The AirTAC GFR300C10LJC2WG AirTAC Filter Regulator G3/8, 5 um is a genuine G-series filter regulator: water separation, 40 µm particulate filtration and balanced-type pressure regulation combined in a single body. It has See datasheet 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 GFR300C10LJC2WG is an AirTAC GFR300 filter regulator: water and particulate filtration plus pressure regulation combined in a single body, with a G3/8 (3/8 in) port and G (BSPP) thread. This configuration carries the 5 um filter element (the finer of the two catalogue grades), a differential-pressure drain, the low-pressure regulator type, and an external round gauge reading in psi; no mounting bracket is included. Maximum inlet pressure is 1.0 MPa (145 psi) and the operating temperature range is -5 to 70 C (non-freezing).
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 in to 1 in, and each size can be ordered with manual or automatic drain, a 40 um or 5 um element, different gauge styles and scales, PT, G or NPT thread, and with or without a bracket. Flow figures for this series are published as curves rather than a single rating, so ask us to confirm sizing and datasheet details for your application before ordering.
| Model | GFR300C10LJC2WG AirTAC Filter Regulator G3/8, 5 um |
|---|---|
| Series | GFR300 filter regulator |
| Port size | See datasheet (PT thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.15 - 0.9 MPa (20 - 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 | Differential-pressure drain |
| Bowl material | PC |
| Pressure gauge | Fitted — factory standard, Factory standard 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 0.15 - 0.9 MPa (20 - 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. |
|---|---|
| C1 | Port size See datasheet. 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)). |
| (blank) | Standard type. Blank is standard, L is the low-pressure type. |
| (blank) | Mounting bracket included. |
| (blank) | Pressure gauge fitted (blank). |
| (blank) | Gauge shape: Factory standard. C is round, F is square. |
| (blank) | Gauge scale: Factory standard. 1 is MPa, 2 is psi, 3 is bar. |
| (blank) | Filtering grade 40 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 · See datasheet · 40 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-C1 (two-unit set) |
Filter and regulate the air feeding low-pressure clamping and ejection cylinders on a carton or blister packaging line, with the 5 um element helping keep downstream seals and valve seats clean.
Supply filtered, regulated low-pressure pilot air to air-operated process valves on a bottling or filling line, keeping the pilot circuit free of water and particulate.
Condition the compressed air feeding pneumatic actuators on laboratory or analytical equipment, where the low-pressure regulator type and fine 5 um filtration suit sensitive instrument circuits.
Choose the size by port and flow: this unit is size 300 with a G3/8 port, and the same function is available in sizes 200, 400 and 600 if your line needs a different step. Drain options are differential-pressure (fitted here), automatic and manual. Filter grade is 40 um standard or 5 um as the W option (fitted here). Gauge choices are the embedded square gauge or an external round gauge, in MPa, psi or bar scales (this unit: round, psi). Thread is PT as standard with G and NPT as order options, and brackets are optional. Flow for the series 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 GFR series as curves rather than a single rated figure, so we do not quote a number here. Send us your inlet pressure, set pressure and expected air consumption and we will confirm the sizing from the datasheet on request.
The L in the code marks the low-pressure regulator variant of the GFR300; the exact adjustment range for this variant is not published in our sheet, so we confirm it on request. C2 in the code means the external round gauge is fitted, reading in psi; the embedded square gauge in MPa, psi or bar scales is the alternative.
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.