The AirTAC GFR300C10JF3TK AirTAC Filter Regulator NPT3/8 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 GFR300C10JF3TK is a filter regulator: it removes water and particulate from compressed air and holds a steady downstream pressure in a single body. This 300-size unit is threaded NPT3/8, filters to 40 um, sheds condensate through a differential-pressure drain, and carries a standard regulator with a 0.15-0.9 MPa (20-130 psi) setting range. The embedded square gauge reads in bar, a reverse/check valve is fitted, and the unit is supplied without a mounting bracket. 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 GFR range, which spans sizes 200, 300, 400 and 600 with port sizes from 1/8 to 1 inch, a choice of PT, G or NPT thread, 40 um or 5 um filtration, manual, automatic or differential-pressure drains, and MPa, psi or bar gauge scales. On this 300 size the bowl is polycarbonate (PC). Rated flow is published as curves rather than a single figure, so ask us to confirm flow and datasheet details for your application.
| Model | GFR300C10JF3TK AirTAC Filter Regulator NPT3/8 |
|---|---|
| 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) |
Steady regulated air to pneumatic clamps on a machining centre, with the 40 um element keeping water and airborne particulate out of the clamp cylinders and the bar gauge giving a local setpoint readout.
Feeding diverters and pushers on a bottling or packaging conveyor, where the regulator holds downstream pressure as line demand fluctuates and the differential-pressure drain sheds condensate automatically.
Supplying air to pneumatic control valves on a process skid, with the fitted reverse/check valve guarding against backflow and the NPT3/8 port matching standard instrumentation tubing runs.
Size and port step up with flow demand: 200 for 1/8-1/4 inch ports, 300 for 3/8-1/2 inch, 400 for 3/4 inch and 600 for 1 inch; this unit sits at 300 with NPT3/8. Filtration is 40 um as standard here, with 5 um (code W) where downstream equipment needs finer air. The differential-pressure drain works automatically as air passes through; manual (M) and automatic (A) drains are the alternatives. Gauge scales come in MPa, psi or bar - this one reads bar - and PT is the standard thread with G and NPT as order options; a mounting bracket is optional on GFR.
Flow for the G-series is published as curves, not a single rated figure, so send us your flow and pressure requirements 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. Without the K option, air cannot flow back through the unit. A filter regulator adds no oil to the line.
AirTAC publishes G-series flow as curves rather than a single rated figure, so we do not quote a number here. Send us your flow and pressure requirements and we will confirm the figure from the datasheet for this NPT3/8 unit before you order.
K marks a fitted reverse (check) valve, which prevents downstream backflow through the unit. Other decodable choices on this filter regulator are the drain type, the 40 um standard filtration grade (5 um with code W), the gauge scale - this one reads bar - and the thread: PT is standard, with G and NPT as order options.
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.