The AirTAC GFR300C15LJC2G AirTAC Filter Regulator G1/2 Low-Pressure 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 GFR300C15LJC2G is an AirTAC GFR300 filter regulator: water and particulate filtration plus pressure regulation combined in one body. This configuration is built with a G1/2 port (G thread, with PT as the standard and G/NPT available as order options), the standard 40 um filter element, a differential-pressure drain that bleeds collected condensate automatically as flow passes through, and a low-pressure regulator type for circuits that run below ordinary line pressure. Outlet pressure is read on the fitted external round gauge with a psi scale, and the unit is supplied without a mounting bracket.
This is a genuine AirTAC part from the GFR300 size family within the G-series range, which spans sizes 200 to 600 with a choice of ports, drain types, 40 um or 5 um filtration, gauge styles and scales, and bracket options. 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 we confirm the datasheet and sizing figures on request.
| Model | GFR300C15LJC2G AirTAC Filter Regulator G1/2 Low-Pressure |
|---|---|
| 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) |
Feeds filtered, regulated air to carton-sealing and wrapping heads that run at reduced pressure, with the differential-pressure drain keeping condensate out of the valves during continuous shifts.
Conditions the air ahead of low-pressure spray and coating stations, removing water and particulate at 40 um and holding the reduced setting steady on the psi gauge.
Supplies low-pressure air to pneumatic control panels and pilot circuits, where the round psi gauge gives operators a clear local reading and the combined body saves panel space.
Size and port set the capacity of the unit: the GFR300 with a G1/2 port sits in the middle of the G-series range, so step up to size 400 or 600 for larger air demand or down to 200 for compact circuits. Because this is the low-pressure type, it suits circuits regulated well below standard line pressure; the exact adjustment range for the low-pressure version is not published, so ask us to confirm it against your set pressure before ordering. The differential-pressure drain is the default and needs no user action, but a manual-drain (M) or automatic-drain (A) version can be ordered if your installation prefers them.
Other decodable choices: the 40 um element is standard here and a 5 um element (code W) is available for finer filtration; the fitted round gauge reads in psi, while the embedded square gauge is standard and MPa/psi/bar scales can be specified; thread is G on this unit with PT standard and G/NPT as order options; and the J code means no mounting bracket is included, so add one if the unit will not be mounted on a manifold or wall plate. Flow is published as curves, not a single rating, so send us your application details and we will confirm sizing before you order.
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 as curves rather than a single rated figure, so no rated flow number is stated here. Send us your application details and we will confirm the flow and sizing figures from the datasheet on request.
The L code marks this as the low-pressure regulator type, intended for circuits regulated below ordinary line pressure. The exact adjustment range for the low-pressure version is not published in the material we hold, so we confirm it on request against your set pressure. The unit otherwise carries the standard GFR300 features: 40 um filtration, differential-pressure drain, fitted round psi gauge, G1/2 port and a maximum inlet pressure of 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.