The AirTAC GFR40010ALC2G AirTAC Filter Regulator G3/8 Low-Pressure 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 automatic 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 GFR40010ALC2G is an AirTAC GFR-series filter regulator: water and particulate filtration plus pressure regulation combined in a single body. This unit is built on the 400 size with a G3/8 (BSPP) port and is the low-pressure type, intended for circuits where the downstream pressure is held at a reduced setting. The automatic drain expels collected condensate without manual blowdown, the standard 40 um element covers general-purpose air preparation, and this configuration carries an external round gauge reading in psi (the embedded square gauge is the family standard). The bowl on the 400 size is polycarbonate, and a mounting bracket is included.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 in to 1 in, and options include manual or differential-pressure drains, a 5 um element (code W), square or round gauges scaled in MPa, psi or bar, and PT, G or NPT threads. Flow is published as curves rather than a single rated figure, so ask us to confirm the datasheet figures for your application.
| Model | GFR40010ALC2G AirTAC Filter Regulator G3/8 Low-Pressure |
|---|---|
| Series | GFR400 filter regulator |
| Port size | PT3/8" (G (BSPP) thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.15 - 0.9 MPa (20 - 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 | Automatic 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. 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". |
| A | Drain: Automatic drain — this also sets the regulating band (0.15 - 0.9 MPa (20 - 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. |
| 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. |
| (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" · 40 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-10 (two-unit set) |
Feeding low-pressure clamping fixtures and swing clamps on a CNC machining cell, where the regulator holds a reduced downstream pressure and the 40 um element keeps directional valves and cylinders clean.
Air preparation for packaging machinery actuators and product diverters; the automatic drain handles condensate on a line that runs through shifts without a daily manual blowdown routine.
Point-of-use preparation at assembly-station air drops, combining filtration and regulation in one body to save panel space, with the psi round gauge giving operators a direct pressure check.
Every choice on this family is decodable from the code. Step up or down in size (200/300/400/600) to match the port and flow path your line needs - here the 400 size carries a 3/8 in port. Choose the drain: automatic (this unit) for unattended condensate removal, manual for periodic service, or differential-pressure as the default. Filter grade is 40 um standard; specify W for the 5 um element where finer particulate matters. Gauges come as the embedded square type or an external round gauge, scaled in MPa, psi or bar - this unit carries a round psi gauge. Thread is PT as standard, with G (BSPP) and NPT as order options; brackets are included unless code J is specified. Because flow is published as curves rather than a single rating, send us your application details and we will confirm sizing against the datasheet 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 GFR-series flow as curves rather than a single rated figure, so we do not quote a number here. Send us your application details - port size, downstream demand and duty - and we will confirm the flow curve and sizing from the datasheet on request.
The L code marks the low-pressure regulator type, chosen where the downstream circuit runs at a reduced pressure; the exact regulation range for this type is not published, so we confirm it on request. The A code adds an automatic drain, which expels condensate from the bowl without manual blowdown - useful on equipment that runs unattended between service rounds.
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.