
The AirTAC Airtac GAC F.R.L. Unit GAC400N10ALNWK is a genuine three-unit F.R.L. combination — a filter, a pressure regulator and a lubricator pre-assembled on one bracket with quick mounting clamps. It has 3/8" ports, a 5 µm filter element and regulates 0.15 - 0.4 MPa (20 - 58 psi).
Delivering cleaned, regulated and lubricated air for downstream pneumatics, this AirTAC GAC400N10ALNWK is a three-unit F.R.L. combination pairing a filter, regulator and lubricator on a single L-shape bracket. The 3/8in port serves a 2390 g assembly that uses a 5 um element to trap fine particles before the air reaches precision valves. Because the lubricator sits last in the sequence, oil mist is introduced downstream of the regulator seat, preventing fouling of the internal pressure control mechanism.
Built with a nylon bowl and an automatic drain, this unit clears condensate without an operator attending the 100 cc drain bowl. It is a lower-pressure type operating at 0.15-0.4 MPa (20-58 psi). No gauge is supplied, but the body features a 1/4in gauge connection if monitoring needs to be added later. The reverse-flow (reflux) valve is fitted, which the catalogue shows as a separate pneumatic symbol with details on its own page.
| Model | Airtac GAC F.R.L. Unit GAC400N10ALNWK |
|---|---|
| Series | GAC400 F.R.L. combination |
| Port size | 3/8" (PT thread) |
| Filtering grade | 5 µm |
| Pressure range | 0.15 - 0.4 MPa (20 - 58 psi) |
| Type | Lower pressure |
| Bowl material | Nylon |
| Drain type | Automatic drain |
| Fluid | Air |
|---|---|
| Max. pressure | 1.0 MPa (145 psi) |
| Proof pressure | 1.5 MPa (215 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Capacity of drain bowl | 100 cc |
| Capacity of oil bowl | 185 cc |
| Recommended lubricant | ISO VG 32 or equivalent |
| Weight | 2390 g |
Specifications follow the official AirTAC GAC catalogue (pages 216-217). Air must not freeze in the unit. No gauge is supplied with this model — the gauge connection on a GAC400 is 1/4" if you add one.
| GAC400 | GA400 series F.R.L. unit — sets ports, bowl capacity and weight. |
|---|---|
| N | Bowl material: Nylon. Available on this body: PC (blank), Metal (C), Nylon (N). |
| 10 | Port size 3/8". This body offers 10 = 3/8", 15 = 1/2". |
| A | Drain: Automatic drain. |
| L | Lower pressure type — 0.15 - 0.4 MPa (20 - 58 psi). This body offers Standard (S) or Lower pressure (L). |
| N | No pressure gauge; 1/4" gauge connection. |
| W | Filtering grade 5 µm. |
| (blank) | PT thread; gauge scale MPa / psi. |
| K | Reverse-flow (reflux) valve attached. |
Constituent units, orderable separately as spares: GAF400-10 filter, GAR400-10 regulator, GAL400-10 lubricator — all three share this body and port.
Figures are the end of the flow curve plotted in the AirTAC catalogue at 0.7 MPa inlet pressure — a sizing envelope for comparing bodies, not a rated flow. Read the catalogue curve for a real duty point. Outlet pressure falls as flow rises, so size a body with headroom above your peak demand.
| This model | GAC400 · 3/8" · curve to 6000 L/min |
|---|---|
| One size down | GAC300 |
| One size up | GAC500 (curve to 7000 L/min) |
| Build order | Filter → bracket → regulator → lubricator |
Feeds sensitive directional valves requiring 5 um filtration to prevent sticking in tight-tolerance machining centers.
Supplies regulated 0.4 MPa air to delicate pick-and-place actuators that handle thin films without tearing.
Conditions instrument air for analytical benches where lower pressure ranges prevent damage to glassware reactors.
Choose this 3/8in model when a system requires very fine 5 um filtration and a low outlet ceiling, stepping up from the GAC300 which offers a 3000 L/min plotted flow envelope at 0.7 MPa inlet compared to the 6000 L/min envelope of this GAC400 body. The automatic drain paired with the 185 cc oil bowl reduces maintenance frequency for unattended lines. If the downstream process must remain oil-free, omit the lubricator and choose a filter-regulator instead. For maintenance, the three units are separately orderable as GAF400-10, GAR400-10 and GAL400-10. The lower-pressure type tops out at 0.4 MPa, which is 44% of the standard 0.9 MPa ceiling.
Quick checklist
The lubricator adds an oil mist downstream of the regulator. If any part of the line must stay oil-free, use a filter-regulator instead of an F.R.L. combination on that branch.
This lower-pressure type regulates from 0.15-0.4 MPa (20-58 psi) with a max pressure of 1.0 MPa (145 psi) and a proof pressure of 1.5 MPa (215 psi). It operates from -5 to 70 C, weighs 2390 g, holds 100 cc of condensate and 185 cc of oil, and uses ISO VG 32 lubricant.
The N in the option code indicates no gauge is supplied from the factory. The body features a 1/4in gauge connection, allowing operators to install a specific PT-thread gauge reading MPa/psi if downstream pressure monitoring is required.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity, thread type (PT / G / NPT) and destination. We confirm price, stock and lead time — usually within 7-8 hours.