The AirTAC GFR300C15AC1T AirTAC Filter Regulator NPT1/2 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.
The AirTAC GFR300C15AC1T is a size 300 filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in one body. This configuration has a 1/2 in NPT port, an automatic drain that ejects collected condensate without manual attention, standard 40 um filtration, and a standard regulator with an adjustment range of 0.15-0.9 MPa (20-130 psi). A round pressure gauge scaled in MPa is fitted so the set pressure is visible at the unit, the polycarbonate bowl suits the size 300 frame, and the mounting bracket is included. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C (non-freezing).
This is a genuine AirTAC part. The GFR filter-regulator line spans sizes 200, 300, 400 and 600, with port options from 1/8 in to 1 in, a choice of automatic, manual or differential-pressure drain, an optional 5 um filter grade (code W), gauge scales in MPa, psi or bar, and G or NPT thread options alongside the PT standard. Flow is published as curves rather than a single rated figure, so ask us to confirm the datasheet and sizing for your application on request.
| Model | GFR300C15AC1T AirTAC Filter Regulator NPT1/2 |
|---|---|
| Series | GFR300 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.
| GFR300 | G-series filter regulator, 300 body — sets the port range. |
|---|---|
| C1 | Port size See datasheet. This body offers 08 = PT1/4", 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.
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 | GFR300 · See datasheet · 40 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-C1 (two-unit set) |
Point-of-use filter regulator feeding the tool-clamp and chip-blow-off circuits of a CNC machining center, giving the cell one setting for clean, regulated air at the machine.
Supplying and regulating the cylinders that raise, clamp and push cartons on a packaging conveyor line, where the automatic drain handles condensate on a line that runs unattended.
A filter regulator at the air drop of a manual assembly cell, so hand tools, clamps and small actuators on the bench all draw from one filtered, regulated supply.
Start with the port and size: this unit is size 300 with a 1/2 in NPT port, one step in the 200/300/400/600 range where larger sizes carry larger ports and more flow capacity. Choose the drain to match maintenance habits: automatic (this unit) suits points that are hard to reach or rarely visited, manual suits attended stations, and differential-pressure draining is the catalogue default. Filtration is 40 um as standard; specify the W code for 5 um where finer particulate capture matters. The gauge here is an external round gauge scaled in MPa; an embedded square gauge is the standard alternative, with psi and bar scales available. Thread is PT as the catalogue standard, with G (BSPP) and NPT as order options - this unit is the NPT version - and the bracket is included. Flow for these units is published as curves, not a single rating, so ask us to confirm sizing against your application before ordering.
Quick checklist
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 publishes flow for the GFR series as curves rather than a single rated figure, so no single flow number is quoted here. Tell us your application and we will confirm the flow and datasheet figures for this size 300, 1/2 in NPT unit on request before you order.
The A in the code specifies an automatic drain, which ejects collected condensate from the bowl without anyone opening it - useful for unattended or hard-to-reach points. The catalogue also offers manual draining (code M) and differential-pressure draining (the default), so you can match the drain to how the installation is maintained.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
Most inquiries answered within 7-8 hours.
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.