The AirTAC GR40015F2TK AirTAC Air Pressure Regulator NPT1/2 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 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 GR40015F2TK is an AirTAC GR400 series air pressure regulator for compressed air, built around one job only: holding a stable, user-set downstream pressure. This configuration decodes to a 400 size body with 1/2 in NPT ports, a standard regulation range of 0.05-0.9 MPa (7-130 psi) against a maximum inlet pressure of 1.0 MPa (145 psi), and an embedded square gauge reading in psi so the setting is visible at the panel. The K in the code means a reverse (check) valve is fitted, and the bracket is included, with panel mounting also possible on this series. It carries no filter and no bowl - it regulates pressure, nothing else.
This is a genuine AirTAC part from the GR range, which spans sizes 200, 300, 400 and 600 with port options from 1/8 in to 1 in, gauge scales in MPa, psi or bar, an optional low-pressure type, and G, NPT or PT threads. Operating temperature for GR is -20 to 70 C, wider than the rest of the G family. 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 | GR40015F2TK AirTAC Air Pressure Regulator NPT1/2 |
|---|---|
| Series | GR400 pressure regulator |
| Port size | PT1/2" (NPT 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 — 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.
| GR400 | G-series pressure regulator, 400 body — sets the port range. |
|---|---|
| 15 | Port size PT1/2". This body offers 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). |
| F | Gauge shape: Square. 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 | GR400 · PT1/2" · 0.05 - 0.9 MPa (7 - 130 psi) |
|---|---|
| One size down | GR300 |
| One size up | GR600 |
| Line order | Filter first, then regulator, then lubricator |
On a workshop pneumatic press or clamping fixture fed from a shop header, this 1/2 in NPT regulator holds the working pressure the tooling was set up for, with the psi gauge letting operators verify the setting at a glance.
Material-handling conveyors with pneumatic divertors, stoppers and gate cylinders need a steady, repeatable pressure to act consistently; this regulator, with its fitted check valve holding the downstream setting, keeps that branch stable.
On a packaging or cartoning line, individual actuator branches are often run at a lower pressure than the main header; this GR400 regulator drops and holds that branch pressure, with the included bracket mounting it beside the machine's valve island.
Start with the port step: this unit is the 400 size with 1/2 in NPT threads; if your line runs smaller or larger ports, the GR family steps through 200/300/400/600 with ports from 1/8 in to 1 in, so match the size to the air demand of the circuit. The trailing code letters are your real choices: gauge scale (here a square gauge in psi; MPa or bar scales are available), the K option for a reverse/check valve (fitted on this unit), thread family (PT is the catalogue standard, with G and NPT as order options), and the included bracket for wall or panel mounting. There is no drain, filter grade or bowl to choose on a GR - those belong to the filter-bearing families.
One honest note on sizing: AirTAC publishes GR flow as curves, not as a single rated number, so we do not quote a flow figure here. Tell us your line pressure, set pressure and air demand, and we will confirm the correct size against the datasheet curves 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 state a flow number here. Tell us your inlet pressure, set pressure and air demand, and we will confirm the sizing against the datasheet curves on request before you order.
K means a reverse (check) valve is fitted on this regulator. The code also decodes to a 400 size with 1/2 in NPT ports, an embedded square gauge reading in psi, a standard regulation range of 0.05-0.9 MPa (7-130 psi), and an included mounting bracket; panel mounting is also possible on the GR series.
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.