The AirTAC GR30010JF2K AirTAC Air Pressure Regulator PT3/8, psi Gauge 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 GR30010JF2K is an AirTAC GR-series air pressure regulator for compressed air only: it reduces and holds a steady downstream pressure, and it does nothing else - there is no filter, no drain bowl and no lubricator in this family. This unit is the size 300 body with a PT3/8 (3/8 in) port, the standard regulation type covering 0.05-0.9 MPa (7-130 psi), an embedded square gauge scaled in psi (an external round gauge is optional), and a reverse/check valve (code K) fitted so downstream pressure is held if the supply drops. It carries no mounting bracket (code J), and GR bodies are also panel-mountable.
This is a genuine AirTAC part. The GR line spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, thread options PT (standard), G (BSPP) and NPT, low-pressure variants, gauge scale choices and check-valve options. Flow for this series is published as curves rather than a single rated figure, so ask us and we will confirm the datasheet figures for your application on request.
| Model | GR30010JF2K AirTAC Air Pressure Regulator PT3/8, psi Gauge |
|---|---|
| Series | GR300 pressure regulator |
| Port size | PT3/8" (PT 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 | 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.
| 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. |
| (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 | 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 clamping pressure for a pneumatic press or clamp cylinder on a fabrication line, with the check valve holding the set pressure if the main supply dips mid-cycle.
Feed the seal, clamp and eject cylinders of a carton or blister packaging machine from one regulated PT3/8 drop, with the psi gauge giving operators a clear local setpoint reading.
Regulate the branch take-off on a factory compressed-air ring main so downstream tooling and actuators see a fixed, repeatable pressure instead of header-pressure swings.
Start with the port step: this unit is size 300 with a PT3/8 port; step up or down a size (200/400/600) if your piping or air demand points elsewhere. The standard regulation range here is 0.05-0.9 MPa (7-130 psi); if your setpoint sits below that band, ask about the GR low-pressure (L) type, which regulates up to 0.4 MPa. The square gauge is fitted and scaled in psi; MPa and bar scales are also available, and an external round gauge can be ordered instead. Thread is PT as standard, with G (BSPP) and NPT as orderable options; the J code means no bracket is supplied, so add one if you need panel or wall mounting, and the K code confirms the reverse/check valve is fitted. Because flow is published as curves rather than a single rating, 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 publishes GR-series flow as curves, not as a single rated figure, so we do not quote a Cv, l/min or SCFM number. Send us your application details and we will confirm the relevant datasheet flow figures for this size 300, PT3/8 regulator on request.
For this GR regulator, J means no mounting bracket is supplied, F means the embedded square gauge is fitted and scaled in psi (MPa and bar scales are alternatives), and K means a reverse/check valve is fitted. The 300-10 part of the code gives the size 300 body with a PT3/8 port.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business 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.