (7-130 psi), with a maximum inlet pressure of 1.0 MPa (145 psi) and an operating temperature of -5 to 70 C (non-freezing). Flow is published as curves rather than a single rating, so we confirm the datasheet figures for your application on request.
| Model | GFR40010MF2GK AirTAC Filter Regulator G3/8 with Gauge |
|---|---|
| Series | GFR400 filter regulator |
| Port size | PT3/8" (G (BSPP) thread) |
| Filtering grade | 40 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 — square, psi scale |
| Reflux valve | Fitted (reverse flow permitted) |
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). |
| F | Gauge shape: Square. C is round, F is square. |
| 2 | Gauge scale: psi. 1 is MPa, 2 is psi, 3 is bar. |
| (blank) | Filtering grade 40 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. |
| K | Reverse-flow (reflux) valve fitted. |
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" · 40 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-10 (two-unit set) |
Feeding clean, regulated air to the cylinders and actuators on a carton-forming or case-packing machine, with the manual drain bled during shift-change maintenance and the psi gauge giving operators a direct setpoint readout.
Supplying regulated air to conveyor gate diverters and stop-gate cylinders on a bottling or food-handling line, where the check valve keeps the downstream circuit stable if the upstream supply drops.
Mounted on the bracket inside a CNC machine-tool's pneumatic cabinet, filtering supply air ahead of directional valves and holding a steady regulated pressure for clamping and tool-change circuits.
Sizing a GFR400 comes down to the port and flow step: the 400 size with a 3/8 in port sits above the 200/300 units and below the 600, so match it against the air demand of the circuit - and remember flow is published as curves, not one rated number, so ask us to confirm sizing against your application before ordering. A manual drain suits attended installations where an operator can bleed the bowl; choose the automatic or differential-pressure drain codes if the unit will run unattended. The 40 um element is the standard grade (a 5 um W-code element is available in the family if finer filtration is needed). The square gauge here reads psi; MPa and bar scales are the other catalogue options, and an external round gauge can be specified instead. Thread is G (BSPP) on this unit; PT is the standard and NPT is an order option. A mounting bracket is included, and the fitted reverse/check valve holds the regulated circuit if upstream supply is interrupted.
Quick checklist
The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. The reflux valve permits reverse flow through the unit. A filter regulator adds no oil to the line.
AirTAC publishes flow for the GFR400 as curves rather than a single rated figure, so we do not quote a rated flow number. Send us your application details and we will confirm the flow and datasheet figures for this exact configuration on request before you order.
The M in the code GFR40010MF2GK specifies a manual drain bowl: condensate and collected water are released by hand rather than automatically. That is a good fit for attended installations with a maintenance routine. If the unit will run unattended, the family also offers automatic (A) and differential-pressure (blank) drain codes.
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.