Airtac GFR Filter Regulator GFR400C10N
The AirTAC GFR Filter Regulator GFR400C10N is a genuine G-series filter regulator: water separation, 40 µm particulate filtration and balanced-type pressure regulation combined in a single body. It has See datasheet ports, a differential-pressure drain and regulates 0.15 - 0.9 MPa (20 - 130 psi). It does not lubricate — add a GL lubricator, or order the GFC two-unit set, if downstream equipment needs oil.
- TypeFilter regulator
- 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 GFR Filter Regulator GFR400C10N
The AirTAC GFR400C10N is a filter regulator: filtration and pressure regulation combined in one body, with no lubricator. This configuration is the 400 size with a 3/8in PT port, a standard 40 um filter element and a differential-pressure drain that bleeds collected condensate from the polycarbonate bowl as the pressure drop across it rises. The N code means it is ordered without a gauge. Maximum working pressure is 1.0 MPa (145 psi), the regulator adjustment range is 0.15-0.9 MPa (20-130 psi) with this drain type, and the operating temperature range is -5 to 70 C.
This is a genuine AirTAC part. The G-series filter regulators span the 200, 300, 400 and 600 sizes with 1/8in to 1in ports, differential-pressure, automatic or manual drains, 40 um or 5 um (W) elements, embedded square or optional external round gauges in MPa, psi or bar scales, an optional check (reverse) valve and PT, G or NPT threads. Flow is published as curves rather than a single rating, so we confirm the datasheet and sizing figures for your application on request.
Airtac GFR Filter Regulator GFR400C10N Technical Specifications
| Model | Airtac GFR Filter Regulator GFR400C10N |
|---|---|
| Series | GFR400 filter regulator |
| Port size | See datasheet (PT thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Pressure type | Standard type |
| Adjusting mechanism | Balanced 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). Air must not freeze in the unit. 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 GFR Filter Regulator GFR400C10N
| GFR400 | G-series filter regulator, 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) | Mounting bracket included. |
| (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, bracket, gauge, shape, scale, grade, thread, reflux — a blank position takes the default. Example: GFR300-08 is a 300 body, PT1/4", differential drain, standard type, bracket included, gauge fitted, 40 µm, PT thread, no reflux valve.
Size Class
- GFR200PT1/8" - PT1/4"
- GFR300PT1/4" - PT1/2"
- GFR400PT3/8" - PT1/2"
- GFR600PT3/4" - PT1"
A larger body carries a larger port and holds set pressure better as flow rises. AirTAC publishes flow only as curves, so size the body from your peak demand with headroom. The GFR600 uses an aluminium-alloy bowl; the 200, 300 and 400 bodies use PC.
| This model | GFR400 · See datasheet · 40 µm |
|---|---|
| One size down | GFR300 |
| One size up | GFR600 |
| Add lubrication | GFC400-C1 (two-unit set) |
Where the Airtac GFR Filter Regulator GFR400C10N Is Used
CNC machining-center air prep
Filter and regulate the plant air feeding a CNC machining center's tool-changer and clamping circuits, keeping water and swarf out of the directional valves while holding a steady set pressure.
Packaging-line diverter stations
Supply cleaned, pressure-controlled air to the diverter and stopper cylinders along a packaging conveyor, so each station sees the same set pressure regardless of line demand.
Textile-plant pneumatic circuits
Condition the compressed air feeding loom and winder actuation in a textile plant, where condensate and pipe-scale in the supply would otherwise seat-up control valves.
Is the Airtac GFR Filter Regulator GFR400C10N the Right Unit?
Step up from the 300 to this 400 size when the port and body must carry more air; the port code here is 10 = 3/8in PT, with 06 through 25 available across the series. The differential-pressure drain in this code is the no-touch default; choose automatic (A) for continuous hands-off draining or manual (M) for controlled draining, noting the regulator range shifts to 0.05-0.9 MPa (7-130 psi) with a manual drain. Stay with the standard 40 um element for general plant air or specify the W code for 5 um fine filtration. This unit is ordered with no gauge (N); an embedded square gauge or an external round gauge in MPa, psi or bar scales can be added when ordering. PT is the standard thread, with G (BSPP) and NPT as catalogue options, and the mounting bracket is included.
Because AirTAC publishes flow as curves rather than a single rating, 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
- ✓ Thread PT, G (BSPP) or NPT
- ✓ Oil needed downstream? Use GFC instead
Installation & Maintenance Notes
- check Mount vertically, bowl down, following the airflow arrow.
- check One body does the filtering and the regulating — no separate regulator needed.
- 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 Keep the unit above freezing (-5 to +70 °C, unfreeze).
The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. Without the K option, air cannot flow back through the unit. A filter regulator adds no oil to the line.
Airtac GFR Filter Regulator GFR400C10N FAQ
AirTAC publishes flow for the G-series as curves rather than a single rated figure, so there is no one-number rating to quote. Send us your line pressure, set pressure and air demand and we will confirm the sizing from the datasheet on request.
The differential-pressure drain in this code bleeds condensate automatically as the pressure drop across the bowl rises; the automatic (A) option drains continuously without intervention; the manual (M) option you open yourself. The regulator adjustment range also depends on the drain: 0.15-0.9 MPa (20-130 psi) for differential-pressure and automatic, 0.05-0.9 MPa (7-130 psi) for manual.
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Request a Quote for Airtac GFR Filter Regulator GFR400C10N
Send us the quantity, thread type (PT / G / NPT), gauge scale and destination. We confirm price, availability and lead time — usually within 7-8 hours.