The AirTAC AirTAC GR30015LC2TK Pressure Regulator NPT1/2, 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 PT1/2" 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 AirTAC GR30015LC2TK is a genuine AirTAC air pressure regulator: it does one job, holding downstream pressure steady, and it carries no filter, no bowl and no drain. This GR300 unit is built in the low-pressure (L) configuration, so its adjustment range tops out at 0.4 MPa instead of the standard GR range - the right choice for circuits that must never see high pressure. It is fitted with an external round gauge scaled in psi (code C2), a reverse/check valve (code K) that holds the set pressure if upstream supply is interrupted, and a mounting bracket (blank bracket code), with 1/2 in NPT ports (code T).
This is a genuine AirTAC part from the GR series, which spans the 200, 300, 400 and 600 sizes with 1/8 in to 1 in ports, standard or low-pressure regulation, gauge or no-gauge builds, and PT, G or NPT threads. 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. Flow is published as curves rather than a single rating, so ask us to confirm the datasheet figures against your application before ordering.
| Model | AirTAC GR30015LC2TK Pressure Regulator NPT1/2, Low-Pressure |
|---|---|
| Series | GR300 pressure regulator |
| Port size | PT1/2" (NPT thread) |
| Regulating range | 0.05 - 0.4 MPa (7 - 58 psi) |
| Pressure type | Low-pressure 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 | 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. |
|---|---|
| 15 | Port size PT1/2". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2". |
| L | Low-pressure type — 0.05 - 0.4 MPa (7 - 58 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. |
| T | NPT 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 · PT1/2" · 0.05 - 0.4 MPa (7 - 58 psi) |
|---|---|
| One size down | GR200 |
| One size up | GR400 |
| Line order | Filter first, then regulator, then lubricator |
Sets and holds a gentle, fixed supply pressure to spray guns and air-assisted applicators, where a low setpoint and a psi-read gauge keep the finish consistent across a shift.
Regulates the low-pressure air feeding carton-sealing and wrapping cylinders on a packaging line, with the check valve holding settings through brief supply dips.
Keeps fixture and clamp cylinders at a controlled low pressure on a CNC cell, protecting delicate workpieces while the round psi gauge lets operators verify the setting at a glance.
Start with the port step: this GR300 has 1/2 in ports, one size up from GR200 (1/4 in) and one down from GR400 (3/4 in) - pick the size whose flow curve covers your demand rather than matching port size alone. Then choose the regulation type: the low-pressure (L) build on this unit adjusts up to 0.4 MPa, while the standard GR covers 0.05 to 0.9 MPa; if your setpoint sits near or above 0.4 MPa, the standard type is the correct pick. This configuration includes a round gauge scaled in psi; square embedded gauges and MPa or bar scales are the other catalogue options.
Thread is NPT here; PT is the standard GR thread and G (BSPP) is also available to order. The K code adds a reverse/check valve, useful where a lost supply must not dump the set pressure. A bracket is included and GR is also panel-mountable. Because flow is published as curves, not a single rated figure, send us your flow and pressure requirements and we will confirm the right size 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 rather than a single rated figure, so there is no one flow number we can quote for this unit. Send us your line pressure, setpoint and air demand and we will confirm the datasheet flow curve against your application before you order.
L marks the low-pressure type: its adjustment range tops out at 0.4 MPa, instead of the 0.05 to 0.9 MPa range of a standard GR. It is the correct choice for circuits that must be limited to lower pressures; for setpoints above 0.4 MPa, order the standard GR300 build instead.
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.