Airtac GFC Combination Unit GFC400C10ANK
The AirTAC Airtac GFC Combination Unit GFC400C10ANK 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 GFC400C10ANK
GFC400C10ANK is an AirTAC G-series two-unit F.R.L. set: a 400-size filter-regulator plus a matching lubricator, delivering filtration, pressure regulation and oil-mist lubrication as one ordered item. The K in the code adds a reverse (check) valve, so downstream pressure is retained if the upstream supply is interrupted - useful on clamping or holding circuits. This configuration uses the standard 40 um filter element with an automatic drain on the bowl, and the regulator adjusts across 0.15-0.9 MPa (20-130 psi). No gauge is fitted. The port is 3/8 in. PT, the standard thread, with G (BSPP) and NPT versions available as catalogue options. The medium is compressed air only, maximum working pressure is 1.0 MPa (145 psi), the bowls are polycarbonate at this size, and the working temperature range is -5 to 70 C (non-freezing).
This is a genuine AirTAC part. The GFC two-unit concept is available in 200, 300, 400 and 600 sizes with ports from 1/8 to 1 in., a choice of differential-pressure, automatic or manual drains, 40 um standard or 5 um (W) filtration, and gauge options. AirTAC publishes flow as characteristic curves rather than a single rated figure, so we confirm the datasheet and sizing figures for your application on request.
Airtac GFC Combination Unit GFC400C10ANK Technical Specifications
| Model | Airtac GFC Combination Unit GFC400C10ANK |
|---|---|
| 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 GFC400C10ANK
| 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 GFC400C10ANK Is Used
Fixture clamping on a transfer line
Keeps pneumatic clamp fixtures on a machining transfer line holding their set pressure if the main supply drops, with the check valve retaining the downstream circuit.
Horizontal machining-center pallet clamps
Conditions and holds supply to the pallet-clamp cylinders of a horizontal machining center, combining 40 um filtration, regulation and lubrication in one two-unit set.
Press-shop parts-feeding station
Feeds the air cylinders of a stamping press parts-feeder, where the automatic drain clears condensate from continuous running and the check valve protects the set pressure between strokes.
Is the Airtac GFC Combination Unit GFC400C10ANK the Right Set?
Step through the 200/300/400/600 sizes and their ports - this model is 400 size with a 3/8 in. PT port - to match the air consumption of the downstream circuit. This variant carries the K reverse (check) valve; choose it where the circuit must hold its regulated pressure if supply is lost, and the plain version where it need not. The drain is automatic on this model; manual and differential-pressure types are the other catalogue choices. Filtration is 40 um standard or 5 um with the W code, and a gauge can be added if one is not fitted. PT is the standard thread; order G (BSPP) or NPT where required. Flow is published as curves, not a single rating, so ask us to confirm sizing against the 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 GFC400C10ANK FAQ
AirTAC publishes G-series flow as characteristic curves rather than a single rated figure, so we do not quote a number here. Ask us and we will confirm the flow and datasheet figures for this exact model, including the effect of the check valve, before you order.
The K code fits a reverse (check) valve, which retains downstream pressure if the upstream supply is interrupted. The plain GFC400C10AN without K has no check valve. Choose K for clamping or holding circuits that must stay pressurised on supply loss.
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