
The AirTAC AirTAC GFC300-15 Combination Unit (GFC30015MLF1W) is a genuine G-series two-unit air-preparation set: a filter regulator that filters and regulates in one body, coupled to a lubricator. Two bodies do the work of three, with PT1/2" ports, a 5 µm element, a manual drain and regulation over 0.05 - 0.9 MPa (7 - 130 psi).
The AirTAC GFC series is a two-piece air preparation set: a filter regulator plus a separate lubricator, so one installation filters, regulates and lubricates the compressed air supply. This GFC30015MLF1W is the size 300 unit with PT1/2 ports (PT thread is the standard), a manual drain bowl, the L low-pressure regulator type, a factory-fitted square pressure gauge scaled in MPa, and the fine 5 um (W) filter element. Maximum working pressure is 1.0 MPa (145 psi), the manual-drain regulator setting range is 0.05-0.9 MPa (7-130 psi), and operating temperature is -5 to 70 C (non-freezing). The size 300 bowls on both the filter regulator and the lubricator are PC (polycarbonate).
This is a genuine AirTAC part. The G series spans sizes 200, 300, 400 and 600, with PT, G(BSPP) or NPT threads, automatic, manual or differential-pressure drains, 40 um or 5 um (W) elements, gauge variants and optional brackets across the range. Flow is published as curves rather than a single rating, so ask us to confirm sizing and full datasheet figures for your application before ordering.
| Model | AirTAC GFC300-15 Combination Unit (GFC30015MLF1W) |
|---|---|
| Series | GFC300 two-unit set |
| Composition | Filter regulator + lubricator (2 units) |
| Port size | PT1/2" (PT 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 — square, MPa 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. The low-pressure type adjusts over a lower band than standard; we confirm the exact figures from the factory datasheet. The set has no separate bracket code — the two 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.
| GFC300 | G-series two-unit set, 300 body — sets the port range. |
|---|---|
| 15 | Port size PT1/2". This body offers 08 = PT1/4", 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). |
| F | Gauge shape: Square. C is round, F is square. |
| 1 | Gauge scale: MPa. 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. |
| (blank) | No reverse-flow valve (the default). |
Field order is size, port, drain, type, gauge, shape, scale, grade, thread, reflux — there is no bracket position on a combination set. Constituent units, orderable separately as spares: GFR300-15 filter regulator and GL300-15 lubricator.
A GFC is two units because filtering and regulating share one body. A GC is three separate units — filter, regulator and lubricator. Both filter, regulate and lubricate; the GFC is the shorter assembly, the GC keeps the filter and regulator serviceable as separate bodies.
| This model | GFC300 · PT1/2" · 5 µm |
|---|---|
| One size down | GFC200 |
| One size up | GFC400 |
| Three-unit equivalent | GC300-15 |
| Build order | Filter regulator first, lubricator last |
Supplying an automated assembly cell, the 5 um element keeps fine particulate away from metering valves and pilot circuits while the regulator sets the low working pressure and the lubricator oils the pick-and-place cylinders.
On lab automation with small-bore pilot valves and syringe pumps, cleaner 5 um air plus a stable, low regulated pressure and light lubrication helps sensitive motion components behave repeatably.
Feeding spray equipment on a finishing line, the unit filters water and particles to 5 um before the guns, regulates supply pressure off the square MPa gauge, and delivers oil mist where the air tools need it.
Start with size and port: 200 to 600 covers small point-of-use drops up to large machine headers, and stepping up a size gives a larger port and more flow capacity. This unit is size 300 with PT1/2 ports; G and NPT threads are catalogue options if your piping is BSPP or NPT. The W in this code selects the 5 um element instead of the standard 40 um grade - the right call where finer particulate must be kept off precision valves and cylinders. Drain type matters: this M code is the manual drain variant, which also widens the regulator setting range to 0.05-0.9 MPa (7-130 psi); automatic (A) and differential-pressure (default) drain variants are available. This is the L low-pressure type. The square gauge here is scaled in MPa; psi and bar scales and an external round gauge are options, and gauge-less (N) variants also exist.
Because AirTAC publishes flow only as curves, not a single rated figure, ask us to confirm sizing against your actual air demand 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, so if any branch must stay oil-free, take that branch off before the lubricator or use a GFR300-15 filter regulator on its own.
AirTAC publishes flow for this series as performance curves rather than a single rated number, so there is no one figure we can honestly quote here. Send us your line pressure and required air consumption and we will confirm the correct size and the datasheet curve figures on request.
The W code fits the finer 5 um element, which suits precision valves, pilots and spray or measuring equipment that suffer from finer particulate; the standard grade remains 40 um. Drain, gauge and regulator settings are otherwise as coded: manual drain with a 0.05-0.9 MPa (7-130 psi) setting range, low-pressure type, and a square MPa gauge.
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.