Airtac GFR Filter Regulator GFR400C15AF1
The AirTAC GFR Filter Regulator GFR400C15AF1 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 GFR400C15AF1
The GFR400C15AF1 is a genuine AirTAC G-series filter regulator: one body that removes water and particulate from compressed air and steps the pressure down to what your downstream equipment needs. This configuration is built around a 1/2 inch PT port, an automatic drain that ejects collected condensate from the PC (polycarbonate) bowl without operator attention, a standard 40 um filter element and an embedded square pressure gauge scaled in MPa. With the automatic drain, the regulating range is 0.15-0.9 MPa (20-130 psi); maximum working pressure is 1.0 MPa (145 psi) and the operating temperature range is -5 to 70 C.
This is a genuine AirTAC part from a family that spans 200, 300, 400 and 600 sizes with ports from 1/8 to 1 inch, plus manual, automatic or differential-pressure drains, an optional 5 um fine element, optional G (BSPP) or NPT threads, and panel-mounting via the included bracket. AirTAC publishes flow capacity as curves rather than a single rating, so send us your line conditions and we will confirm the figures from the datasheet on request.
Airtac GFR Filter Regulator GFR400C15AF1 Technical Specifications
| Model | Airtac GFR Filter Regulator GFR400C15AF1 |
|---|---|
| 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 GFR400C15AF1
| 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 GFR400C15AF1 Is Used
Automotive assembly line air drops
Cleaning and regulating the 1/2 inch branch that feeds cylinder banks, clamps and air-tools along an assembly line, with the automatic drain handling condensate between maintenance rounds.
CNC machining center pneumatics
Conditioning plant air before it reaches tool-changer clamps, spindle drawbar cylinders and chip-door actuators, holding a stable set pressure for repeatable clamping.
Packaging conveyor diverters
Supplying filtered, regulated air to diverter gates, stop-gate cylinders and pusher actuators on a packaging conveyor, where water in the lines would gum the valves.
Is the Airtac GFR Filter Regulator GFR400C15AF1 the Right Unit?
Size 400 with a 1/2 inch PT port sits in the upper-middle of the G range: step up to 600 for larger ports and more flow, or down to 300/200 for compact cabinets and secondary takeoffs. The A suffix gives an automatic drain - the best choice for unmanned or hard-to-reach installations; the same unit can be ordered with a manual drain or the differential-pressure default. Keep the standard 40 um element for general cylinder and valve supply, or add the W suffix for 5 um fine filtration. The embedded square gauge reads in MPa; other gauge scales, G or NPT threads, and the no-bracket J option are catalogue choices.
Flow is published as curves, not a single rated number, 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 GFR400C15AF1 FAQ
AirTAC publishes filter regulator capacity as flow curves rather than a single rated figure, so we do not quote a number on the page. Tell us your line pressure, port size and downstream demand and we will confirm the right size from the datasheet on request.
The A in the code specifies an automatic drain, which discharges collected condensate from the PC bowl without operator attention - ideal for unmanned cells. The same size 400, 1/2 inch unit can be ordered with a manual drain or the differential-pressure default. Note the regulating range is 0.15-0.9 MPa (20-130 psi) with automatic or differential drains, and widens to 0.05-0.9 MPa (7-130 psi) with manual drain.
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Genuine AirTAC parts produced by AirTAC factory.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
Request a Quote for Airtac GFR Filter Regulator GFR400C15AF1
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.