The AirTAC GFR30015AF2T AirTAC Filter Regulator NPT1/2 Auto Drain 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 automatic 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 GFR30015AF2T is a filter regulator: it removes water and particulate from compressed air and holds downstream pressure steady in one compact body. This unit is sized GFR300 with a 1/2 in NPT port, fitted with an automatic drain that ejects collected condensate without operator attention, a 40 um standard filter element, an embedded square gauge reading in psi, and a mounting bracket. The standard regulator covers 0.15-0.9 MPa (20-130 psi) adjustment, maximum inlet pressure is 1.0 MPa (145 psi), and the polycarbonate bowl suits ambient temperatures from -5 to 70 C (non-freezing).
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, and options include a 5 um element (code W), manual or differential-pressure drain, alternative gauge scales, G (BSPP) or NPT threads in place of the PT standard, and a no-bracket variant. Rated flow is published as curves rather than a single figure, so ask us to confirm the datasheet numbers for your application before ordering.
| Model | GFR30015AF2T AirTAC Filter Regulator NPT1/2 Auto Drain |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/2" (NPT 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 | Automatic drain |
| Bowl material | PC |
| Pressure gauge | Fitted — square, psi 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. |
|---|---|
| 15 | Port size PT1/2". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2". |
| A | Drain: Automatic 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). |
| F | Gauge shape: Square. C is round, F is square. |
| 2 | Gauge scale: psi. 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. |
| (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 · PT1/2" · 40 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-15 (two-unit set) |
Feeding clean, regulated air to CNC machine tool actuators and tool-changer cylinders, with the automatic drain keeping condensate out of the 1/2 in supply drop.
Regulating atomizing air pressure at paint booths while the 40 um element strips water and pipe scale that would otherwise spoil finish quality.
Holding steady pressure for carton-sealer and case-packer cylinders along a packaging conveyor, with the psi gauge letting line staff verify setpoints at a glance.
Choose the size by the port and flow your line needs: GFR300 with its 1/2 in NPT port sits mid-range in the family, which steps from 1/8 in (size 200) up to 1 in (size 600). Drain type is a real working choice: automatic (this unit) ejects condensate on its own, manual needs a periodic bowl press, and the differential-pressure default drains only when the pressure drop across the element rises. Filter grade is 40 um standard; specify W for the 5 um element where finer protection matters. The embedded square gauge here reads psi; MPa and bar scales and an external round gauge are options. Thread is NPT on this unit - PT is the AirTAC standard and G (BSPP) is also orderable. Flow is published as curves, not a single rating, so ask us to confirm sizing against your application before you order.
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 GFR300 as curves rather than a single rated figure, so we do not quote one number. Tell us your line pressure and the flow your application needs and we will confirm from the datasheet whether this 1/2 in unit fits before you order.
This unit has an automatic drain that ejects collected condensate without operator attention. The GFR300 is also available with manual drain or the differential-pressure default, and with a 5 um element (code W) instead of the 40 um standard - just ask for the alternative code.
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.