The AirTAC GFR30010ALJC3TK 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 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 AirTAC GFR30010ALJC3TK is a GFR-series filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in a single body. This configuration is sized GFR300 with a 3/8 in NPT port, an automatic drain that discharges collected condensate from the PC bowl without operator attention, a 40 um standard filter element, a low-pressure regulator type, a round pressure gauge with bar scale, and a built-in reverse (check) valve. It is supplied without a mounting bracket.
This is a genuine AirTAC part. The GFR family is published in sizes 200, 300, 400 and 600 with ports from 1/8 in to 1 in, a choice of PT, G or NPT thread, differential-pressure, automatic or manual drains, 40 um or 5 um (code W) filtration, gauge styles and scales, and bracket options. Flow is published as curves rather than a single rating, so ask us to confirm the figures for your application on request.
| Model | GFR30010ALJC3TK AirTAC Filter Regulator NPT3/8 |
|---|---|
| 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 | 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 | Automatic drain |
| Bowl material | PC |
| Pressure gauge | Fitted — round, 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. |
|---|---|
| 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)). |
| L | Low-pressure 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. |
| 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 · PT3/8" · 40 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-10 (two-unit set) |
Feeding clean, regulated air to the pick-and-place cylinders on a packaging line: the 40 um element strips water and particulate before the actuators, the automatic drain keeps the PC bowl clear during continuous shifts, and the check valve holds the circuit if supply is interrupted.
Supplying a low-pressure clamping circuit on a CNC machining cell, where workholding fixtures need filtered air held at a steady, moderate pressure; the round bar gauge gives the operator a direct read of the set point at the fixture.
Regulating air to diverter and stopper gates along a conveyor line: the automatic drain protects the gate cylinders from condensate carryover, and the low-pressure regulator type suits gate circuits that run at moderate pressures rather than full line pressure.
Size the unit by the port and flow step: GFR300 carries a 3/8 in NPT port within a series that steps from 1/8 in (size 200) up to 1 in (size 600); choose the size whose published flow curve covers your demand. This code has the automatic drain; the differential-pressure drain (default) and manual drain are also catalogued on the series. Filtration is the 40 um standard element, with 5 um (code W) available where finer protection is needed. The fitted round gauge reads in bar; an embedded square gauge and MPa/psi/bar scales are the other gauge options. Thread here is NPT; PT is the standard thread and G is an order option. No mounting bracket is included on this code. Note that the exact adjustment range of the low-pressure regulator type is not published, and flow appears only as curves - confirm both with us against your application before ordering.
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 as curves, not as a single rated number, so we do not quote a figure here. Send us your operating pressure and air demand and we will confirm the flow from the datasheet for this exact model before you order.
The A in the code GFR30010ALJC3TK specifies the automatic drain, which discharges condensate from the PC bowl without operator attention. The same series is also catalogued with the differential-pressure drain (the default) and a manual drain (code M); tell us which drain you prefer when ordering.
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.