The AirTAC GFR30015MLF3TK 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 PT1/2" ports, a manual drain and regulates 0.05 - 0.9 MPa (7 - 130 psi). It does not lubricate — add a GL lubricator, or order the GFC two-unit set, if downstream equipment needs oil.
The AirTAC GFR30015MLF3TK is a GFR-series filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in one body. This unit is built for 1/2 in NPT ports, carries the standard 40 um filter element, and has a manual-drain bowl in polycarbonate. The regulator is the low-pressure type, an embedded square gauge scaled in bar is fitted, a reverse/check valve is included, and a mounting bracket comes with the unit. 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 from the GFR300 size class within a range spanning sizes 200, 300, 400 and 600, with alternative port sizes, drain types, filter grades, gauge scales and thread forms available to order. AirTAC publishes flow for this series as curves rather than a single rated figure, so ask us to confirm the datasheet and sizing for your application before you order.
| Model | GFR30015MLF3TK AirTAC Filter Regulator NPT1/2 |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/2" (NPT thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.05 - 0.9 MPa (7 - 130 psi) |
| Pressure type | Low-pressure 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 | Manual drain |
| Bowl material | PC |
| Pressure gauge | Fitted — square, bar scale |
| Reflux valve | Fitted (reverse flow permitted) |
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. The low-pressure type adjusts over a lower band than standard; we confirm the exact figures from the factory datasheet. 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. |
|---|---|
| 15 | Port size PT1/2". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2". |
| M | Drain: Manual drain — this also sets the regulating band (0.05 - 0.9 MPa (7 - 130 psi)). |
| L | Low-pressure type. Blank is standard, L is the low-pressure type. |
| (blank) | Mounting bracket included. |
| (blank) | Pressure gauge fitted (blank). |
| F | Gauge shape: Square. C is round, F is square. |
| 3 | Gauge scale: bar. 1 is MPa, 2 is psi, 3 is bar. |
| (blank) | Filtering grade 40 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| T | NPT thread. PT is the default; G is BSPP and T is NPT. |
| K | Reverse-flow (reflux) valve fitted. |
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 · PT1/2" · 40 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-15 (two-unit set) |
Filtered, regulated air feeding vacuum grippers and small cylinders on a bench-top pick-and-place cell, where the low-pressure regulator type keeps actuator supply at the gentle set pressure delicate components need.
Supplying spray guns in a body-shop booth: the 40 um element strips water and pipe scale that would fisheye a paint finish, while the regulator holds the gun supply at the pressure the painter sets.
Regulated air to the sealing jaws and clamp cylinders of a bag or tray sealing machine, with the fitted check valve holding downstream pressure if the upstream supply dips.
The real choices in this series are decodable from the code: size 200/300/400/600 sets the port and the flow-capacity step, so move up a size if your demand sits near the top of a curve; the drain is differential-pressure by default, with automatic (A) and manual (M) variants; the filter element is 40 um standard or 5 um with code W; the gauge can be the embedded square type or an external round gauge, with MPa, psi or bar scales; thread is PT as standard, with G and NPT as order options; and a bracket is included unless J is specified. This unit is the low-pressure regulator type. Because AirTAC publishes flow as curves and not as a single rating, send us your application parameters and we will confirm sizing against the datasheet before you order.
Quick checklist
The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. The reflux valve permits reverse flow through the unit. A filter regulator adds no oil to the line.
AirTAC publishes flow for the GFR300 series as curves, not as a single rated number, so we do not quote a figure here. Send us your inlet pressure, set pressure and expected air demand, and we will confirm the flow from the datasheet for this exact model before you order.
Manual drain (code M) means you open the drain valve by hand to expel collected water, which suits panels visited during routine checks. If the unit sits where nobody drains it regularly, the automatic (A) or differential-pressure (blank) drain options in the same series are the better decode.
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.