The AirTAC GFR400C15MLJC2WTK AirTAC Filter Regulator NPT1/2 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 GFR400C15MLJC2WTK is an AirTAC GFR400 filter regulator: water and particulate filtration plus pressure regulation in a single body. This configuration is the size 400 unit with a 1/2 in NPT port, a 5 um filter element (code W), a manual drain, and the low-pressure regulator type (L code) for circuits that call for the low-pressure variant. It carries an external round gauge scaled in psi, a reverse/check valve (K), and is supplied without a mounting bracket (J). The polycarbonate bowl is standard for this size, and the unit works at up to 1.0 MPa (145 psi) inlet in the non-freezing -5 to 70 C range.
This is a genuine AirTAC part. The GFR family covers sizes 200, 300, 400 and 600 with ports from 1/8 to 1 in, a choice of differential-pressure, automatic or manual drain, 40 um standard or 5 um filtration, gauge and scale options, and PT, G or NPT threads. Flow for this size is published as curves rather than a single rating, so ask us to confirm the datasheet figures for this exact configuration against your application before ordering.
| Model | GFR400C15MLJC2WTK AirTAC Filter Regulator NPT1/2 |
|---|---|
| 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) |
Point-of-use filter regulator feeding pneumatic cylinders and clamps on a packaging machine, keeping water and fine particles out of the directional valves while holding a low set pressure at the machine.
Conditioning the air feed to a leak-test or calibration bench where instruments need clean air at a low, stable setting and the panel carries a visible psi gauge.
Regulated air for diverter gates and stop cylinders along a conveyor line, with the 5 um element protecting the valves from fine particulate carryover.
Size the unit by the port step you need: size 400 with a 1/2 in port sits in the middle of the GFR range, with 200/300 below it and 600 above for larger ports and flows. Choose the drain to match your maintenance routine: manual (this unit) releases condensate only when operated, automatic drains continuously, and differential-pressure drains on a pressure drop. Pick 40 um for general protection or the 5 um element (W) for finer filtration. Gauge options are the embedded square gauge or an external round gauge in MPa, psi or bar scales - this unit carries the round psi gauge. Thread is NPT here; PT is the standard and G is also an order option, and the J code means no bracket. Flow is published as curves, not a single rating, so send us your flow and pressure requirements and we will confirm sizing 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 one number. Tell us your required flow and working pressure and we will confirm the datasheet curve for this exact configuration on request.
The M code sets a manual drain: condensate is released only when the drain is operated, which suits points checked as part of a routine. If the unit sits where it cannot be attended regularly, ask us about the automatic or differential-pressure drain versions of the same GFR400 size.
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.