The AirTAC GFR600-25ALJC3WT AirTAC Filter Regulator NPT1 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 GFR600-25ALJC3WT is a filter regulator: one body that removes water and particulate from compressed air and then regulates downstream pressure. This 600-size unit is built around a 1 in NPT port, so it sits on the main air line of larger installations. It carries the W-grade 5 um filter element for finer filtration than the 40 um standard, an automatic drain that expels collected condensate without manual attention, and the low-pressure (L) regulator type for applications that work at reduced supply pressures. The fitted round gauge reads in bar, and the aluminium alloy bowl suits the 600 size.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 in to 1 in, in PT, G and NPT threads, with a choice of drain type, filter grade, gauge style and scale, and optional brackets. Flow figures for this family are published as curves rather than a single rating, so ask us and we will confirm the datasheet figures for your application on request.
| Model | GFR600-25ALJC3WT AirTAC Filter Regulator NPT1 |
|---|---|
| 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 | 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. 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. |
| (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 | GFR600 · PT1" · 5 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-25 (two-unit set) |
Feeding clean, pressure-controlled air from a 1 in main header to assembly stations, with the automatic drain handling condensate on a line that runs through shifts without an operator at the bowl.
Conditioning plant air ahead of filling and capping machinery, where the 5 um element helps keep water and particulate away from pneumatic components working near product.
Supplying regulated low-pressure air to the cylinders and air bells that gate, divert and stabilise bottles along high-speed conveyor sections.
Start with the port and size: this unit is the 600 size with a 1 in NPT port, the largest step in the GFR range - step down to 200/300/400 sizes with smaller ports if your line flow is lower. The automatic drain here suits unattended duty; a manual-drain version needs periodic operator attention, and the differential-pressure default drains on pressure drop. The 5 um W-grade element is the finer choice over the 40 um standard where downstream equipment needs cleaner air. The fitted round gauge reads bar; square embedded gauges and MPa or psi scales are the other catalogue options. PT is the standard thread, with G and NPT as order options - this code is the NPT version. No mounting bracket is included with this configuration. Flow for this 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. Without the K option, air cannot flow back 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 there is no one rated flow number we can quote. Send us your line pressure and the flow your application needs, and we will confirm the datasheet curve figures for this 1 in NPT unit on request.
The C code in this model fits the optional external round gauge, and the 3 sets its scale to bar. The embedded square gauge is the standard alternative, and MPa or psi scales are also available as catalogue options - so you can match the gauge to the units your maintenance team reads.
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.