The AirTAC GFR60025LJF1TK AirTAC Filter Regulator NPT1 Low-Pressure 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 PT1" ports, a differential-pressure 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 GFR60025LJF1TK is a size-600 filter regulator: water and particulate filtration plus downstream pressure regulation in a single body. This configuration is the low-pressure (L) type, built for circuits that run below standard line pressure, with a 1 in NPT port for high-flow trunk lines. The 40 um element handles general-purpose air cleaning, the differential-pressure drain bleeds collected condensate automatically as flow passes through, and the fitted reverse/check valve holds the downstream setting if upstream supply is interrupted. The embedded square gauge reads in MPa so the set pressure is visible at the unit.
This is a genuine AirTAC part from the GFR series, which spans sizes 200 to 600 with port options from 1/8 in to 1 in, PT as standard and G or NPT to order, plus drain, filter-grade, gauge and bracket choices. Flow is published as curves rather than a single rated figure, so ask us to confirm the datasheet and sizing for your application before ordering.
| Model | GFR60025LJF1TK AirTAC Filter Regulator NPT1 Low-Pressure |
|---|---|
| Series | GFR600 filter regulator |
| Port size | PT1" (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 | Differential-pressure drain |
| Bowl material | Aluminium alloy |
| Pressure gauge | Fitted — square, 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. |
|---|---|
| 25 | Port size PT1". This body offers 20 = PT3/4", 25 = PT1". |
| (blank) | Drain: Differential-pressure 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. |
| 1 | Gauge scale: MPa. 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 | GFR600 · PT1" · 40 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-25 (two-unit set) |
On a machining fixture that holds workpieces with air clamps running at reduced pressure, this unit filters the plant supply and regulates the clamp circuit, with the check valve holding the clamp setting if the main supply drops.
On a cartoning or wrapping line where cylinders and actuators run on a low-pressure network, the 1 in port conditions the main air feed and the square MPa gauge lets operators verify the set pressure at the machine.
On a conveyor line using low-pressure air knives to blow dust or moisture off product, this filter regulator cleans the supply, holds a stable reduced pressure to the nozzles, and auto-drains condensate from continuous flow.
Size 600 with a 1 in NPT port is the top of the GFR range - choose it when your line flow and pipe size demand the largest step; smaller sizes (200/300/400) step down in port and flow capacity. This unit is the low-pressure (L) type, so select it only for circuits regulated below standard pressure; the exact range for this variant is not published, so confirm it with us against your setpoint. Drain is differential-pressure, which self-purges with flow - if your line runs intermittently at low flow, ask about automatic or manual drain alternatives. The 40 um element suits general plant air; a 5 um (W) element is available where finer filtration is needed. Gauge scale here is MPa; psi and bar scales exist as order options. NPT is the thread on this code; PT and G are catalogue alternatives, and this J-coded unit ships without a mounting bracket. Flow is published as curves, not a single rating - 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 performance curves rather than a single rated figure, so we do not quote one number. Tell us your line pressure, set pressure and expected air demand, and we will confirm the sizing against the datasheet curves before you order.
L marks the low-pressure type of regulator, intended for circuits regulated below standard line pressure - the exact range for this variant is not published, so confirm your setpoint with us. The drain on this unit is differential-pressure: collected condensate is expelled automatically by the pressure differential during flow, with no manual draining required.
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.