The AirTAC AirTAC GFR30015LJC2WG Filter Regulator G1/2, 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 PT1/2" 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 GFR30015LJC2WG is a 300-size filter regulator that removes water and particulate from compressed air and controls downstream pressure in one body. This configuration carries a G1/2 (BSPP) port, a 5 um filter element (code W, finer than the 40 um standard), a differential-pressure drain that bleeds condensate as pressure drop builds, the low-pressure regulator type, a round gauge reading in psi, and no mounting bracket.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 to 1 inch, drain, filter-grade, gauge-scale, thread and bracket options, and max inlet pressure of 1.0 MPa (145 psi) at -5 to 70 C (non-freezing). Flow is published as curves rather than a single rating, so we confirm datasheet figures on request.
| Model | AirTAC GFR30015LJC2WG Filter Regulator G1/2, 5 um |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/2" (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. |
|---|---|
| 15 | Port size PT1/2". 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. |
| J | Supplied without bracket. |
| (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 · PT1/2" · 5 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-15 (two-unit set) |
Clean, regulated air to workholding clamps on a machining centre, where the 5 um element protects clamp cylinders from water and swarf-laden air and the low-pressure type suits gentler clamp settings.
Conditioning the supply to diverters, sealers and pusher cylinders on a packaging conveyor, with the differential-pressure drain clearing condensate and the psi gauge giving operators a familiar readout.
Feeding bench-mounted pneumatic test rigs and sample-handling actuators in a laboratory, where the finer 5 um grade and low-pressure regulation keep sensitive instruments on clean, stable air.
Start with size and port: 200, 300, 400 and 600 step up in port and flow capacity, so match the size to the air demand of the circuit - here the 300 size with a G1/2 port. Choose the drain: differential-pressure (this unit), automatic (A) for unattended condensate purge, or manual (M) where an operator drains on schedule. Pick the element: 40 um standard or 5 um (W) as fitted here for finer protection. Select the gauge and its scale (MPa, psi or bar - this unit ships with a round psi gauge), the thread (PT standard, G or NPT to order), and whether a bracket is needed (this unit has none, code J). This is the low-pressure type, so if your set point sits below the standard band, ask us to confirm its exact adjustment range from the datasheet 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 this family as curves, not as a single rated figure, so we do not quote a number. Send us your application details and we will confirm the flow and sizing against the datasheet curves on request before you order.
The W code in the model sets the 5 um filter element instead of the 40 um standard, giving finer protection downstream. The C2 code fits the optional external round gauge with a psi scale; the embedded square gauge with MPa, psi or bar scales is the alternative. Both are decode choices you can specify when ordering.
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.