The AirTAC GFR30008MF2W AirTAC Filter Regulator, PT1/4, 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 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 GFR30008MF2W is a 300-size filter regulator that removes water and particulate from compressed air and sets downstream pressure in one body. This configuration carries a 5 um filter element (the finer of the two published grades), a manual drain bowl in polycarbonate, a square pressure gauge reading in psi, and PT1/4 ports. With a manual drain, an operator opens the drain at the bottom of the bowl to release collected condensate, which suits installations visited regularly as part of routine checks.
This is a genuine AirTAC part. The GFR series is published in 200, 300, 400 and 600 sizes with ports from 1/8 to 1 inch, a choice of drain types, 40 um or 5 um filtration, gauge styles and scales, and PT, G or NPT threads. Maximum inlet pressure is 1.0 MPa (145 psi) and the working temperature range is -5 to 70 C (non-freezing). Flow is published as curves rather than a single rating, so ask us to confirm figures from the datasheet for your application.
| Model | GFR30008MF2W AirTAC Filter Regulator, PT1/4, 5 um |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/4" (PT thread) |
| Filtering grade | 5 µm |
| Regulating range | 0.05 - 0.9 MPa (7 - 130 psi) |
| Pressure type | Standard 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, 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. Standard type, regulating 0.05 - 0.9 MPa (7 - 130 psi). 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". |
| M | Drain: Manual drain — this also sets the regulating band (0.05 - 0.9 MPa (7 - 130 psi)). |
| (blank) | Standard 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. |
| (blank) | PT 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) |
Mounted ahead of a directional-valve manifold on an assembly machine, this unit filters incoming air to 5 um and holds a steady regulated pressure so solenoid valves shift consistently and stay free of condensate carryover.
On a small workshop press or clamping fixture, the 1/4 in PT ports and square psi gauge let an operator set and read working pressure directly, while the 5 um element protects the cylinder seals from airborne grit.
Fitted at the drop of a packaging or labelling line, this filter regulator conditions the supply for actuated diverters and vacuum generators, with the manual drain emptied during scheduled line checks.
Choose the size and port step against the air your line actually consumes: this unit is 300 size with PT1/4 ports, and the series steps up through 400 and 600 for larger demand. Because flow is published as curves and not a single rated figure, ask us to confirm sizing against your application before ordering. The 5 um element in this code is the finer option for air that feeds sensitive valves, cylinders or instruments; the standard grade is 40 um. Drain type is a real operating choice: this unit is manual drain, which suits attended installations, while automatic and differential-pressure drains suit unattended lines. The square gauge here reads psi; MPa and bar scales and an external round gauge are available. PT is the standard thread, with G (BSPP) and NPT as order options, and a mounting bracket is included.
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 rather than a single rated figure, so there is no one l/min or SCFM number we can state. Tell us your working pressure and air demand and we will confirm the sizing from the datasheet on request before you order.
The M in the code specifies a manual drain: condensate collecting in the polycarbonate bowl is released by opening the drain by hand. It suits installations checked on a regular schedule. If your line runs unattended, ask about the automatic or differential-pressure drain versions of the same GFR300 size.
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.