AirTAC GC300-08 FRL Unit (GC30008LN)
The AirTAC AirTAC GC300-08 FRL Unit (GC30008LN) 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 PT1/4" 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 sizePT1/4"
- Regulating range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade40 µm
- DrainDifferential-pressure drain
- Bowl materialPC
- Pressure gaugeNot fitted
- ThreadPT
About the AirTAC GC300-08 FRL Unit (GC30008LN)
GC30008LN is an AirTAC G-series three-unit F.R.L. combination: a separate air filter, pressure regulator and lubricator supplied as one set. This size 300 unit takes PT1/4 (standard) ports, uses the 40 um standard filter element and drains the filter bowl by differential pressure; the L code selects the low-pressure regulator type, and the N code means the set is supplied without a pressure gauge. It cleans the compressed air, holds downstream pressure steady and meters oil mist into the line in one assembly, with polycarbonate filter and lubricator bowls at this size and a -5 to 70 C working range on compressed air only.
This is a genuine AirTAC part. The G series is offered in sizes 200, 300, 400 and 600 with ports from 1/8 to 1 inch, and options including manual or automatic drains, a 5 um element (W), gauges with MPa, psi or bar scales, and G(BSPP) or NPT threads. Flow is published as curves rather than a single rated figure, so we confirm datasheet and sizing details on request.
AirTAC GC300-08 FRL Unit (GC30008LN) Technical Specifications
| Model | AirTAC GC300-08 FRL Unit (GC30008LN) |
|---|---|
| Series | GC300 F.R.L. combination |
| Composition | Filter + regulator + lubricator (3 units) |
| Port size | PT1/4" (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 | Not fitted |
| 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 GC300-08 FRL Unit (GC30008LN)
| GC300 | G-series F.R.L. combination, 300 body — sets the port range. |
|---|---|
| 08 | Port size PT1/4". 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. |
| N | No pressure gauge (N). |
| (blank) | Gauge shape: Factory standard. C is round, F is square. |
| (blank) | Gauge scale: Factory standard. 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: GF300-08 filter, GR300-08 regulator and GL300-08 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 · PT1/4" · 40 µm |
|---|---|
| One size down | GC200 |
| One size up | GC400 |
| Two-unit equivalent | GFC300-08 |
| Build order | Filter → regulator → lubricator |
Where the AirTAC GC300-08 FRL Unit (GC30008LN) Is Used
General plant air drops
A no-frills conditioner for plant air drops feeding general pneumatic equipment, delivering filtered, regulated and lubricated air where pressure is read elsewhere on the line.
Sorter and diverter actuators
Supplying conditioned air to the diverter and pusher cylinders on a warehouse conveyor, with the regulator set once at the unit during commissioning.
Jig and clamp supply
Feeding workholding clamps and swing cylinders on welding or assembly jigs, where the regulator holds a fixed clamp pressure and the lubricator protects the seals.
Is the AirTAC GC300-08 FRL Unit (GC30008LN) the Right Station?
Size 300 with 1/4 inch PT ports is the mid step of the G series; drop to 200 or step to 400/600 as circuit demand changes. Drain is differential-pressure as built; manual (M) and automatic (A) are order options, as is the 5 um W element instead of the 40 um standard. This version has no gauge; gauge styles and MPa, psi or bar scales can be added via the relevant order codes, and G or NPT threads replace PT on request. Flow appears only as catalogue curves, so ask us to confirm sizing against your application before ordering.
Quick checklist
- ✓ Body size for your peak flow (PT1/4" 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 GR300-08 regulator with a GF300-08 filter on that branch.
AirTAC GC300-08 FRL Unit (GC30008LN) FAQ
AirTAC publishes G-series flow as performance curves rather than a single rated number, so we do not quote a flow figure here. Share your operating pressure and demand and we will confirm the datasheet curves and check that size 300 with 1/4 inch ports fits before you order.
The N code in the model means the set is supplied without a gauge, for installations that read pressure elsewhere on the line. Versions with an embedded square gauge or an external round gauge in MPa, psi or bar scales carry different order codes in the same size 300, 1/4 inch package - ask us for details.
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