The AirTAC GFR60020ALJC1WTK AirTAC Filter Regulator NPT3/4 Low-Pressure is a genuine G-series filter regulator: water separation, 5 µm particulate filtration and balanced-type pressure regulation combined in a single body. It has PT3/4" 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 GFR60020ALJC1WTK is an AirTAC GFR-series filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in a single body. This size 600 unit carries a 3/4 in NPT port, a 5 um filter element (code W), an automatic drain that empties the bowl without operator attention, and a round pressure gauge with MPa scale. It is the low-pressure regulator type (code L) and a reverse/check valve is fitted (code K). Maximum inlet pressure is 1.0 MPa (145 psi) and the operating temperature range is -5 to 70 C, non-freezing. The bowl on this size 600 unit is aluminium alloy.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 to 1 in, PT as the standard thread and G or NPT as orderable options, manual or differential-pressure drain choices, 40 um standard or 5 um filtration, gauge and scale options, and bracket choices. Flow is published as curves rather than a single rating, so ask us to confirm sizing and full datasheet figures for your application.
| Model | GFR60020ALJC1WTK AirTAC Filter Regulator NPT3/4 Low-Pressure |
|---|---|
| Series | GFR600 filter regulator |
| Port size | PT3/4" (NPT thread) |
| Filtering grade | 5 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 | Aluminium alloy |
| Pressure gauge | Fitted — round, MPa 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.
| GFR600 | G-series filter regulator, 600 body — sets the port range. |
|---|---|
| 20 | Port size PT3/4". This body offers 20 = PT3/4", 25 = PT1". |
| 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. |
| 1 | Gauge scale: MPa. 1 is MPa, 2 is psi, 3 is bar. |
| W | Filtering grade 5 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 | GFR600 · PT3/4" · 5 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-20 (two-unit set) |
Feeding filtered, pressure-controlled air to pneumatic nutrunners and clamps on a vehicle assembly line, with the automatic drain keeping condensate out of the tools and the round MPa gauge giving a clear setpoint check.
Supplying clean, low-pressure regulated air to analytical instruments and test benches, where the 5 um element protects sensitive components and the reverse/check valve holds the circuit against backflow.
Regulating air to conveyor diverters and packaging-machine actuators on a bottling or cartoning line, with the automatic drain handling condensate at the drop point and the MPa gauge letting operators verify pressure at the machine.
Size 600 with a 3/4 in NPT port sits at the top of the GFR range; step down to size 300 or 400 if your line demand is smaller, and match the thread to your piping (PT standard, G or NPT to order). The 5 um element (code W) suits finer air-prep duties; the 40 um standard grade covers general plant air. Drain choice matters: automatic empties the bowl unattended, manual needs an operator, and differential-pressure drains on a pressure drop - this unit is automatic. It is the low-pressure regulator type, and the exact adjustment range for that variant is not published in our sheet, so confirm your setpoint with us before ordering. Gauge scales come in MPa, psi or bar, and a mounting bracket can be included or omitted. Flow is published as curves, not a single rating, so send us your application and we will confirm sizing before you order.
Quick checklist
The aluminium-alloy bowl on the GFR600 suits harsher environments than a PC bowl. 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 rather than a single rated figure, so we do not quote a number here. Send us your line pressure and air demand and we will confirm the flow and the full datasheet figures for this exact model on request.
The L marks the low-pressure regulator type of the GFR range. The exact adjustment range for this low-pressure variant is not published in our sheet, so confirm your required setpoint with us before ordering; we can also quote the standard-range GFR variants and their published ranges on request.
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.