The AirTAC GR30010JF2G AirTAC Air Pressure Regulator G3/8 is a genuine G-series air pressure regulator. It holds a stable downstream pressure over the range 0.05 - 0.9 MPa (7 - 130 psi) with PT3/8" 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 GR30010JF2G is an AirTAC GR-series air pressure regulator for compressed air, providing pressure regulation only - no filtration and no lubrication. This 300-size unit is configured with a G3/8 (BSPP) female port, the standard regulator type with an adjustment range of 0.05-0.9 MPa (7-130 psi), and an embedded square pressure gauge scaled in psi (an external round gauge is available as an option). The trailing J means no mounting bracket is fitted; GR regulators are also panel-mountable. 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-series families.
This is a genuine AirTAC part. The GR family is offered in sizes 200, 300, 400 and 600 with ports from 1/8 to 1 inch, in PT (standard), G or NPT thread, with gauge scale choices of MPa, psi or bar, an optional low-pressure type (up to 0.4 MPa), and an optional reverse/check valve. Flow is published as curves rather than a single rated figure, so ask us to confirm sizing or any datasheet figure for your application before ordering.
| Model | GR30010JF2G AirTAC Air Pressure Regulator G3/8 |
|---|---|
| Series | GR300 pressure regulator |
| Port size | PT3/8" (G (BSPP) thread) |
| Regulating range | 0.05 - 0.9 MPa (7 - 130 psi) |
| Pressure type | Standard 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 | Not fitted |
| 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.
| GR300 | G-series pressure regulator, 300 body — sets the port range. |
|---|---|
| 10 | Port size PT3/8". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2". |
| (blank) | Standard type — 0.05 - 0.9 MPa (7 - 130 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. |
| G | G (BSPP) thread. PT is the default; G is BSPP and T is NPT. |
| (blank) | No reverse-flow valve (the default). |
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 | GR300 · PT3/8" · 0.05 - 0.9 MPa (7 - 130 psi) |
|---|---|
| One size down | GR200 |
| One size up | GR400 |
| Line order | Filter first, then regulator, then lubricator |
Set a stable, repeatable downstream pressure on a bench or C-frame pneumatic press so the ram delivers consistent force from cycle to cycle, with the psi-scaled square gauge giving the operator a direct reading at the setpoint.
Feed a packaging line's actuators and sealing cylinders from a regulated branch, holding the machine's specified working pressure independent of swings in the plant compressor header.
Regulate the supply to an end-of-arm gripper circuit so part-holding force stays within the tooling spec, panel-mounted at the cell's air preparation point.
Start with size and port: GR comes in 200, 300, 400 and 600, stepping up in port size and flow capacity, so match the size to the air demand of the circuit - this unit is size 300 with a G3/8 (BSPP) port. Choose the gauge scale you want to read: MPa (1), psi (2) or bar (3); this configuration carries the embedded square gauge in psi. Select the thread for your piping - PT is the catalogue standard, with G (BSPP) and NPT as orderable options, which is how this unit gets its G thread. Decide on mounting: the J code here means no bracket, though GR is also panel-mountable. If your set pressure never exceeds 0.4 MPa, the L low-pressure type is available. Flow is published as curves, not a single rating, so ask us to confirm sizing against your application before ordering.
Quick checklist
Without a reflux valve, air cannot flow back through the regulator — order the K option if reverse flow is required. 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 number, so we do not quote a flow figure. Tell us your application and we will confirm the flow curve and correct sizing from the datasheet on request before you order.
The F2 code in GR30010JF2G means the embedded square gauge is fitted and scaled in psi. Gauge scale is a real orderable choice - MPa (1), psi (2) or bar (3) - and an external round gauge is available as an option, so pick the scale that matches the rest of your instrumentation.
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.