The AirTAC GFR400C15MLJF2WK 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 GFR400C15MLJF2WK is an AirTAC GFR400 filter regulator: water and particulate removal plus pressure regulation combined in a single body. This configuration carries a PT1/2 (1/2 in) port in PT thread, a 5 um filter element (40 um is the standard alternative), a manual drain on the bowl, and the low-pressure regulator type. The bowl on this 400 size is polycarbonate (PC), the unit comes without a mounting bracket, a reverse/check valve is fitted, and the embedded square gauge is supplied with a psi scale.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 in to 1 in, and options include automatic, manual or differential-pressure drains, 40 um or 5 um filtration, MPa, psi or bar gauge scales, G (BSPP) or NPT threads, and a mounting bracket. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C, non-freezing. Rated flow is published as curves rather than a single figure, so ask us to confirm the datasheet and sizing for your application.
| Model | GFR400C15MLJF2WK 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) |
Point-of-use conditioning for a CNC machining cell: the 5 um element strips water and fine particulate before air reaches tool-change actuators and coolant-system valves, while the low-pressure regulator holds a gentle setting for sensitive clamping circuits.
Feeding conditioned air to carton-forming and case-sealing cylinders on a packaging line: the filter stage removes condensate carried over from the compressor room, the regulator keeps cylinder motion repeatable, and the fitted check valve holds downstream pressure if the supply dips.
Conditioning supply air on a laboratory test rig or pilot line where instruments and pneumatic controls need clean, low-pressure air: the 5 um grade protects precision components and the psi-scaled square gauge gives operators a familiar readout.
Choose the size and port against the air demand of the machine: this unit is size 400 with a PT1/2 (1/2 in) port, and the GFR range steps from 1/8 in up to 1 in. Drain type is a real choice - the manual drain fitted here must be opened by hand, while automatic and differential-pressure drains discharge condensate without attention. The 5 um element fitted here is the finer option; 40 um is the standard grade. Gauge scale is selectable (MPa, psi or bar; this unit has the square gauge in psi), thread can be PT (standard), G or NPT, and a mounting bracket is optional - this configuration has none. Because rated flow is published as curves rather than a single number, send us your application details and we will confirm sizing from 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 curves rather than a single rated figure, so we do not quote a number here. Tell us your application and we will confirm the flow and sizing from the datasheet on request.
This configuration uses a manual drain: condensate collects in the polycarbonate bowl and is released by opening the drain valve. If the unit will be mounted where regular drain access is awkward, the same GFR400 size can be ordered with an automatic or differential-pressure drain instead.
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.