The AirTAC GFR30008LC2WG 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 AirTAC GFR30008LC2WG is a 300-size filter regulator that removes water and particulate from compressed air and regulates downstream pressure in a single body. This configuration is built for a 1/4 in line with G (BSPP) ports, carries the 5 um filter element (code W) for finer filtration than the 40 um standard element, and drains condensate automatically by differential pressure - no manual draining routine. It is the low-pressure regulator type and comes with a round pressure gauge reading in psi, a polycarbonate bowl, and a mounting bracket included. 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 from the G-series range, which spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, plus options for drain type, filter grade, gauge style and scale, thread form (PT standard, G and NPT to order) and bracket. Flow is published as curves rather than a single rated figure, so we confirm flow and datasheet figures on request before you order. No stock or delivery commitment is implied here.
| Model | GFR30008LC2WG 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 — round, 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). |
| C | Gauge shape: Round. 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) |
Supplies filtered, regulated air to clamp cylinders on a CNC fixture, where the 5 um element protects the clamp valve seats and the low-pressure setting holds workpieces without crushing.
Feeds clean, regulated air to the pusher and divert cylinders on a carton packaging conveyor, with the differential-pressure drain keeping condensate out of the valves between shifts.
Conditions the air feeding bench-top process apparatus and small pneumatic actuators in a laboratory line, where the low-pressure regulator type and psi gauge suit sensitive, lower-pressure settings.
Start with size and port: the 300 size with 1/4 in G ports suits 1/4 in lines, and larger sizes step up in port and flow capacity - match the size step to the air demand of the circuit. This unit already fixes several choices: the 5 um element (W) instead of the 40 um standard, the differential-pressure drain instead of automatic or manual, the low-pressure regulator type, and a round gauge scaled in psi. If your circuit needs a different drain, grade or gauge scale, other GFR300 codes carry those options. Thread is G (BSPP) here; PT is the catalogue standard and NPT is available to order. A bracket is included on this code (J would omit it). One honest routing note: flow is published as curves, not a single rating, so ask us to confirm sizing against your application before ordering.
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 GFR300 series as curves, not as a single rated figure, so we do not quote a flow number here. Tell us your line size and air demand and we will confirm the flow from the datasheet on request before you order.
The L in the code marks the low-pressure regulator type, intended for lower downstream settings than the standard type. The exact adjustment range for the low-pressure type is not published in the catalogue, so we confirm it on request. Maximum inlet pressure remains 1.0 MPa (145 psi).
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.