The AirTAC GR60025LJC3TK AirTAC Low-Pressure Air Regulator NPT1 is a genuine G-series air pressure regulator. It holds a stable downstream pressure over the range 0.05 - 0.4 MPa (7 - 58 psi) with PT1" ports, and ships with a pressure gauge. A regulator does not filter the air — put a GF filter upstream, or use a GFR filter regulator, when water and particulate must also be removed.
The GR60025LJC3TK is an AirTAC GR-series air pressure regulator: it does one job, holding your downstream pressure steady at the value you set. This is the 600 size with a 1 in NPT thread, built as the low-pressure (L) type, so its adjustment range tops out at 0.4 MPa - the right choice when your process runs at lower set pressures and you want finer control there. The code also tells you a round external gauge on the bar scale is fitted (C3), a reverse/check valve is included (K), and no mounting bracket is supplied (J); as a GR unit it can also be panel-mounted.
This is a genuine AirTAC part. The GR family spans the 200, 300, 400 and 600 sizes with ports from 1/8 in up to 1 in, in standard and low-pressure types, with gauge, bracket, thread and reverse-valve options to match. AirTAC publishes flow for this series as curves rather than a single rated figure, so ask us and we will confirm the datasheet figures against your application before you order.
| Model | GR60025LJC3TK AirTAC Low-Pressure Air Regulator NPT1 |
|---|---|
| Series | GR600 pressure regulator |
| Port size | PT1" (NPT thread) |
| Regulating range | 0.05 - 0.4 MPa (7 - 58 psi) |
| Pressure type | Low-pressure type |
| Bracket | Supplied without bracket |
| Fluid | Compressed air |
|---|---|
| Max. working pressure | 1.0 MPa (145 psi) |
| Temperature range | -20 to +70 °C |
| Pressure gauge | Fitted — round, bar scale |
| Reflux valve | Fitted (reverse flow permitted) |
| Mounting | Panel mounting; optional fixing bracket |
Specifications follow the official AirTAC G-series air-preparation data. Note the GR temperature range is -20 to +70 °C, wider than the other G-series units. A regulator has no bowl and no filter element, so there is no filtering grade. Flow curves, weight and outline dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.
| GR600 | G-series pressure regulator, 600 body — sets the port range. |
|---|---|
| 25 | Port size PT1". This body offers 20 = PT3/4", 25 = PT1". |
| L | Low-pressure type — 0.05 - 0.4 MPa (7 - 58 psi). 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. |
| 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, type, bracket, gauge, gauge shape, scale, thread, reflux — a blank position takes the default. Example: GR300-08LNK is a 300 body, PT1/4", low-pressure type, no gauge, with 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 rather than from a single rated figure.
| This model | GR600 · PT1" · 0.05 - 0.4 MPa (7 - 58 psi) |
|---|---|
| One size down | GR400 |
| Line order | Filter first, then regulator, then lubricator |
On a carton-sealing or wrapping line where actuators and glue heads are specified for a low set pressure, this low-pressure GR600 regulates the 1 in main down to a steady value the machinery was designed around.
Where big pneumatic valve actuators on a plant floor need a stable, modest pilot pressure from a 1 in air main, this regulator holds the setpoint and its check valve keeps downstream from pushing back.
Tapping a 1 in branch off a factory air ring to feed a low-pressure zone - blow-off stations, air tables or clamping fixtures - this unit lets that branch run at its own setpoint independent of the main header.
Start with the port size: this 600 unit carries a 1 in NPT thread, the largest step in the GR range, so pick it when your line is plumbed at 1 in and your flow demand sits at the top of the family's range - then let us check the flow curve against your actual consumption. The L code makes this the low-pressure type, limited to 0.4 MPa set pressure; if your process needs up to 0.9 MPa, choose a standard GR600 instead. Other decodable choices: gauge scale (this one ships with a round bar-scale gauge; MPa and psi scales and a square embedded gauge exist), thread (PT is the AirTAC standard, G and NPT are order options - this unit is the NPT variant), bracket (J means none supplied), and the K reverse/check valve already fitted here.
One honest note on sizing: AirTAC publishes regulator flow as curves, not a single rated number, so we will not quote you a figure. Send us your flow and pressure conditions and we will confirm from the datasheet that this configuration fits before you order.
Quick checklist
The reflux valve lets air flow back through the regulator, which is useful when downstream volume must vent quickly. A regulator does not remove water or particulate; that is the filter's job.
AirTAC does not publish a single rated flow figure for GR regulators - flow is given as curves in the datasheet. We will not quote you a number, but send us your line pressure, set pressure and air consumption and we will confirm from the datasheet whether this 600-size, 1 in unit is sized correctly for your application.
L marks the low-pressure regulator type. Its adjustment range tops out at 0.4 MPa, whereas the standard GR type adjusts up to 0.9 MPa. If your process set pressure is low and you want control tuned for that band, the L type is the right pick; if you need to set higher pressures, order a standard GR600 instead. The rest of this code reads: 600 size, 1 in NPT port, round bar-scale gauge, check valve fitted, no bracket.
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.