The AirTAC Airtac GFR Filter Regulators GFR30015ALJC2W 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 automatic 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 GFR30015ALJC2W is an AirTAC GFR300 filter regulator: filtration and pressure regulation combined in one body. It removes water and particulate down to 5 um through the fine W-grade element, then regulates downstream pressure, with the low-pressure type regulator for circuits that run below standard plant pressure. The automatic drain expels collected condensate without manual attention, the round psi-scale gauge shows outlet pressure at a glance, and the PT1/2 port suits 1/2 in air lines. The polycarbonate bowl suits this 300 size, and no mounting bracket is fitted.
This is a genuine AirTAC part from the G series, which spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, drain choices, 40 um or 5 um filtration, gauge styles and scales, and PT, G or NPT threads. Flow is published as curves rather than a single rating, so ask us to confirm sizing and datasheet figures for your application.
| Model | Airtac GFR Filter Regulators GFR30015ALJC2W |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/2" (PT 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 | Automatic 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". |
| A | Drain: Automatic 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. |
| (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 · PT1/2" · 5 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-15 (two-unit set) |
Feeds filtered, regulated air to clamping cylinders and small press actuators on an assembly cell, where the 5 um element protects valve spools and the low-pressure regulator holds a gentle clamp force setting.
Conditions the air feeding bench-top test rigs and lab automation, where fine 5 um filtration and a stable, low regulated pressure protect sensitive instruments and the psi gauge allows precise set-point checks.
Serves diverters, pushers and sealing heads on a packaging conveyor line, with automatic drain keeping condensate out of the circuit during continuous shifts and the low-pressure type matching light-duty actuation.
Size 300 with a PT1/2 port is the right step when your line flow sits in the mid range: step up to 400 or down to 200 against the published flow curves rather than guessing. The automatic drain suits unattended or hard-to-reach installations; choose manual or differential-pressure drain if you prefer operator-controlled or pressure-differential draining. The 5 um W-grade element is the finer choice for valves, cylinders and instruments that tolerate less particulate than the 40 um standard. This unit is the low-pressure regulator type, so confirm your working band with us before ordering. The round gauge is scaled in psi; square embedded gauges and MPa or bar scales are alternatives. PT is the standard thread, with G and NPT available as order options, and brackets can be added if this no-bracket configuration needs panel fixing.
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 number here. Send us your line pressure, downstream demand and allowable pressure drop, and we will confirm sizing against the datasheet curves on request before you order.
The A in the code sets the automatic drain, which ejects collected condensate by itself and suits unattended installations, and the W sets the 5 um filter grade, one step finer than the 40 um standard. Both are decodable choices: manual or differential-pressure drains and the 40 um element are available in the same family if your application prefers them.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business 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.