The AirTAC GFR400C15JC2WK AirTAC Filter Regulator 1/2 in PT 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 GFR400C15JC2WK is a size 400 filter regulator: water and particulate filtration plus downstream pressure regulation combined in a single body. This configuration carries a PT1/2 (1/2 in) PT-threaded port, a fine 5 um filter element (code W), a differential-pressure drain that bleeds accumulated condensate automatically as the pressure differential across the element builds, a round external gauge reading in psi, and a built-in reverse/check valve (code K) that holds downstream pressure when the upstream supply is lost. It ships without a mounting bracket (code J), so plan to mount it inline or on your own support. The pressure bowl on size 400 units is polycarbonate, giving a clear view of condensate level and drain condition.
This is a genuine AirTAC part. The GFR family is offered in sizes 200, 300, 400 and 600 with matching port sizes, a choice of differential-pressure, automatic or manual drains, 40 um standard or 5 um fine filtration, gauge style and scale options, PT, G or NPT threads, and optional check valves and brackets. Maximum inlet pressure is 1.0 MPa (145 psi), the standard regulation range with a differential-pressure drain is 0.15-0.9 MPa (20-130 psi), and the working temperature range is -5 to 70 C, non-freezing. Flow is published as curves rather than a single rating, so ask us and we will confirm the datasheet figures for your application.
| Model | GFR400C15JC2WK AirTAC Filter Regulator 1/2 in PT |
|---|---|
| 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 prep for a machining center's pneumatic actuators, tool-clamp circuits and chip-conveyor cylinders: the 5 um element protects fine valves from particulates and water, the regulator sets a stable working pressure for the cell, and the check valve holds the clamp circuit if shop air drops.
Feed the stopper, filler and case-packer cylinders on a packaging line from a single PT1/2 drop: the filter-regulator cleans the supply and holds the set pressure so indexing strokes stay repeatable, while the differential-pressure drain keeps condensate out of the valves between service rounds.
Condition the air feeding spray guns and booth actuators: the 5 um element strips water and fine particles that ruin finishes, the regulator lets the operator set gun supply pressure at the booth, and the psi round gauge gives a clear local reading for process checks.
Start with size and port: the 400 series steps up port and flow capacity from the 300 series, so match the PT1/2 connection and the air demand of the circuit - we can confirm the flow curve against your consumption before you order. Drain choice matters: this unit uses the differential-pressure drain (default), while automatic (A) and manual (M) versions are available if your maintenance routine prefers them. Filtration grade is a real decision: 40 um is the standard element for general plant air protection, and the 5 um element fitted here (code W) suits finer downstream needs. Gauge options are the embedded square gauge or this external round gauge, with MPa, psi or bar scales - this one reads psi. Thread is PT as standard; G (BSPP) and NPT are catalogue options to order. Brackets are optional (this code has none, J), and the K code adds the reverse/check valve fitted here.
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 GFR series as curves, not as a single rated figure, so we do not quote a rated flow, Cv or SCFM number. Tell us your working pressure and air consumption and we will confirm the datasheet flow curve for this exact 400-size, PT1/2 configuration on request before you order.
The W code in GFR400C15JC2WK selects the 5 um fine filtration element instead of the 40 um standard, for applications that need cleaner air; the K code fits a reverse/check valve that holds downstream pressure on supply loss. Both are catalogue choices: 40 um elements, drains without the check valve, and other gauge scales or thread options (G, NPT) can be ordered - just ask.
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.