The AirTAC GR40015F1TK 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 GR40015F1TK is an AirTAC GR400 air pressure regulator, built to reduce and hold a stable downstream pressure from a compressed-air supply. This configuration is the 400 size with a 1/2 in NPT thread, the standard regulator type with an adjustment range of 0.05-0.9 MPa (7-130 psi), and a maximum inlet pressure of 1.0 MPa (145 psi). The embedded square pressure gauge with MPa scale is fitted so the set pressure is visible at the unit, and the K code means a reverse (check) valve is fitted to hold downstream pressure if the upstream supply drops. A mounting bracket is included, and the GR body is also panel-mountable. Operating temperature is -20 to 70 C, wider than the rest of the G-series families.
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, in PT (standard), G (BSPP) or NPT thread, with optional low-pressure type, gauge scale in MPa, psi or bar, and a reverse/check valve. Flow is published as curves rather than a single rated figure, so we confirm the datasheet and flow figures for your application on request.
| Model | GR40015F1TK 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, MPa 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. |
| 1 | Gauge scale: MPa. 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 |
Set and hold a repeatable clamping pressure for a pneumatic press or clamp cylinder on a machining cell, with the check valve holding the set pressure if the plant air header dips.
Feed carton sealers, case packers and wrapper actuators on a packaging line from a regulated 1/2 in branch, keeping cylinder speeds consistent as factory air pressure wanders.
Give each station on an automated assembly line its own regulated drop, so pick-and-place cylinders and air chucks see the pressure the station was engineered for.
Start with the port and size step: the 400 size with a 1/2 in NPT thread suits lines where larger actuator and cylinder supply volumes pass through the regulator, while smaller 200/300 sizes cover lighter duty. Set the downstream pressure anywhere in the 0.05-0.9 MPa (7-130 psi) range; if your circuit runs below roughly 0.4 MPa, the low-pressure (L) type is the purpose-built choice. Choose the gauge scale (MPa, psi or bar) to match the instruments your technicians read, and specify the K reverse/check valve where downstream pressure must be held through an upstream dropout. Thread is PT as the catalogue standard, with G (BSPP) and NPT as order options - this unit is ordered in NPT. A bracket is included and the GR is also panel-mountable. Because flow is published as curves and not a single rated number, ask us to confirm sizing against your air consumption before ordering.
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 regulator flow as curves, not as a single rated figure, so there is no one flow number we can honestly quote for this 1/2 in unit. Send us your application's air consumption and line conditions and we will confirm the sizing and the datasheet flow figures on request before you order.
The K code means a reverse (check) valve is fitted, so downstream pressure is held if the upstream supply is lost. The F1 code means the embedded square gauge is fitted with an MPa scale; psi and bar scales are order options if your team reads in those units.
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.