Airtac GFC Combination Unit GFC400C15AF1
The AirTAC Airtac GFC Combination Unit GFC400C15AF1 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 See datasheet ports, a 40 µm element, a differential-pressure drain and regulation over 0.15 - 0.9 MPa (20 - 130 psi).
- TypeTwo-unit set (F.R. + L.)
- Port sizeSee datasheet
- Regulating range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade40 µm
- DrainDifferential-pressure drain
- Bowl materialPC
- Pressure gaugeFitted
- ThreadPT
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac GFC Combination Unit GFC400C15AF1
GFC400C15AF1 is an AirTAC G-series two-unit air preparation set: a filter regulator combined with a separate lubricator, so one assembly removes water and particulate, regulates pressure and meters oil mist to downstream actuators. This configuration is the size 400 body with PT1/2 ports, an automatic drain on the filter bowl, the standard 40 um filter element and an embedded square pressure gauge reading in MPa. The polycarbonate bowl is standard at this size, the set takes compressed air at up to 1.0 MPa (145 psi) inlet, the regulator adjusts from 0.15-0.9 MPa (20-130 psi) on this automatic-drain version, and working temperature is -5 to 70 C.
This is a genuine AirTAC part. The G series covers sizes 200, 300, 400 and 600 with ports from 1/8 to 1 inch, and options include 5 um filtration (W), manual or differential-pressure drains, NPT or G (BSPP) threads and a reverse/check valve (K). AirTAC publishes flow as curves rather than a single rated figure, so ask us and we will confirm the datasheet figures for your application on request.
Airtac GFC Combination Unit GFC400C15AF1 Technical Specifications
| Model | Airtac GFC Combination Unit GFC400C15AF1 |
|---|---|
| Series | GFC400 two-unit set |
| Composition | Filter regulator + lubricator (2 units) |
| Port size | See datasheet (PT thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Pressure type | Standard 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 — factory standard, Factory standard 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. Standard type, regulating 0.15 - 0.9 MPa (20 - 130 psi). 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.
Model Code: Airtac GFC Combination Unit GFC400C15AF1
| GFC400 | G-series two-unit set, 400 body — sets the port range. |
|---|---|
| C1 | Port size See datasheet. This body offers 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)). |
| (blank) | Standard type. Blank is standard, L is the low-pressure type. |
| (blank) | Pressure gauge fitted (blank). |
| (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 set. Constituent units, orderable separately as spares: GFR400-C1 filter regulator and GL400-C1 lubricator.
Size Class & How It Differs From GC
- GFC200PT1/8" - PT1/4"
- GFC300PT1/4" - PT1/2"
- GFC400PT3/8" - PT1/2"
- GFC600PT3/4" - PT1"
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 | GFC400 · See datasheet · 40 µm |
|---|---|
| One size down | GFC300 |
| One size up | GFC600 |
| Three-unit equivalent | GC400-C1 |
| Build order | Filter regulator first, lubricator last |
Where the Airtac GFC Combination Unit GFC400C15AF1 Is Used
Robotic welding cell
Prepares supply air for weld-gun clamp cylinders and valve manifolds on a robotic spot-welding line: water and particles are drained off, pressure is held at a set value, and the lubricator mists oil to the actuators.
Bottling line conveyor
Feeds treated air to the pneumatic grippers, stopper cylinders and pusher units that index bottles along a filling and capping conveyor.
CNC machining center
Conditions shop air serving the tool-changer clamps, chip-conveyor actuators and air-blast nozzles on a CNC machining center.
Is the Airtac GFC Combination Unit GFC400C15AF1 the Right Set?
Size 400 with 1/2 inch PT ports is the mid-to-large step in the G series; drop to size 300 or step up to size 600 as your air demand dictates. Drain choice here is automatic; manual and differential-pressure drains are catalogue alternatives. The 40 um element is standard, and the W suffix orders 5 um filtration for finer downstream protection. The gauge is the embedded square type with MPa scale; other scales and an external round gauge are options. PT thread is the standard, with G (BSPP) and NPT available as ordered specifications. Because AirTAC publishes flow as curves and not as one rated number, ask us to confirm sizing against your application before ordering.
Quick checklist
- ✓ Body size for your peak flow (See datasheet here)
- ✓ Element 40 µm or 5 µm
- ✓ Drain sets the regulating band
- ✓ Gauge fitted, shape and scale
- ✓ Two-unit (GFC) or three-unit (GC) layout
- ✓ Oil mist acceptable downstream
Installation & Maintenance Notes
- check Install with the airflow arrow: filter regulator 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 set 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, so if any branch must stay oil-free, take that branch off before the lubricator or use a GFR400-C1 filter regulator on its own.
Airtac GFC Combination Unit GFC400C15AF1 FAQ
AirTAC publishes flow for the G series as performance curves, not as a single rated figure, so we do not quote a number on the page. Send us your line pressure and consumption details and we will confirm the datasheet flow curves and sizing on request.
Yes. 40 um is the standard element, and adding the W suffix to the code orders the 5 um option, for example GFC400C15AF1W. Choose 5 um where downstream valves and cylinders need finer protection against particles.
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