The AirTAC GC40015C2WK AirTAC F.R.L. Combination, PT1/2 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 5 µm element, a differential-pressure drain and regulates 0.15 - 0.9 MPa (20 - 130 psi).
The GC40015C2WK is an AirTAC GC-series three-unit F.R.L. combination: a separate air filter, pressure regulator and oil-mist lubricator assembled as one supply package. This size 400 unit is built for 1/2 in PT ports and carries the W filter element (5 um, finer than the 40 um standard), a differential-pressure drain on the filter bowl, a standard regulator with a 0.15-0.9 MPa (20-130 psi) setting range, a round external gauge scaled in psi, a reverse/check valve on the regulator, and a mounting bracket. It filters water and particulate from compressed air, holds a set downstream pressure and adds oil mist for air tools and cylinders.
This is a genuine AirTAC part. The GC line spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, drain, filter-grade, gauge-scale, thread (PT, G, NPT) and check-valve options, so an alternative configuration can be quoted if this one does not match. Rated flow is published as curves rather than a single figure; ask us and we will confirm the datasheet figures for your application.
| Model | GC40015C2WK AirTAC F.R.L. Combination, PT1/2 |
|---|---|
| Series | GC400 F.R.L. combination |
| Composition | Filter + regulator + lubricator (3 units) |
| Port size | PT1/2" (PT thread) |
| Filtering grade | 5 µm |
| Regulating range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Pressure type | Standard 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 — 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. Standard type, regulating 0.15 - 0.9 MPa (20 - 130 psi). 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". |
| (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) | 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. |
| (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" · 5 µm |
|---|---|
| One size down | GC300 |
| One size up | GC600 |
| Two-unit equivalent | GFC400-15 |
| Build order | Filter → regulator → lubricator |
Feeding a machine shop's CNC spindle clamps and tool-change cylinders: the 5 um element keeps fine particulate out of the valves, the regulator holds a steady setting, the lubricator mists the cylinders, and the check valve holds the circuit during upstream dips.
Supplying the pneumatic cylinders, grippers and diverters on a carton packaging conveyor, where one 1/2 in drop serves the whole station and the combination keeps water, dirt and lubrication handled at a single point.
Conditioning the air at a paint-line workstation: clean, dry, regulated and lubricated air to spray guns and air tools, with the 5 um grade suiting finishing work where coarser 40 um filtration would risk defects.
Start with the port and size step: size 400 with a 1/2 in PT port sits in the middle of the GC range (200/300/400/600, 1/8 in to 1 in), and the right step depends on the air demand of the line it feeds - we will check the published flow curves against your consumption before you order. Then pick the options: drain type (differential-pressure as fitted here, automatic with code A, or manual with code M), filter grade (5 um as on this unit, or the 40 um standard), gauge scale (MPa, psi or bar) and gauge style, thread (PT is standard; G/BSPP and NPT are order options), and whether a reverse/check valve (code K, fitted here) is wanted to hold downstream pressure. A mounting bracket is included on this configuration.
One honest note on sizing: AirTAC publishes flow for this family as curves, not as a single rated number, so we do not quote a flow figure here. Send us your application details and we will confirm the datasheet figures before you commit.
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 performance curves rather than a single rated figure, so we do not state one here. Tell us your working pressure and air consumption and we will confirm the datasheet flow figures for this exact unit on request.
The W in the code GC40015C2WK selects the 5 um element instead of the 40 um standard, for finer water and particulate removal, and the K selects a reverse/check valve on the regulator, which helps hold the downstream setting if upstream pressure drops. Both are standard catalogue options you can order with or without on any GC unit.
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.