The AirTAC GFR40010MLC1TK AirTAC Filter Regulator NPT3/8 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 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 GFR400-10 is a filter regulator: one body that removes water and particulate from compressed air and holds downstream pressure at a set point. This configuration is the 400 size on a 3/8 in NPT port, with a manual-drain polycarbonate bowl, the standard 40 um filter element, the low-pressure regulator type, an external round pressure gauge reading in MPa, and a fitted reverse/check valve. A mounting bracket is included. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C, non-freezing.
This is a genuine AirTAC part. The GFR family runs from sizes 200 to 600 with ports from 1/8 to 1 in, and options across drain types (differential-pressure, automatic, manual), a 5 um element (code W), embedded square or external round gauges with MPa, psi or bar scales, G or NPT threads, and bracket choices. Flow is published as curves rather than a single rating, so we confirm the datasheet and sizing figures for your application on request.
| Model | GFR40010MLC1TK AirTAC Filter Regulator NPT3/8 |
|---|---|
| Series | GFR400 filter regulator |
| Port size | PT3/8" (NPT thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.05 - 0.9 MPa (7 - 130 psi) |
| Pressure type | Low-pressure 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, MPa 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. The low-pressure type adjusts over a lower band than standard; we confirm the exact figures from the factory datasheet. 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)). |
| L | Low-pressure 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. |
| 1 | Gauge scale: MPa. 1 is MPa, 2 is psi, 3 is bar. |
| (blank) | Filtering grade 40 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| T | NPT 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) |
Filtered, regulated air to the pneumatic clamps on a carton-sealing line, with the manual drain letting an operator release accumulated water at the start of each shift.
Point-of-use conditioning ahead of pick-and-place grippers on a small-parts assembly cell, where the fitted check valve blocks reverse flow back toward the supply.
A conditioning point on a branch line feeding low-pressure pneumatic tooling, where the low-pressure regulator type and round MPa gauge suit lower set points.
Size and port step up with required flow: 200 through 600, here the 400 size on a 3/8 in NPT port (PT is the standard thread; G and NPT are order options). The drain on this unit is manual - accumulated water is released by hand as part of routine service - while automatic and differential-pressure drains are available elsewhere in the family. Filtration is the standard 40 um element; the 5 um option (code W) suits finer downstream needs. The L code marks the low-pressure regulator type, chosen where the set point sits below the standard range; its exact adjustment range is not published here, so confirm it with us. The gauge is the external round type reading in MPa; embedded square gauges and psi or bar scales are options, and a reverse/check valve is fitted. Flow is published as curves, not a single rating, so ask us to confirm sizing against your application before ordering.
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 G-series flow as curves rather than a single rated figure, so we do not quote a number here. Tell us your application and we will confirm the flow and sizing data from the GFR400 datasheet on request.
The M in the code is a manual drain: water collected in the polycarbonate bowl is released by hand, versus the automatic and differential-pressure drains offered in the family. The L marks the low-pressure regulator type, intended for lower set points; its exact adjustment range is not published here, so confirm it with us before 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.