The AirTAC GFR30008LF2WG AirTAC Filter Regulator G1/4 5 um 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 GFR30008LF2WG is an AirTAC GFR-series filter regulator: water and particulate removal plus pressure regulation combined in a single body. This configuration is built on the 300 size with G1/4 ports, a 5 um filter element (code W), the low-pressure regulator type, and a differential-pressure drain that bleeds collected condensate automatically as flow passes through. It comes with the embedded square gauge scaled in psi, and the polycarbonate bowl suits the non-freezing -5 to 70 C working range at up to 1.0 MPa (145 psi) maximum inlet pressure.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with port sizes from 1/8 to 1 inch, drain choices (differential-pressure, automatic or manual), 40 um standard or 5 um filtration, gauge scale options and PT, G or NPT threads. Flow is published as curves rather than a single rating, so ask us to confirm the figures for your application on request.
| Model | GFR30008LF2WG AirTAC Filter Regulator G1/4 5 um |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/4" (G (BSPP) 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 — square, psi 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.
| GFR300 | G-series filter regulator, 300 body — sets the port range. |
|---|---|
| 08 | Port size PT1/4". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2". |
| (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. |
| (blank) | Mounting 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. |
| W | Filtering grade 5 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| G | G (BSPP) 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 | GFR300 · PT1/4" · 5 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-08 (two-unit set) |
Filtering and regulating the air supply to pneumatic clamps on a machining fixture, with the 5 um element protecting clamp cylinders and directional valve seals from water and particles.
Conditioning supply air for low-pressure cylinders and grippers on an assembly station, where one compact body handles both moisture removal and pressure setting at the machine.
Feeding filtered, regulated low-pressure air to spray guns on a paint line, with the 5 um grade helping keep moisture and particulates out of the finish.
The real decodable choices are the size and port step (200/300/400/600 against the flow your line needs), the drain type - differential-pressure on this unit, with automatic (A) and manual (M) as alternatives - and the filter grade: 40 um standard or 5 um with the W code, as fitted here. Gauge scale (MPa, psi or bar), thread (PT standard, with G or NPT as order options) and the mounting bracket complete the configuration. Because AirTAC publishes flow as curves rather than one rated number, send us your flow and pressure requirements 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. Without the K option, air cannot flow back 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 requirements and we will confirm the sizing from the datasheet on request.
The W code selects the 5 um filter element instead of the 40 um standard, for finer protection of downstream equipment. The L code selects the low-pressure regulator type, whose exact adjustment range is not published - we confirm it on request. This unit drains via the differential-pressure method, with automatic and manual drain available elsewhere in the family.
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.