The AirTAC GC300-15G AirTAC F.R.L. Combination, G1/2, 5 um, Auto 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 PT1/2" ports, a 5 µm element, a automatic drain and regulates 0.15 - 0.9 MPa (20 - 130 psi).
The GC300-15G is a three-piece AirTAC F.R.L. combination: a filter, a regulator and a lubricator assembled as one air-preparation set for a compressed-air line. Filtration removes water and particulate down to 5 um, the regulator holds a set downstream pressure (low-pressure type, with an embedded square gauge scaled in psi), and the lubricator meters oil mist into the air for downstream pneumatic components. This configuration is the 300 size with a G1/2 (BSPP) port, an automatic drain on the filter bowl, a reverse/check valve fitted, and a mounting bracket included. The bowls are polycarbonate, the 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 is available in sizes 200, 300, 400 and 600, with port sizes from 1/8 to 1 inch, a choice of PT, G or NPT thread, manual, automatic or differential-pressure drains, 40 um standard or 5 um (W) filtration, and gauge scales in MPa, psi or bar. Flow is published as curves rather than a single rated figure, so ask us to confirm the datasheet and sizing for your application before ordering.
| Model | GC300-15G AirTAC F.R.L. Combination, G1/2, 5 um, Auto Drain |
|---|---|
| Series | GC300 F.R.L. combination |
| Composition | Filter + regulator + lubricator (3 units) |
| Port size | PT1/2" (G (BSPP) thread) |
| Filtering grade | 5 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 — square, 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.
| GC300 | G-series F.R.L. combination, 300 body — sets the port range. |
|---|---|
| 15 | Port size PT1/2". This body offers 08 = PT1/4", 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). |
| F | Gauge shape: Square. 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: GF300-15 filter, GR300-15 regulator and GL300-15 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 | GC300 · PT1/2" · 5 µm |
|---|---|
| One size down | GC200 |
| One size up | GC400 |
| Two-unit equivalent | GFC300-15 |
| Build order | Filter → regulator → lubricator |
Feeds the clamping and tool-change circuits of a machining centre: the 5 um element keeps moisture and swarf-carried grit out of clamp cylinders, the low-pressure regulator holds the circuit at the set pressure, and the lubricator mists oil to the valve spools and cylinder seals.
Mounted at the air drop feeding a bottling or filling line, the set conditions the supply for grippers, stopper cylinders and divertor actuators: filtered and regulated air for the controls, oil mist carried to the actuators, with the automatic drain handling condensate through continuous shifts.
Installed on a plant maintenance bench or workshop drop, it gives technicians one connection point that cleans the air to 5 um, regulates it to the pressure the task needs, and adds oil mist for impact wrenches, air ratchets and other lubricated air tools.
Step through the 200/300/400/600 sizes to match the port and flow your line needs; this 300 size carries a 1/2 inch G-thread port. Choose the drain: automatic (as fitted here) empties the bowl without daily attention, manual gives hands-on control, and differential-pressure drain bleeds only as the element loads up. Filtration is 40 um standard; the 5 um element on this unit suits finer downstream requirements. The regulator here is the low-pressure type - its exact adjustment range is not published, so confirm it with us. Gauges are embedded square as standard with an external round gauge optional, scaled in MPa, psi or bar; this unit carries a square psi gauge. Thread on this code is G (BSPP); PT is the standard and NPT is orderable. Flow is published as curves, not a single rating - send us your flow and pressure requirements 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 GR300-15 regulator with a GF300-15 filter on that branch.
AirTAC publishes flow for the GC series as curves rather than a single rated figure, so we do not quote one number for this unit. Tell us your required flow and working pressure and we will confirm the sizing from the datasheet on request before you order.
The L in the code GC30015ALF2WGK marks the low-pressure regulator variant. Its exact adjustment range is not published in the catalogue data we hold, so we confirm it on request. The gauge fitted is the embedded square type scaled in psi, and an external round gauge in MPa, psi or bar is available as an option.
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.