The AirTAC GFR60025ALJF2WTK 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 GFR60025ALJF2WTK is an AirTAC GFR600 filter regulator: water and particulate filtration plus pressure regulation combined in one body, sized for a 1 in NPT port. This configuration carries the 5 um filter element (the 40 um standard element is the alternative), an automatic drain that discharges condensate collected in the aluminium alloy bowl, and the low-pressure regulator type. A square pressure gauge is fitted and reads in psi, and a reverse/check valve is included. No mounting bracket is supplied with this code.
This is a genuine AirTAC part. The GFR family is available in sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, in PT (standard), G (BSPP) or NPT thread, with a choice of drain type, filter grade, gauge scale and bracket. Maximum working (inlet) pressure is 1.0 MPa (145 psi) and the operating temperature range is -5 to 70 C (non-freezing). Flow is published as curves rather than a single rated figure, so ask us to confirm the datasheet figures for your application.
| Model | GFR60025ALJF2WTK 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 — square, 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. 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). |
| F | Gauge shape: Square. C is round, F is square. |
| 2 | Gauge scale: psi. 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) |
On fixture and clamping circuits that run at reduced line pressure, the low-pressure regulator holds the working setting while the 5 um element keeps spool and valve ports clean. The 1 in NPT port suits a main drop feeding several clamp circuits.
Wide blow-off headers and air knives need a large port and clean, regulated air. The size 600 body with 5 um filtration protects nozzle orifices, and the automatic drain keeps condensate out of the header during humid shifts.
Bulk conveying lines use air-operated diverter gates that cycle at moderate pressures. This filter regulator conditions the branch feeding those actuators, with the reverse/check valve holding the branch against backflow and the psi gauge giving a local reading.
The real, decodable choices on this family are the size and port step, the drain type, the filter grade, the gauge and its scale, the thread and the bracket. This code is the size 600 body on a 1 in NPT port, the largest step in the range, selected when line size and demand call for it. The 5 um element (code W) suits downstream equipment that needs finer filtration than the 40 um standard; the automatic drain (code A) handles condensate discharge without daily manual draining, which suits unattended drops. The square gauge reads in psi (scale 2); MPa or bar scales and an external round gauge are order options. The thread here is NPT; PT is the standard and G (BSPP) is also available to order. This code omits the mounting bracket (code J). Because flow is published as curves rather than a single rating, 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, not as a single rated figure, so we do not quote a number here. Send us your application details - line pressure, downstream demand and acceptable pressure drop - and we will confirm the flow figures from the datasheet on request before you order.
The automatic drain (code A) disposes of condensate collected in the aluminium alloy bowl without manual draining, which suits installations that are not checked daily. The W code selects the 5 um filter element in place of the 40 um standard, for downstream equipment that needs finer particulate removal. Both are catalogue options on the GFR family.
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.