The AirTAC GR20008LC2K AirTAC Air Pressure Regulator PT1/4, 0.4 MPa 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 PT1/4" 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 GR20008LC2K is an AirTAC GR-series air pressure regulator: it does one job, holding a steady downstream air pressure from a compressed-air supply. This is the 200 size with a 1/4 in PT port, built as the low-pressure type, so its adjustment range tops out at 0.4 MPa - suited to circuits that must never see full line pressure. It carries an external round gauge reading in psi, and a built-in reverse (check) valve that holds downstream pressure if the upstream supply is lost. Maximum inlet pressure is 1.0 MPa (145 psi), and the operating temperature range is -20 to 70 C, wider than the rest of the G family.
This is a genuine AirTAC part. The GR line spans the 200, 300, 400 and 600 sizes with ports from 1/8 in to 1 in, PT as the standard thread and G or NPT as orderable options, with gauge, bracket and check-valve choices on each. Because AirTAC publishes regulator flow as curves rather than a single rated figure, we confirm the datasheet and flow figures for your application on request.
| Model | GR20008LC2K AirTAC Air Pressure Regulator PT1/4, 0.4 MPa |
|---|---|
| Series | GR200 pressure regulator |
| Port size | PT1/4" (PT 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.
| GR200 | G-series pressure regulator, 200 body — sets the port range. |
|---|---|
| 08 | Port size PT1/4". This body offers 06 = PT1/8", 08 = PT1/4". |
| 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. |
| (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 | GR200 · PT1/4" · 0.05 - 0.4 MPa (7 - 58 psi) |
|---|---|
| One size up | GR300 |
| Line order | Filter first, then regulator, then lubricator |
A bench-top assembly fixture with pneumatic swing clamps needs a gentle, steady clamp force so delicate parts are not crushed. This low-pressure regulator caps the clamp circuit at a setpoint within its 0.4 MPa range, and the check valve holds the clamp position if shop air dips.
A bag-sealing station on a packaging line uses light cylinder pressure for consistent seals without damaging film. The GR20008LC2K regulates that station's 1/4 in air feed, with the round psi gauge letting operators read and verify the setpoint in familiar units.
A lab bench running pneumatic test rigs and small air-driven instruments needs clean, stable, low-pressure air from the building supply. This regulator steps the 1/4 in branch down to a controlled setpoint, and the -20 to 70 C range suits an air-conditioned lab environment.
Start with size and port: the 200 size with a 1/4 in PT port is the smallest step in the GR line, and the right choice depends on the air demand of the circuit downstream - step up to 300/400/600 if your demand points higher. This unit is the low-pressure type, so it regulates up to 0.4 MPa; if your setpoint must go higher, the standard GR type adjusts up to 0.9 MPa. The round psi gauge is fitted here; square embedded gauges and MPa or bar scales are the other catalogue choices. PT is the standard thread, with G (BSPP) and NPT available to order, and the mounting bracket is included (GR is also panel-mountable). The K in the code means the reverse/check valve is fitted - useful where downstream pressure must be held. Flow is published as curves, not a single rating, so ask us to confirm sizing against your application 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 regulator flow as performance curves rather than a single rated number, so we do not quote a flow figure. Send us your application details and we will confirm the datasheet and flow-curve figures for this exact model on request, so you can size it against your air demand before ordering.
The L in GR20008LC2K marks the low-pressure type, whose adjustment range tops out at 0.4 MPa - the right choice where the circuit must never see full line pressure; the standard GR type adjusts up to 0.9 MPa. The K means a reverse (check) valve is fitted, so downstream pressure is held if the upstream supply is interrupted.
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.