AirTAC GC300-08 FRL Unit (GC30008MLC1)
The AirTAC AirTAC GC300-08 FRL Unit (GC30008MLC1) 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 manual drain and regulates 0.05 - 0.9 MPa (7 - 130 psi).
- TypeF.R.L. combination (3 units)
- Port sizePT1/4"
- Regulating range0.05 - 0.9 MPa (7 - 130 psi)
- Filtering grade40 µm
- DrainManual drain
- Bowl materialPC
- Pressure gaugeFitted
- ThreadPT
About the AirTAC GC300-08 FRL Unit (GC30008MLC1)
GC30008MLC1 is an AirTAC G-series three-unit F.R.L. combination: a separate air filter, pressure regulator and lubricator built into one 300-size set. This 1/4 in PT-threaded unit is the low-pressure (L) type, has a manual drain on the filter bowl, keeps the standard 40 um filter element, and is fitted with an external round pressure gauge scaled in MPa. On this 300 size the bowl is polycarbonate (PC). Medium is compressed air, with a maximum working pressure of 1.0 MPa (145 psi) and an operating temperature of -5 to 70 C (non-freezing).
This is a genuine AirTAC part. The G series runs from size 200 through 600 with a choice of ports, drain types, 40 um or 5 um filter elements, gauge styles and scales, and G (BSPP) or NPT thread options. The standard manual-drain regulator adjusts 0.05-0.9 MPa (7-130 psi); as the low-pressure (L) variant this set is intended for lower setting pressures, so confirm the exact range with us. Flow is published as curves rather than a single rating, so ask us to confirm datasheet figures for your application.
AirTAC GC300-08 FRL Unit (GC30008MLC1) Technical Specifications
| Model | AirTAC GC300-08 FRL Unit (GC30008MLC1) |
|---|---|
| Series | GC300 F.R.L. combination |
| Composition | Filter + regulator + lubricator (3 units) |
| Port size | PT1/4" (PT thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.05 - 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 — round, 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 GC300-08 FRL Unit (GC30008MLC1)
| 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". |
| 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). |
| C | Gauge shape: Round. 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: GF300-08 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 (GC30008MLC1) Is Used
Packaging line pusher cylinders
Feeds filtered, regulated and lubricated air to the pneumatic pushers and diverters on a carton packaging conveyor, with the manual drain emptied during line cleaning rounds.
CNC machine pneumatic clamps
Supplies the workpiece clamping circuits on a CNC machining centre, where the low-pressure regulator type is used to hold lower clamping pressures and the gauge shows set pressure in MPa.
Body shop air tools
Prep air for impact wrenches and air ratchets in an automotive repair bay, with the lubricator feeding a consistent oil mist to keep the tools running through a shift.
Is the AirTAC GC300-08 FRL Unit (GC30008MLC1) the Right Station?
Start with size and port: the 300 series on a 1/4 in PT port suits lighter-duty circuits, while 200, 400 and 600 sizes step the port and flow capacity down or up - match the size to the air demand of the equipment downstream. Note this is the low-pressure (L) type for lower setting pressures; confirm the adjustment range with us before ordering. Drain choice matters: this set is manual-drain (M), so the filter bowl is emptied by hand - choose differential-pressure (the default) or automatic (A) if the bowl is hard to reach. The standard element is 40 um; add W for the 5 um grade. Gauges come as this external round type (C) or square (F) in MPa, psi or bar scale, and thread can be ordered as PT (standard), G (BSPP) or NPT. Flow is published as curves, not a single rating, so let us confirm sizing against your application before you order.
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 0.05 - 0.9 MPa (7 - 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 (GC30008MLC1) FAQ
AirTAC publishes G-series flow as performance curves, not as a single rated figure, so we do not quote one number here. Tell us your working pressure and air demand and we will confirm the flow from the datasheet before you order.
M is the drain code for the filter bowl: manual drain, so the bowl is emptied by hand. Leave it blank for the differential-pressure drain or specify A for automatic draining if the unit is installed where manual draining is awkward.
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