The AirTAC GR60020LJF2K AirTAC Air Regulator PT3/4 Low-Pressure Type 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 PT3/4" 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 GR60020LJF2K is an AirTAC GR-series air pressure regulator: a dedicated pressure-control unit with no filter element and no bowl, so its only job is holding a stable downstream pressure. This is the size 600, low-pressure (L) configuration with an adjustable range up to 0.4 MPa, fitted with a PT3/4 port (PT thread as standard), an embedded square gauge scaled in psi, and a reverse/check valve (K) that holds downstream pressure when the upstream supply is lost. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -20 to 70 C - wider than the rest of the G family. No mounting bracket is included with this code (J); the GR body is also panel-mountable.
This is a genuine AirTAC part. The GR family spans sizes 200, 300, 400 and 600 with port sizes from 1/8" to 1", offered in standard and low-pressure types, with or without gauge, bracket or check valve, and in PT, G or NPT thread. AirTAC publishes regulator flow as curves rather than a single rated figure, so if you need a flow number for sizing, ask us and we will confirm it from the datasheet on request.
| Model | GR60020LJF2K AirTAC Air Regulator PT3/4 Low-Pressure Type |
|---|---|
| Series | GR600 pressure regulator |
| Port size | PT3/4" (PT 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 — square, 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. |
|---|---|
| 20 | Port size PT3/4". 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). |
| F | Gauge shape: Square. C is round, F is square. |
| 2 | Gauge scale: psi. 1 is MPa, 2 is psi, 3 is bar. |
| (blank) | PT 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 · PT3/4" · 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, the low-pressure type holds a gentle, stable supply to sealing and tucking cylinders that would be overdriven by a standard 0.9 MPa regulator, with the psi gauge letting operators verify the setpoint at a glance.
Above a bottle conveyor, an air-knife drying station needs a steady, moderate pressure rather than maximum line pressure; this 3/4" regulator steps the supply down to the low-pressure band and the check valve keeps the knife circuit from back-feeding when the main supply drops.
On a process skid where quarter-turn actuators on larger valves run at reduced pressure, this size 600 regulator on the 3/4" actuation branch holds the setpoint, and the psi-scaled square gauge gives maintenance staff a direct reading during loop checks.
Start with the port and size: this unit is size 600 with a PT3/4 port, the largest step in the GR range, chosen when your line volume calls for a 3/4" connection. Because this is the L (low-pressure) type, its adjustment range tops out at 0.4 MPa - pick it only if your setpoint sits in that band; the standard GR type covers up to 0.9 MPa. The fitted square gauge reads in psi; MPa and bar scales are the other catalogue options. Thread is PT as standard, with G (BSPP) and NPT available to order as specifications. This code carries no mounting bracket (J), and the K option adds a reverse/check valve for pressure retention. AirTAC publishes regulator flow as curves, not a single rating, so send us your application details and we will confirm sizing against the datasheet 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 only as curves across inlet pressure and setpoint. We do not want to quote you a number the catalogue does not state, so send us your line conditions (supply pressure, setpoint and expected demand) and we will confirm the sizing from the datasheet on request.
The L in the code marks the low-pressure type of the GR family, whose adjustment range tops out at 0.4 MPa. It suits circuits deliberately run below that band. If your setpoint needs to go higher, the standard GR type (without the L) adjusts from 0.05 up to 0.9 MPa - we can quote that variant of the same size 600, PT3/4 unit.
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.