The AirTAC GFR30010AJC2TK AirTAC NPT3/8 Filter Regulator, 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 PT3/8" 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 GFR30010AJC2TK is an AirTAC GFR300 filter regulator: it removes water and particulate from compressed air and sets downstream pressure in a single body. This unit is built with a 3/8 in NPT port, an automatic drain that ejects collected condensate without manual attention, a 40 um standard filter element, a round pressure gauge reading in psi, and a reverse/check valve that holds the set pressure when upstream supply dips. The polycarbonate bowl suits the 300 size, and no mounting bracket is fitted.
This is a genuine AirTAC part. The GFR line spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, thread options in PT, G and NPT, manual or automatic drains, a 5 um element option, gauge choices and scale variants. Flow is published as curves rather than a single rating, so ask us and we will confirm the datasheet figures for your application on request.
| Model | GFR30010AJC2TK AirTAC NPT3/8 Filter Regulator, Auto Drain |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT3/8" (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 — round, psi 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. 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. |
|---|---|
| 10 | Port size PT3/8". 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. |
| J | Supplied without bracket. |
| (blank) | Pressure gauge fitted (blank). |
| C | Gauge shape: Round. 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. |
| 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 · PT3/8" · 40 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-10 (two-unit set) |
Feeding tool-clamp and coolant-spray actuators on a machining centre: the element strips water and swarf-laden condensate from the shop-air drop while the regulator holds a steady set pressure at the machine, and the check valve keeps the circuit from venting during supply dips.
Supplying palletiser and case-sealer cylinders on a packaging line that runs unattended shifts: the automatic drain clears condensate without an operator round, and the regulated output keeps gripper and pusher cylinders cycling at a consistent pressure.
Conditioning air at a fastener-driving or press-fit station on an assembly line: the filter-regulator pair in one body saves panel space at the station, the psi gauge gives operators a local pressure readout, and the 3/8 in port matches the station drop plumbing.
Size and port set the capacity ceiling: step up from 300 to 400 or 600 when the port or flow demand grows, and match the 3/8 in NPT thread to your piping standard (PT is the catalogue standard, with G and NPT as order options). Drain type is a real decision: automatic drain suits unattended duty, manual drain suits supervised points, and differential-pressure drain is the default. The 40 um element is standard; choose the 5 um (W) option where finer filtration is needed. Gauge scale (MPa, psi or bar) and the embedded square versus external round gauge are selectable, and a bracket can be ordered where this no-bracket unit needs panel fixing. Flow is published as curves, not a single rating, so send us your application 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 GFR series as curves, not as a single rated figure, so we do not quote a number here. Tell us your application and we will confirm the datasheet flow figures for this 3/8 in unit on request before you order.
The automatic drain (code A) ejects collected condensate by itself, which suits unattended or hard-to-reach installations. The manual drain needs an operator to open it, and the differential-pressure drain (the default when no drain letter is coded) discharges on the pressure differential across the element. All three are catalogue choices on the same GFR300 body.
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.