The AirTAC GR60025LJC2GK AirTAC Air Pressure Regulator G1 Low-Pressure 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 GR60025LJC2GK is an AirTAC GR600 air pressure regulator in the largest 600 size, fitted with a G1 (1 in) G-thread port. This is the low-pressure (L) type, set up for applications where the downstream pressure must be held at a reduced setting rather than full line pressure. It carries a round external pressure gauge scaled in psi, a built-in reverse (check) valve that lets downstream air back-flow past the regulator when the upstream supply is vented, and it is supplied without a mounting bracket - the GR body is also panel-mountable. As a regulator, it does one job only: holding a stable outlet pressure. It contains no filter, no drain bowl and no lubricator, so it should sit downstream of filtration in the air-preparation chain.
This is a genuine AirTAC part. The GR family spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, in standard and low-pressure types, with a choice of gauge style and scale (MPa, psi or bar), an optional reverse valve, bracket or no bracket, and PT (standard), G or NPT threads. Because flow is published as curves rather than a single rated figure, we confirm the datasheet and flow figures for your application on request.
| Model | GR60025LJC2GK AirTAC Air Pressure Regulator G1 Low-Pressure |
|---|---|
| Series | GR600 pressure regulator |
| Port size | PT1" (G (BSPP) 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, psi 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. |
| 2 | Gauge scale: psi. 1 is MPa, 2 is psi, 3 is bar. |
| G | G (BSPP) 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 stamping or assembly press, hold the workpiece with air clamps that must see a reduced, stable pressure rather than full header pressure. This low-pressure GR600 regulator sits in the 1 in clamp circuit, the psi gauge gives operators a direct readout, and the check valve holds the clamp side when the supply is shut off.
Packaging conveyors with air-operated pushers, gates and hold-downs often need deliberately soft actuation to avoid crushing cartons. A 600-size regulator on the main 1 in drop feeds the whole conveyor section at a reduced setting, with the psi-scaled gauge letting line staff verify the set point at a glance.
Bench and pilot-scale test rigs running pneumatic cylinders or air bearings frequently need a low, tightly held supply pressure well below the shop header. This low-pressure GR600 regulator drops the 1 in rig feed to the required band, the round psi gauge supports recorded set points, and the reverse valve protects the rig when the supply is isolated.
Start with the port step: the 600 size takes a 1 in port, so match it to the line diameter and the flow your actuators actually demand - oversizing wastes panel space, undersizing adds pressure drop. The low-pressure (L) type regulates up to 0.4 MPa, so confirm your set point sits within that window; if you need higher settings, the standard GR type regulates from 0.05 to 0.9 MPa. This unit ships with a round gauge scaled in psi - square embedded gauges and MPa or bar scales are the other catalogue choices. Thread is G here; PT is the standard offering and NPT is an order option. The J code means no mounting bracket, and the K code means the reverse (check) valve is fitted - useful where downstream air must vent back through the unit. One honest note on sizing: flow is published as curves, not a single rating, so ask us to confirm the sizing against your application before ordering.
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 publishes regulator flow as curves, not as a single rated figure, so we do not quote a rated flow, Cv or SCFM number for this unit. Tell us your line pressure, set pressure and the flow your application needs, and we will confirm the sizing against the datasheet curves on request before you order.
The L in the model code marks the low-pressure regulator type: it regulates outlet pressure up to 0.4 MPa. The standard GR type regulates from 0.05 to 0.9 MPa. If your set point sits within the low-pressure band, this type is the catalogue match; for higher settings, choose the standard type in the same size.
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.