AirTAC GC300-15 FRL Unit (GC30015LF1)
The AirTAC AirTAC GC300-15 FRL Unit (GC30015LF1) 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 differential-pressure drain and regulates 0.15 - 0.9 MPa (20 - 130 psi).
- TypeF.R.L. combination (3 units)
- Port sizePT1/2"
- Regulating range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade40 µm
- DrainDifferential-pressure drain
- Bowl materialPC
- Pressure gaugeFitted
- ThreadPT
About the AirTAC GC300-15 FRL Unit (GC30015LF1)
GC30015LF1 is a three-piece AirTAC G-series F.R.L. combination: a separate filter, pressure regulator and lubricator assembled as one set. It removes water and particulate from compressed air with the standard 40 um element, regulates downstream pressure (the L in the code marks the low-pressure regulator type), and meters oil mist to the equipment it feeds. The 300 size carries 1/2 inch ports in PT thread as standard, the regulator carries an embedded square gauge on an MPa scale, and the filter bowl drains by differential pressure.
This is a genuine AirTAC part supplied for the US market. The G-series spans the 200/300/400/600 sizes from 1/8 to 1 inch ports, with G (BSPP) and NPT thread options, a 5 um (W) filter grade, alternate drain and gauge choices, and square or round gauge scales. Flow for this size is published as curves rather than a single rated figure, so we confirm the datasheet and sizing on request.
AirTAC GC300-15 FRL Unit (GC30015LF1) Technical Specifications
| Model | AirTAC GC300-15 FRL Unit (GC30015LF1) |
|---|---|
| Series | GC300 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 | Differential-pressure 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 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.
Model Code: AirTAC GC300-15 FRL Unit (GC30015LF1)
| 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". |
| (blank) | Drain: Differential-pressure 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. |
| 1 | Gauge scale: MPa. 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. |
| (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. Constituent units, orderable separately as spares: GF300-15 filter, GR300-15 regulator and GL300-15 lubricator.
Size Class & How It Differs From GFC
- GC200PT1/8" - PT1/4"
- GC300PT1/4" - PT1/2"
- GC400PT3/8" - PT1/2"
- GC600PT3/4" - PT1"
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" · 40 µm |
|---|---|
| One size down | GC200 |
| One size up | GC400 |
| Two-unit equivalent | GFC300-15 |
| Build order | Filter → regulator → lubricator |
Where the AirTAC GC300-15 FRL Unit (GC30015LF1) Is Used
Packaging line air prep
Point-of-use F.R.L. ahead of the cylinders and grippers on a carton-forming and sealing conveyor, so the actuators see clean, dry, consistently pressurized and lubricated air at each station.
Pneumatic clamping fixture
Feeds a low-pressure clamping circuit on a machining fixture: the filter keeps swarf and condensate out of the valve stack, the regulator holds the clamp set-point and the lubricator conditions the clamp cylinders.
Textile machine air service
Conditioned supply for looms and winding equipment, where water and lint-laden plant air would foul the machine's air controls; the lubricator keeps the machine's pneumatic actuators running smoothly.
Is the AirTAC GC300-15 FRL Unit (GC30015LF1) the Right Station?
Match the port step to your circuit first: the 300 size is the 1/2 inch stage of the G-series; step down to 200 for compact circuits or up to 400/600 for larger lines, and we will confirm the flow against the published curves before you order. The filter bowl drains by differential pressure as standard, with automatic (A) or manual (M) drain available as catalogue options, and the element is the standard 40 um grade (the W suffix gives 5 um). PT thread is standard on this model; G (BSPP) and NPT are orderable thread options. If you need psi or bar gauge scales instead of the MPa square gauge fitted here, that is a catalogue choice. Note the L suffix: this is the low-pressure regulator type, so confirm its set-point range from the datasheet with us before sizing.
Quick checklist
- ✓ Body size for your peak flow (PT1/2" here)
- ✓ Element 40 µm or 5 µm
- ✓ Drain sets the regulating band
- ✓ Gauge fitted, shape and scale
- ✓ Three-unit (GC) or two-unit (GFC) layout
- ✓ Oil mist acceptable downstream
Installation & Maintenance Notes
- check Install with the airflow arrow: filter first, lubricator last.
- check Mount vertically, bowls down.
- check Keep inlet pressure at or below 1.0 MPa (145 psi).
- check Adjust only within 0.15 - 0.9 MPa (20 - 130 psi).
- check Drain condensate before the bowl fills; check the oil level.
- check Keep the station above freezing (-5 to +70 °C, unfreeze).
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 GC300-15 FRL Unit (GC30015LF1) FAQ
AirTAC publishes G-series performance as flow curves, not as a single rated number, so we do not quote a figure here. Send us your line pressure, downstream demand and acceptable pressure drop and we will confirm the sizing from the datasheet on request.
It is the gauge code: an embedded square gauge on an MPa scale is fitted to the regulator. Psi or bar scales, an external round gauge, or the same unit with no gauge (GC30015LN) are all catalogue options.
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