The AirTAC GFR200-08L AirTAC Low-Pressure Filter Regulator NPT1/4 5um is a genuine G-series filter regulator: water separation, 5 µm particulate filtration and balanced-type pressure regulation combined in a single body. It has PT1/4" ports, a differential-pressure drain and regulates 0.15 - 0.9 MPa (20 - 130 psi). It does not lubricate — add a GL lubricator, or order the GFC two-unit set, if downstream equipment needs oil.
The GFR200-08L is an AirTAC GFR-series filter regulator: it removes water and particulate from compressed air and holds a regulated downstream pressure in one compact body. This 200-size unit is built with 1/4 in NPT ports, a 5 um filter element (code W), a differential-pressure drain on the polycarbonate bowl, and a round pressure gauge reading in bar. The L in the code marks the low-pressure regulator type, chosen for circuits that run at reduced regulated pressure, and a built-in reverse (check) valve (code K) is fitted. No mounting bracket is supplied (code J).
This is a genuine AirTAC part. The GFR family is offered in 200, 300, 400 and 600 sizes with ports from 1/8 to 1 in, a choice of differential-pressure, automatic or manual drains, 40 um standard or 5 um (W) filtration, and gauge or no-gauge builds with MPa, psi or bar scales; PT is the standard thread with G and NPT as order options. Flow for this series is published as curves rather than a single rated figure, so ask us to confirm sizing and the datasheet for your application on request.
| Model | GFR200-08L AirTAC Low-Pressure Filter Regulator NPT1/4 5um |
|---|---|
| Series | GFR200 filter regulator |
| Port size | PT1/4" (NPT thread) |
| Filtering grade | 5 µm |
| Regulating range | 0.15 - 0.9 MPa (20 - 130 psi) |
| Pressure type | Low-pressure type |
| Adjusting mechanism | Balanced type |
| Fluid | Compressed air |
|---|---|
| Max. working pressure | 1.0 MPa (145 psi) |
| Temperature range | -5 to +70 °C (unfreeze) |
| Drain type | Differential-pressure drain |
| Bowl material | PC |
| Pressure gauge | Fitted — round, bar scale |
| Reflux valve | Fitted (reverse flow permitted) |
Specifications follow the official AirTAC G-series air-preparation data. The regulating band is set by the drain type: automatic and differential-pressure drains regulate 0.15 - 0.9 MPa, a manual drain regulates 0.05 - 0.9 MPa. The low-pressure type adjusts over a lower band than standard; we confirm the exact figures from the factory datasheet. Air must not freeze in the unit. Flow curves, weight and outline dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.
| GFR200 | G-series filter regulator, 200 body — sets the port range. |
|---|---|
| 08 | Port size PT1/4". This body offers 06 = PT1/8", 08 = PT1/4". |
| (blank) | Drain: Differential-pressure drain — this also sets the regulating band (0.15 - 0.9 MPa (20 - 130 psi)). |
| L | Low-pressure type. Blank is standard, L is the low-pressure type. |
| J | Supplied without bracket. |
| (blank) | Pressure gauge fitted (blank). |
| C | Gauge shape: Round. C is round, F is square. |
| 3 | Gauge scale: bar. 1 is MPa, 2 is psi, 3 is bar. |
| W | Filtering grade 5 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| 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, drain, type, bracket, gauge, shape, scale, grade, thread, reflux — a blank position takes the default. Example: GFR300-08 is a 300 body, PT1/4", differential drain, standard type, bracket included, gauge fitted, 40 µm, PT thread, no 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. The GFR600 uses an aluminium-alloy bowl; the 200, 300 and 400 bodies use PC.
| This model | GFR200 · PT1/4" · 5 µm |
|---|---|
| One size up | GFR300 |
| Add lubrication | GFC200-08 (two-unit set) |
Mounted at the drop ahead of hot-melt glue applicators on a carton sealer, this unit strips water and fine particulate and holds a reduced, stable regulated pressure so the glue valves seat cleanly shot after shot. The 5 um element protects the valve internals, and the bar gauge gives the line operator a direct visual check.
On a machining cell where workpieces are held by air clamps that must not be over-pressured, the low-pressure (L) regulator type keeps the clamp circuit at a reduced setting while the filter section keeps moisture and swarf-contaminated air out of the clamp cylinders. The check valve helps the circuit behave predictably if the supply is interrupted.
Feeding pick-and-place grippers and actuated valves on a lab automation manifold, this unit supplies clean air at a gentle regulated pressure suited to delicate handling. The round bar gauge allows the technician to verify the setpoint at a glance, and the differential-pressure drain clears collected water from the polycarbonate bowl without manual intervention.
Choose the size by the port and flow step: this unit is 200 size with 1/4 in NPT ports, stepping up through 300, 400 and 600 for larger ports and higher flow demand. Drain options are differential-pressure (this unit, the default), automatic (A) or manual (M). Filter grade is 5 um here (W) against the 40 um standard element. The gauge on this build is the external round type reading in bar (C3); the embedded square gauge and MPa or psi scales are the other catalogue choices. Thread: PT is the standard, with G (BSPP) and NPT as order options - this unit is ordered with NPT. The J code means no mounting bracket is supplied. Because flow is published as curves rather than a single rating, send us your flow and pressure conditions and we will confirm sizing against the datasheet before you order.
Quick checklist
The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. The reflux valve permits reverse flow through the unit. A filter regulator adds no oil to the line.
AirTAC publishes flow for the GFR series as curves rather than a single rated figure, so we do not quote a number here. Send us your flow and pressure conditions and we will confirm the sizing from the datasheet on request.
L marks the low-pressure regulator type, selected where the regulated pressure sits below the standard range; the exact adjustment range for this build is not published on the sheet we work from, so we confirm it on request. Compared with a standard build, this unit also carries a 5 um element (W), a round bar-scale gauge (C3), a reverse/check valve (K), NPT threads (T) and no mounting bracket (J), and it drains by differential pressure.
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.