Airtac GFR Filter Regulator GFR400C15MJC1K
The AirTAC GFR Filter Regulator GFR400C15MJC1K 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 GFR400C15MJC1K
The AirTAC GFR series combines filtration and pressure regulation in one body. The GFR400C15MJC1K is the 400 size with a PT1/2 port, a manual drain bowl, the standard 40 um element, an external round pressure gauge on an MPa scale, and the K option: a built-in reverse (check) valve that holds the regulated downstream pressure if the upstream supply is lost. There is no mounting bracket (J code). Maximum inlet pressure is 1.0 MPa (145 psi), the manual-drain regulation range is 0.05-0.9 MPa (7-130 psi), and the polycarbonate bowl operates from -5 to 70 C, non-freezing.
This is a genuine AirTAC part. The G series covers sizes 200 to 600 with ports from 1/8 to 1 inch, in single-function and combined versions, with automatic, manual or differential-pressure drains, a 5 um element option, square or round gauges in MPa, psi or bar, G (BSPP) or NPT thread options and bracket choices. Published flow data takes the form of curves rather than a single rating, so we confirm the figures from the datasheet on request.
Airtac GFR Filter Regulator GFR400C15MJC1K Technical Specifications
| Model | Airtac GFR Filter Regulator GFR400C15MJC1K |
|---|---|
| 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 GFR400C15MJC1K
| 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 GFR400C15MJC1K Is Used
Pneumatic clamping table
Hold the preset on a production clamping table: if the plant air drops or is isolated for maintenance, the check valve keeps the regulated pressure at the clamps so the fixture does not release mid-cycle.
Lab reactor purge supply
Regulate the purge air fed to a laboratory reactor skid, where the round gauge documents the set pressure and the check valve prevents backflow disturbance when the building supply is switched over.
Service vehicle tool circuit
Feed air tools on a mobile service vehicle's compressor circuit; the check valve holds the regulator setting while the compressor cycles, so tool pressure stays steady between stops.
Is the Airtac GFR Filter Regulator GFR400C15MJC1K the Right Unit?
Choose the 400 size where the port is 1/2 inch or the duty sits above the size 300 curve - we will verify against the curve on request. The K code is the deciding factor here: fit a check valve when a loss of plant air must not dump the set pressure from a clamping, holding or safety-related circuit. Manual drain suits attended installations and gives the 0.05-0.9 MPa (7-130 psi) regulation floor; the 40 um element covers general machine air. The external round gauge reads in MPa (psi and bar scales available), the thread is PT as standard with G (BSPP) and NPT to order, and the bracket is deleted on this code.
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 GFR400C15MJC1K FAQ
Yes - on request. AirTAC publishes flow as curves rather than a single rated figure, so we do not state a number on the page. Send us your pressure and demand and we will confirm the sizing from the datasheet before you order.
It adds a reverse (check) valve in the body, so air flows in the set direction only and the downstream, regulated pressure is held if the upstream supply is removed. It is used on clamping, holding and safety circuits where losing the set pressure would stop or release the machine. The standard version without K allows backflow.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac GFR Filter Regulator GFR400C15MJC1K
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.