The AirTAC GFR400C10JF3T 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 GFR400 series combines water and particulate filtration with pressure regulation in a single body. This GFR400C10JF3T is built for a 3/8 in NPT port, carries a 40 um filter element, drains condensate by differential pressure, and includes an embedded square pressure gauge scaled in bar. The standard regulator covers an adjustment range of 0.15-0.9 MPa (20-130 psi), the unit takes a maximum inlet pressure of 1.0 MPa (145 psi), and it operates from -5 to 70 C (non-freezing). The bowl on the 400 frame is polycarbonate.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 to 1 in, a choice of differential-pressure, automatic or manual drains, an optional 5 um element (code W) in place of the standard 40 um, and G or NPT threads alongside the PT standard. Flow is published as curves rather than a single rating, so ask us to confirm the datasheet figures for your application.
| Model | GFR400C10JF3T 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) |
Filtering and regulating the shop-air feed to a CNC machining centre's tool-changer and clamping circuits, holding a steady set pressure downstream of the compressor while the 40 um element strips water and debris before they reach the machine's valves.
Conditioning air for the pick-and-place cylinders and sealing jaws on a food-packaging conveyor line, where clean, regulated air keeps valve spools and cylinder seals working reliably through continuous shifts.
Supplying filtered, regulated air to the pneumatic nutrunners and clamp fixtures at an automotive assembly cell, with the bar-scale square gauge letting technicians verify the set pressure at a glance during changeover.
Size 400 with a 3/8 in port sits mid-range in the GFR line; step down to 300 or up to 600 as your air demand dictates, and we can check the flow curves against your consumption before you order. This code fixes the drain as differential-pressure (automatic and manual drains are available on other codes), the element at 40 um (5 um with W), the gauge as an embedded square type scaled in bar (an external round gauge is optional, with MPa/psi/bar scales), and the thread as NPT (PT is the standard; G is also a catalogue option). No mounting bracket is included with the J code and no reverse/check valve is fitted.
Because AirTAC publishes flow only as curves, not a single rated figure, send us your application details and we will confirm sizing and the full 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 flow for the GFR400 as curves rather than a single rated figure, so we do not quote a number here. Send us your application details and we will confirm the flow curves and the full datasheet so you can size the unit against your air consumption before ordering.
This code uses a differential-pressure drain, the GFR standard, which discharges condensate as the pressure differential across the element builds. For unattended or low-flow duty, an automatic drain (code A) or a manual drain (code M, which also widens the regulation range to 0.05-0.9 MPa / 7-130 psi) can be ordered on other codes - ask us which suits your line.
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.