AirTAC GR300-10 Pressure Regulator (GR30010C2)
The AirTAC AirTAC GR300-10 Pressure Regulator (GR30010C2) 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.
- TypePressure regulator
- Port sizePT3/8"
- Regulating range0.05 - 0.9 MPa (7 - 130 psi)
- Pressure typeStandard type
- Pressure gaugeFitted
- Reflux valveNot fitted
- ThreadPT
- BracketFixing bracket included
About the AirTAC GR300-10 Pressure Regulator (GR30010C2)
The GR30010C2 is an AirTAC G-series air pressure regulator: regulation only, with no filter element, no drain bowl and no lubricator. This 300-size unit has a 3/8 in. PT port as standard, a standard pressure type (0.05-0.9 MPa / 7-130 psi adjustment range), and the C2 suffix specifies an external round pressure gauge with a psi scale.
This is a genuine AirTAC part. The GR series is available in sizes 200, 300, 400 and 600 with matching port sizes, handles a maximum inlet pressure of 1.0 MPa (145 psi) and a medium temperature range of -20 to 70 C. GR units are panel-mountable and can take an optional bracket. Flow is published as curves rather than a single rated figure, so we confirm datasheet and sizing figures on request.
AirTAC GR300-10 Pressure Regulator (GR30010C2) Technical Specifications
| Model | AirTAC GR300-10 Pressure Regulator (GR30010C2) |
|---|---|
| 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 | Fixing bracket included |
| 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 | 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.
Model Code: AirTAC GR300-10 Pressure Regulator (GR30010C2)
| 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. |
| (blank) | Fixing bracket included. |
| (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. |
| (blank) | PT 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.
Size Class
- GR200PT1/8" - PT1/4"
- GR300PT1/4" - PT1/2"
- GR400PT3/8" - PT1/2"
- GR600PT3/4" - PT1"
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 |
Where the AirTAC GR300-10 Pressure Regulator (GR30010C2) Is Used
Pneumatic press clamping circuit
Set and hold a stable downstream pressure for the clamping cylinders on a stamping or forming press cell, with the psi round gauge giving operators a direct local reading at the machine.
Machine manifold pressure trim
Drop plant supply pressure to the level a machine's valve manifold and actuators were designed for, mounted on the machine's air inlet panel with the included bracket.
Assembly cell gripper supply
Regulate feed pressure to pick-and-place grippers on an automated assembly cell, where the 3/8 in. PT port suits typical branch-line drop piping.
Is the AirTAC GR300-10 Pressure Regulator (GR30010C2) the Right Regulator?
Size 300 with a 3/8 in. PT port is a mid-range step in the GR family; step down to 200 or up to 400/600 as your piping and flow demand changes. The C2 gauge suffix gives you a round external gauge reading in psi - choose C3 for bar scale instead. Thread is PT as standard; G (BSPP) and NPT versions are catalogue options you can order. A bracket is included and the unit is also panel-mountable.
Because AirTAC publishes GR flow as curves rather than a single rating, send us your application conditions and we will confirm sizing against the datasheet before you order.
Quick checklist
- ✓ Body size for your peak flow (PT3/8" here)
- ✓ Standard 0.9 MPa or low-pressure 0.4 MPa
- ✓ Gauge fitted, or order N without
- ✓ Gauge shape C round / F square
- ✓ Scale MPa (1), psi (2) or bar (3)
- ✓ Reflux valve needed, order K
Installation & Maintenance Notes
- check Install downstream of the filter, following the airflow arrow.
- check Keep inlet pressure at or below 1.0 MPa (145 psi).
- check Set pressure while air is flowing, then lock the knob.
- check Adjust within 0.05 - 0.9 MPa (7 - 130 psi) only.
- check Operating range -20 to +70 °C.
- check Panel-mount or use the fixing bracket; do not hang it on tubing.
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 GR300-10 Pressure Regulator (GR30010C2) FAQ
AirTAC publishes flow for the GR series as curves, not as a single rated figure, so there is no one number we can quote honestly. Tell us your inlet pressure and required downstream flow and we will confirm the sizing from the datasheet on request before you order.
C2 specifies an external round pressure gauge with a psi scale. If you prefer bar, the C3 variant of the same regulator carries a round gauge with a bar scale; a square embedded gauge is also an option in the GR range. The gauge suffix only changes the indication - regulation range stays 0.05-0.9 MPa (7-130 psi).
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for AirTAC GR300-10 Pressure Regulator (GR30010C2)
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.