The AirTAC GFR400C10LJF2WT 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 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 AirTAC GFR400C10LJF2WT is a filter regulator: water and particulate filtration plus pressure regulation combined in a single body, with a drain bowl but no lubricator. This size 400 unit carries a 3/8 in NPT port, a 5 um filter element (the W grade, finer than the 40 um standard), a differential-pressure drain, and the low-pressure regulator type. A square gauge with a psi scale is fitted, and no mounting bracket is included.
This is a genuine AirTAC part. The GFR400 series shares the G-family size steps (200, 300, 400 and 600) with port options from 1/8 to 1 in, drain choices (differential-pressure, automatic or manual), 40 um or 5 um elements, gauge scales in MPa, psi or bar, and PT, G or NPT threads. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C, non-freezing. Because flow is published as curves rather than a single rating, we confirm the datasheet figures for your application on request.
| Model | GFR400C10LJF2WT AirTAC Filter Regulator NPT3/8 |
|---|---|
| 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) |
Feeding hold-down clamps and actuated fences on a woodworking router, where the low-pressure regulator type is specified for circuits set below the standard range and the 5 um element keeps fine dust out of the valves.
Conditioning the air that drives stoppers, pushers and lift gates on a bottling conveyor, with the differential-pressure drain clearing condensate from the bowl without daily manual attention.
A filtered, regulated drop on a laboratory compressed-air ring main, where the 5 um element and the fitted psi gauge give bench instruments a clean supply at a readable, repeatable setting.
Choose the size and port against the air demand of the circuit: this unit is size 400 with a 3/8 in NPT port, one step up from the 300 series. The drain here is the differential-pressure type, which clears the bowl as the pressure differential rises; automatic and manual drains are order options if the installation suits them better. The 5 um element (code W) suits circuits that need finer particulate removal than the 40 um standard. The fitted square gauge reads in psi; MPa and bar scales are alternatives, and an external round gauge is optional. NPT is the thread on this code; PT and G are order options. No mounting bracket is fitted, so plan the mounting accordingly. Because flow is published as curves rather than a single rated figure, 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. Without the K option, air cannot flow back through the unit. A filter regulator adds no oil to the line.
AirTAC publishes flow for this series as curves, not as a single rated figure, so we do not quote a number here. Send us your line pressure and air demand and we will confirm the flow and the full datasheet for this exact model on request.
This unit leaves the drain position blank, which is the differential-pressure type: it clears accumulated condensate as the pressure differential across the element rises. Automatic (code A) and manual (code M) drains are catalogue options on the GFR400 if your installation calls for one.
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.