Airtac GFR Filter Regulator GFR400C15AJC1WK
The AirTAC GFR Filter Regulator GFR400C15AJC1WK 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 GFR400C15AJC1WK
The GFR400C15AJC1WK is an AirTAC G-series filter regulator combining filtration and pressure regulation in one body with a drain bowl and no lubricator. The W code specifies the fine 5 um element instead of the 40 um standard, and the trailing K adds a reverse (check) valve so downstream pressure is not lost back through the unit when upstream supply is shut off. This 400-size unit takes a 1/2 in PT thread, includes an external round gauge reading in MPa (C1), and is supplied without a bracket (J). Drainage is automatic, the regulator adjusts from 0.15 to 0.9 MPa (20-130 psi) with this drain, max inlet is 1.0 MPa (145 psi), and the temperature range is -5 to 70 C. The bowl on the 400 size is polycarbonate (PC).
This is a genuine AirTAC part. The G-series filter regulator family spans 200, 300, 400 and 600 sizes in ports from 1/8 to 1 in, with differential-pressure, automatic or manual drains, 40 um or 5 um (W) elements, embedded square or external round gauges in MPa, psi or bar scales, optional reverse/check valve, and G (BSPP) or NPT threads alongside the PT standard. Flow figures are published as curves rather than a single rating, so we confirm datasheet values on request.
Airtac GFR Filter Regulator GFR400C15AJC1WK Technical Specifications
| Model | Airtac GFR Filter Regulator GFR400C15AJC1WK |
|---|---|
| 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 GFR400C15AJC1WK
| 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 GFR400C15AJC1WK Is Used
Laboratory automation clamping and actuation
Supplying grippers and clamps on an automated sample-handling system, the 5 um element protects the fine pneumatic components and the check valve holds actuator pressure while the upstream supply is switched off between runs.
Emergency shutdown panel instrument air
Mounted on the instrument-air feed to a shutdown or isolation panel, the reverse valve prevents the regulated panel pressure decaying back into a depressurised header, and the MPa gauge gives operators a direct setpoint check.
Air knife and blowing nozzle station on a filling line
Feeding air knives and nozzles that dry containers on a filling line, the fine 5 um element guards the small nozzle orifices against particle blockage while the regulator pins the blowing pressure the line was set up with.
Is the Airtac GFR Filter Regulator GFR400C15AJC1WK the Right Unit?
Specify the WK combination when the downstream circuit is both particle-sensitive and must hold pressure through a supply interruption: the W code gives the 5 um element and the K code the reverse valve. Match the 400 size and 1/2 in PT port to lines already running 1/2 in piping, and compare candidate sizes on the flow curves for your duty point rather than on port size. Automatic drain keeps bowl drainage hands-off here. The round gauge reads MPa, with psi and bar scales as options; G (BSPP) and NPT threads are catalogue alternatives to PT, and dropping the J code adds a mounting bracket. Flow is published as curves, not a single rating, so 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 GFR400C15AJC1WK FAQ
Start from your duty pressure and required flow, then have us confirm the figures: AirTAC publishes flow for the GFR400 series as curves, not as a single rated number, so we will not quote an invented l/min or SCFM value. Send us the application details and we will confirm the datasheet values on request before you order.
The K code fits the reverse (check) valve inside the unit, so you get filtration, regulation and backflow prevention in one 400-size body on the 1/2 in PT connection, alongside the automatic drain, 5 um element and MPa round gauge. If your circuit does not need pressure held through supply interruptions, the non-K versions do the same filtering and regulating job without the check function.
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Request a Quote for Airtac GFR Filter Regulator GFR400C15AJC1WK
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.