The AirTAC GFR400C10JC3WT AirTAC Filter Regulator 3/8 in NPT 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 GFR400C10JC3WT is a size 400 filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in a single body. This configuration has a 3/8 in NPT port, a 5 um filter element (the finer of the two catalogue grades), a differential-pressure drain that bleeds collected condensate automatically when flow resumes, and a round pressure gauge reading in bar. The regulator is the standard type with an adjustment range of 0.15-0.9 MPa (20-130 psi), and no reverse/check valve is fitted. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C (non-freezing). The bowl on size 400 units is polycarbonate (PC), and this unit is ordered without a mounting bracket.
This is a genuine AirTAC part. The GFR family is published in sizes 200, 300, 400 and 600, with port sizes from 1/8 in to 1 in, a choice of differential-pressure, automatic or manual drain, 40 um or 5 um filtration, square or round gauges with MPa, psi or bar scales, G, NPT or PT threads, and optional brackets or check valves. Flow is published as curves rather than a single rated figure, so ask us to confirm the datasheet and sizing figures for your application on request.
| Model | GFR400C10JC3WT AirTAC Filter Regulator 3/8 in NPT |
|---|---|
| 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) |
Clean, regulated air feeding tool-clamp and chuck-actuation circuits on a machining centre, where the 5 um element protects fine pilot valves and the bar gauge lets setters check line pressure at a glance.
A filtered, regulated drop feeding pick-and-place and carton-forming cylinders on a packaging conveyor, with the differential-pressure drain handling condensate through shift cycles without manual venting.
Point-of-use air preparation at a spray booth or coating station, where the 5 um grade reduces particulate carry-over to the finish and the regulator holds a steady set pressure for consistent atomising.
Size 400 with a 3/8 in port sits in the middle of the GFR range; step up or down (200/300/400/600) according to the flow your line needs and the port size of your existing pipework. The 5 um element in this unit suits applications that need finer particulate removal than the 40 um standard grade; keep 40 um where coarse protection is enough. Drain choice matters: differential-pressure drain (fitted here) discharges condensate on flow changes, automatic drain suits unattended installations, and manual drain suits low-moisture duties. Gauge options are the embedded square gauge or an external round gauge, scaled in MPa, psi or bar (bar here). Thread is NPT on this unit; G (BSPP) and PT are the other catalogue options. A bracket can be added if you need panel or wall fixing - this unit is ordered without one. 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. Without the K option, air cannot flow back through the unit. A filter regulator adds no oil to the line.
AirTAC publishes flow for the GFR400 series as curves, not as a single rated figure, so we do not quote a l/min, m3/h or SCFM number. Send us your application details and we will confirm the datasheet and check the sizing for you on request.
The code ends in W, which selects the 5 um filter grade instead of the 40 um standard element - useful where finer particulate protection is needed. With no drain letter in the code, the bowl uses the differential-pressure drain, which discharges condensate automatically as flow varies, with no manual venting required.
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.