The AirTAC GFR400C15MJF2W AirTAC Filter Regulator PT1/2, 5 um 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 GFR400C15MJF2W is an AirTAC GFR400 filter regulator: one body that removes water and particulate from compressed air and holds a regulated downstream pressure. This configuration is sized for a PT1/2 port and carries a 5 um filter element (the finer of the two catalogue grades), a manual drain on the polycarbonate bowl, a standard regulator with a 0.05-0.9 MPa (7-130 psi) adjustment range, and an embedded square gauge reading in psi. No reverse/check valve is fitted and no mounting bracket is included.
It is a genuine AirTAC part, rated for a maximum inlet pressure of 1.0 MPa (145 psi) and operating at -5 to 70 C (non-freezing). The GFR400 series sits in the G-range that spans sizes 200, 300, 400 and 600, with port options from 1/8 to 1 in, PT as the standard thread and G or NPT to order; drain type, filter grade, gauge scale and bracket choices vary by code. Flow is published as catalogue curves rather than a single rating, so ask us to confirm sizing figures from the datasheet for your application.
| Model | GFR400C15MJF2W AirTAC Filter Regulator PT1/2, 5 um |
|---|---|
| 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) |
Mounted on the 1/2 in main dropping to a machining centre's pneumatic circuits, it strips water and fine particulate before tool-change and clamping valves, and holds a steady regulated pressure so fixture clamping behaves the same on every cycle.
On a bottling or cartoning conveyor, the unit conditions the air feeding stopper gates and product clamps, keeping moisture and debris out of the cylinders while the regulator pins the pressure that determines how hard the clamps grip.
Feeding the pneumatic clamps and kickers on a manual assembly press, the 5 um element protects the small control valves from fine contamination, and the psi gauge lets operators verify the setpoint at a glance during changeover.
The decodable choices on this unit are all fixed by the code. Size 400 with a PT1/2 port sits in the upper mid-range of the G-series span (sizes step 200 / 300 / 400 / 600, ports 1/8 to 1 in), so step up or down a size if your air demand points that way. The 5 um element (code W) is the finer option against the 40 um standard - choose it where downstream valves and cylinders are sensitive to fine particulate. The manual drain must be bled by hand, unlike the automatic or differential-pressure drain options on the same size; the embedded square gauge reads psi, with MPa or bar scales and an external round gauge available instead. Thread is PT as standard, with G (BSPP) and NPT as order options, and a mounting bracket can be added. Flow is published as curves, not a single rated figure, so send us your application demand and we will confirm sizing against the 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 catalogue curves rather than a single rated figure, so there is no one number we can quote honestly. Send us your line pressure, regulated setpoint and air demand, and we will confirm the sizing from the datasheet before you order.
The M in the code specifies a manual drain: the bowl is bled by hand when needed. It suits points that are checked routinely as part of a maintenance round. If the unit will sit somewhere nobody drains 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.