The AirTAC GFR60025ALJC3WTK AirTAC Filter Regulator NPT1 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 PT1" 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 GFR600 series combines water and particulate filtration with pressure regulation in a single body, and this configuration, GFR60025ALJC3WTK, is built for a 1 in NPT connection on the larger size-600 frame. It carries the fine 5 um filter element (code W), an automatic drain that bleeds collected condensate from the bowl without manual attention, and the low-pressure regulator type (code L) for circuits set below standard working ranges. The bowl on this size is aluminium alloy, a round external gauge with a bar scale is fitted (code C3), a reverse/check valve is included (code K), and no mounting bracket is supplied (code J). 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. The GFR filter-regulator family spans sizes 200, 300, 400 and 600 with ports from 1/8 in to 1 in, drain choices (differential-pressure, automatic or manual), 40 um standard or 5 um fine filtration, gauge and scale options, and PT, G or NPT threads. Because flow for this series is published as curves rather than a single rated figure, we confirm the datasheet and sizing figures for your application on request.
| Model | GFR60025ALJC3WTK AirTAC Filter Regulator NPT1 Low-Pressure |
|---|---|
| Series | GFR600 filter regulator |
| Port size | PT1" (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, 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.
| GFR600 | G-series filter regulator, 600 body — sets the port range. |
|---|---|
| 25 | Port size PT1". 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. |
| 3 | Gauge scale: bar. 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 · PT1" · 5 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-25 (two-unit set) |
Feeds clamp and hold-down cylinders on a machining or assembly fixture that is deliberately run at reduced pressure, with the 5 um element protecting the clamping valves from water and fine debris.
Supplies filtered, regulated air to blow-off air knives that strip rinse water from bottles and cans before labelling, with the automatic drain handling condensate in a continuously running line.
Conditions the air feeding spray guns and low-pressure atomizing circuits in a finishing booth, where the fine 5 um grade and steady low-pressure setting support consistent coating work.
Start with the port and size step: this unit is size 600 with a 1 in NPT port, the largest step in the range, so match it against the pipe size and air demand of the circuit; smaller sizes (200/300/400) step down to 1/8-3/4 in ports. Drain type is a real choice: this unit has the automatic drain (A), which suits unattended or hard-to-reach installations, while manual (M) and differential-pressure (blank) variants exist. Filtration is the fine 5 um element here; the 40 um standard element is the alternative where only coarse water and particle removal is needed. The fitted round gauge reads in bar; square embedded gauges and MPa or psi scales are the other catalogue options. Thread is NPT on this code, with PT (standard) and G also orderable. No bracket is included on this code, so plan the mounting accordingly. Flow for the GFR series is published as curves, not a single rating, so ask us to confirm sizing against your application before ordering.
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 rated flow, Cv or SCFM number. Tell us your application and we will confirm the relevant datasheet and flow-curve figures for this 1 in NPT, size-600 unit on request.
The A in the code specifies the automatic drain, which discharges collected condensate from the aluminium bowl on its own - useful where the unit is mounted in a hard-to-reach spot or runs unattended. The catalogue also offers manual (M) and differential-pressure (blank) drains on GFR units if you prefer to control drainage yourself.
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.