The AirTAC GC400-15 AirTAC F.R.L. Combination, PT1/2 Low-Pressure is a genuine G-series three-unit F.R.L. combination: a separate filter, a separate regulator and a separate lubricator assembled as one air-preparation station. It has PT1/2" ports, a 40 µm element, a automatic drain and regulates 0.15 - 0.9 MPa (20 - 130 psi).
The AirTAC GC400-15 is a three-piece F.R.L. combination: a separate air filter, pressure regulator and lubricator built as one unit. This size 400 configuration carries PT1/2 ports, an automatic drain on the filter bowl, the standard 40 um filter element, a low-pressure regulator, a round gauge scaled in psi, and a reverse/check valve fitted. It removes water and particulate from compressed air, holds a set downstream pressure and feeds oil mist to downstream equipment. Maximum working pressure is 1.0 MPa (145 psi) and the operating temperature range is -5 to 70 C, non-freezing.
This is a genuine AirTAC part. The GC series is available in sizes 200, 300, 400 and 600 with ports from 1/8 to 1 in, and options include manual or differential-pressure drains, a 5 um filter element (code W), gauge scales in MPa, psi or bar, and G (BSPP) or NPT threads in place of the standard PT. Flow and other datasheet figures are published as curves rather than a single rating, so we confirm them on request.
| Model | GC400-15 AirTAC F.R.L. Combination, PT1/2 Low-Pressure |
|---|---|
| Series | GC400 F.R.L. combination |
| Composition | Filter + regulator + lubricator (3 units) |
| Port size | PT1/2" (PT thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Pressure type | Low-pressure type |
| Fluid | Compressed air |
|---|---|
| Max. working pressure | 1.0 MPa (145 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Drain type | Automatic drain |
| Bowl material | PC |
| Pressure gauge | Fitted — round, psi scale |
| Reflux valve | Fitted (reverse flow permitted) |
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. The low-pressure type adjusts over a lower band than standard; we confirm the exact figures from the factory datasheet. The combination has no separate bracket code — the three units couple together with their own mounting hardware. Flow curves, weight and outline dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.
| GC400 | G-series F.R.L. combination, 400 body — sets the port range. |
|---|---|
| 15 | Port size PT1/2". This body offers 10 = PT3/8", 15 = PT1/2". |
| A | Drain: Automatic drain — this also sets the regulating band (0.15 - 0.9 MPa (20 - 130 psi)). |
| L | Low-pressure type. Blank is standard, L is the low-pressure type. |
| (blank) | Pressure gauge fitted (blank). |
| C | Gauge shape: Round. C is round, F is square. |
| 2 | Gauge scale: psi. 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. |
| K | Reverse-flow (reflux) valve fitted. |
Field order is size, port, drain, type, gauge, shape, scale, grade, thread, reflux — there is no bracket position on a combination. Constituent units, orderable separately as spares: GF400-15 filter, GR400-15 regulator and GL400-15 lubricator.
A GC is three separate units, so the filter and the regulator can each be serviced or replaced on their own. A GFC is the two-unit set, where filtering and regulating share one body — shorter, but the two functions come as one part. Both filter, regulate and lubricate.
| This model | GC400 · PT1/2" · 40 µm |
|---|---|
| One size down | GC300 |
| One size up | GC600 |
| Two-unit equivalent | GFC400-15 |
| Build order | Filter → regulator → lubricator |
Mounted at half-inch drops on an automotive assembly line, this unit filters condensed water and swarf from the shop air, holds a steady regulated pressure and carries oil mist to impact wrenches and pneumatic clamps along the line.
On a carton-forming and sealing conveyor, the GC400-15 prepares the air feeding cylinder-driven pushers and flap folders, with the automatic drain clearing accumulated condensate during continuous shifts.
Installed ahead of a CNC machining centre's pneumatic circuit, this combination filters chips and moisture from the mill air supply, regulates pressure to the tool-change clamps and lubricates the actuator valves.
Size 400 with PT1/2 ports suits lines that need a half-inch air supply; step down to GC300 or up to GC600 if your demand differs, and we will confirm sizing against the published flow curves before you order. The automatic drain empties the filter bowl without attention, while manual and differential-pressure drains are available if you prefer. The standard element is 40 um; specify code W for 5 um. The round gauge here reads in psi, with MPa and bar scales as options and the embedded square gauge as the standard alternative. Thread is PT as standard with G and NPT orderable, and the mounting bracket is included.
Quick checklist
The PC bowls must not be cleaned with solvents — wipe them with a dry cloth. The lubricator adds an oil mist downstream of the regulator. If any branch of the line must stay oil-free, take that branch off before the lubricator, or use a GR400-15 regulator with a GF400-15 filter on that branch.
AirTAC publishes flow for the GC series 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 sizing against the datasheet curves before you order.
The code L marks the low-pressure regulator type, intended for applications set below the standard regulator's range. AirTAC does not publish a single adjustment figure for this variant, so we confirm the exact range from the datasheet on request.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business 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.