The AirTAC GC400-10 AirTAC F.R.L. Combination G3/8 5 um Manual Drain 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 PT3/8" ports, a 5 µm element, a manual drain and regulates 0.05 - 0.9 MPa (7 - 130 psi).
The GC400-10 is an AirTAC GC-series three-unit F.R.L. combination: a separate air filter, pressure regulator and oil-mist lubricator assembled as one set for compressed-air preparation. This configuration is built for 3/8 in (G3/8) lines at size 400. The filter element is the fine 5 um grade (the standard element is 40 um; W codes the 5 um option) with a manual drain on the bowl, which is polycarbonate at this size. The regulator is the low-pressure type and carries a fitted external round gauge with a psi scale, and a reverse/check valve is fitted on the regulator. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C, non-freezing.
This is a genuine AirTAC part. The GC series spans sizes 200, 300, 400 and 600 with matching port sizes, and options include drain type (differential-pressure, automatic or manual), filter grade (40 um standard, 5 um optional), gauge style and scale (MPa, psi or bar), thread (PT standard; G and NPT are order options) and bracket. Flow is published as curves rather than a single rated figure, so ask us to confirm the datasheet and sizing for your application.
| Model | GC400-10 AirTAC F.R.L. Combination G3/8 5 um Manual Drain |
|---|---|
| Series | GC400 F.R.L. combination |
| Composition | Filter + regulator + lubricator (3 units) |
| Port size | PT3/8" (G (BSPP) thread) |
| Filtering grade | 5 µm |
| Regulating range | 0.05 - 0.9 MPa (7 - 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 | Manual 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. |
|---|---|
| 10 | Port size PT3/8". This body offers 10 = PT3/8", 15 = PT1/2". |
| M | Drain: Manual drain — this also sets the regulating band (0.05 - 0.9 MPa (7 - 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. |
| W | Filtering grade 5 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| G | G (BSPP) 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: GF400-10 filter, GR400-10 regulator and GL400-10 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 · PT3/8" · 5 µm |
|---|---|
| One size down | GC300 |
| One size up | GC600 |
| Two-unit equivalent | GFC400-10 |
| Build order | Filter → regulator → lubricator |
Feeding impact tools, nutrunners and air cylinders at assembly stations that need filtered, regulated and lubricated air on a 3/8 in branch line, with the 5 um element protecting tight-tolerance tools.
Supplying carton sealers, case packers and conveyor actuation cylinders where fine filtration, a set working pressure and consistent oil mist keep actuators running shift after shift.
Preparing air for clamping fixtures, tool-change cylinders and chip-clearing jets on machining centres, where the check valve holds the downstream circuit if supply pressure dips.
Start with the port step: size 400 on a 3/8 in line suits mid-size drops; step up or down (200/300/400/600) according to the flow your line needs, since larger sizes carry larger ports and more flow. Choose the drain to match the installation: manual drain (this unit) needs an operator to bleed the bowl, while automatic and differential-pressure drains handle it without attention. Choose the 5 um element (this unit, code W) where downstream valves and cylinders need finer air than the standard 40 um element. This is the low-pressure regulator type, so confirm the working band of your application with us before ordering. Gauge style and scale are selectable (embedded square gauge standard; external round gauge fitted here, psi scale). Thread is PT as standard with G and NPT as order options, and a mounting bracket is included.
Be aware that flow is published as curves, not a single rated number, so we cannot quote one figure here. Send us your application details and we will confirm sizing against the datasheet before you order.
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 GR400-10 regulator with a GF400-10 filter on that branch.
AirTAC publishes flow for the GC series as curves, not as a single rated figure, so we do not quote a number here. Tell us your line pressure and the air demand of your equipment, and we will confirm the sizing against the datasheet on request before you order.
The M in the code specifies a manual drain, so an operator opens the drain to remove accumulated water from the filter bowl. AirTAC also offers automatic and differential-pressure drains in the same sizes; if unattended draining suits your installation better, ask us for the equivalent GC400 variant.
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.