The AirTAC GFR20008MLF3WT AirTAC Filter Regulator NPT1/4 Low-Pressure 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 manual drain and regulates 0.05 - 0.9 MPa (7 - 130 psi). It does not lubricate — add a GL lubricator, or order the GFC two-unit set, if downstream equipment needs oil.
The AirTAC GFR20008MLF3WT is a low-pressure type GFR200 filter regulator: it removes water and particulate from compressed air and holds a set downstream pressure in one compact body. This configuration has a 1/4 in NPT port, a 5 um filter element (code W), a manual drain on the polycarbonate bowl, an embedded square gauge scaled in bar, and the mounting bracket fitted. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C, non-freezing.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600, with a choice of port, drain type (differential-pressure, automatic or manual), 40 um standard or 5 um (W) filtration, gauge scale, and PT, G or NPT thread. Because flow is published as curves rather than a single rating, we confirm the datasheet figures for your application on request.
| Model | GFR20008MLF3WT AirTAC Filter Regulator NPT1/4 Low-Pressure |
|---|---|
| Series | GFR200 filter regulator |
| Port size | PT1/4" (NPT thread) |
| Filtering grade | 5 µm |
| Regulating range | 0.05 - 0.9 MPa (7 - 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 | Manual drain |
| Bowl material | PC |
| Pressure gauge | Fitted — square, bar scale |
| Reflux valve | Not fitted |
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". |
| M | Drain: Manual drain — this also sets the regulating band (0.05 - 0.9 MPa (7 - 130 psi)). |
| L | Low-pressure type. Blank is standard, L is the low-pressure type. |
| (blank) | Mounting bracket included. |
| (blank) | Pressure gauge fitted (blank). |
| F | Gauge shape: Square. 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. |
| (blank) | No reverse-flow valve (the default). |
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) |
Feeding clamps and swing cylinders on a fixture that must run at a reduced setting; the low-pressure L type and the bar-scaled square gauge let the setter dial the circuit in and read the setting directly.
Conditioning the air going to tool-change cylinders and other actuators on a machining centre; the 5 um element catches fine particulate ahead of sensitive components, with regulation handled in the same body.
Supplying filtered, regulated air to a cartoner's pick-and-place cylinders; the manual drain suits a station an operator already walks past each shift, so the bowl is emptied on a fixed routine.
Size the unit by port and body size: 200 is the compact step, while 300, 400 and 600 carry progressively larger ports and more flow, so match the step to your line's air demand. This code fixes several choices: a manual drain (the bowl is emptied by hand rather than by a float or differential action), a 5 um element instead of the 40 um standard, a square gauge scaled in bar, and NPT thread where PT is the catalogue standard and G is the alternative. The L code selects the low-pressure regulator type; its exact regulation range is not published on our sheet, so tell us your set pressure and we will confirm suitability on request before you order. Flow is published as curves, not a single rated figure, so send us your demand and we will confirm sizing from the datasheet.
Quick checklist
The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. Without the K option, air cannot flow back through the unit. A filter regulator adds no oil to the line.
AirTAC publishes G-series flow as curves, not as a single rated figure, so we do not quote a number here. Send us your line's air demand and working pressure and we will confirm the sizing from the datasheet on request.
The L selects the low-pressure regulator type, intended for circuits set well below standard line pressure. The exact regulation range of this variant is not published on our sheet, so tell us your set pressure and we will confirm on request which type suits your application before you order.
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.