The AirTAC GFR400C10MLJF2 AirTAC Low-Pressure Filter Regulator 3/8 PT 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 GFR400C10MLJF2 is an AirTAC GFR filter regulator: a filter element and a pressure regulator built into one body, so the air is cleaned of water and particulate and then set to the working pressure in a single unit. This size 400 configuration is ported PT3/8 (3/8 in, PT thread as standard; G and NPT are order options), is the low-pressure regulator type, has a manual drain for scheduled water removal, a 40 um filter element (5 um available as code W), and an embedded square gauge reading in psi. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C, non-freezing. The polycarbonate bowl suits the size 400 frame, and no mounting bracket is included with this code.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with port options from 1/8 to 1 in, and each size can be ordered with automatic, manual or differential-pressure draining, a 40 um or 5 um (W) element, gauge or no gauge in MPa, psi or bar scales, a reverse/check valve, and G, NPT or PT threads. AirTAC publishes flow as curves rather than a single rated figure, so ask us and we will confirm the datasheet figures for your application before you order.
| Model | GFR400C10MLJF2 AirTAC Low-Pressure Filter Regulator 3/8 PT |
|---|---|
| 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) |
Cleaned, pressure-set air for the tape-head and flap cylinders on a carton sealer; the 3/8 in port feeds the machine's main air drop and the manual drain is emptied at shift end.
Low-pressure actuator circuits on an automated sample-handling station, where the low-pressure regulator type is specified for the circuit and the psi gauge gives a familiar readout.
Supply air for gripper and clamp cylinders around a robotic weld cell; the 40 um element keeps particulate and condensed water out of the directional valves.
Work from the port step first: size 400 carries PT3/8 (3/8 in), and the 200/300/400/600 ladder exists so you can step up or down until the port and the flow curve match your demand - we confirm curve figures on request rather than quoting a single rating. This code is fixed as: low-pressure regulator type (its exact adjustment range is not published in the material we hold, so we confirm it on request), manual drain, 40 um element, embedded square gauge on the psi scale, no reverse/check valve and no mounting bracket. If you would rather drain without a walk-round, the same unit is orderable with an automatic or differential-pressure drain; if you need finer filtration, the W code gives a 5 um element. Thread is PT as standard with G (BSPP) and NPT as order options, and a bracket can be added at order time.
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 flow as curves, not as a single rated figure, so we do not quote a number here. Send us your flow and pressure requirement and we will confirm the datasheet curve figures for this 3/8 in unit against your application before you order.
The M in this code selects a manual drain: collected water is released by operating the drain at the bowl, which suits lines where someone walks the equipment on a schedule. The same GFR400 family is orderable with an automatic drain or the default differential-pressure drain if you prefer draining without that walk-round.
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.