The AirTAC GFR300C10ALC1T AirTAC Low-Pressure Filter Regulator NPT3/8 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 GFR300C10ALC1T is an AirTAC GFR-series filter regulator: water and particulate filtration plus pressure regulation combined in one body, in the GFR300 size with a 3/8 in NPT port. This configuration is the low-pressure regulator type with a 40 um standard filter element, an automatic drain that expels condensate from the polycarbonate (PC) bowl without manual attention, a round external pressure gauge scaled in MPa, a mounting bracket, and no reverse (check) valve. Maximum inlet pressure is 1.0 MPa (145 psi) and the working 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 to 1 in, and can be ordered with manual or differential-pressure draining, a 5 um element (code W), square or round gauges with MPa, psi or bar scales, G (BSPP) or NPT threads in place of the PT standard, and with or without a bracket. Flow for this series is published as curves rather than a single rated figure, so ask us to confirm the datasheet and sizing for your application.
| Model | GFR300C10ALC1T AirTAC Low-Pressure Filter Regulator NPT3/8 |
|---|---|
| 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) |
On assembly fixtures that clamp with air cylinders running well below standard shop pressure, the low-pressure regulator holds the reduced setting while the 40 um element keeps water and scale out of the clamp valves.
Feeding spray guns and atomizing air on a paint line: the filter removes water and particulate before the guns, the regulator holds the gun supply at the set pressure, and the automatic drain clears condensate from the bowl.
At the drop to a packaging machine's cylinder and valve manifold, this unit filters and regulates the supply; the round MPa gauge gives the operator a visible setpoint and the automatic drain handles condensate unattended.
The decodable choices on this unit are fixed by the code: GFR300 size with a 3/8 in NPT port, low-pressure regulator type, 40 um element, automatic drain, round MPa gauge, bracket included. When selecting within the G-series, step through sizes 200/300/400/600 and ports 1/8 to 1 in to match your piping and the flow your circuit needs; choose the 5 um (W) element where finer particulate removal matters; pick manual or differential-pressure draining instead of automatic if you prefer operator control; and order G (BSPP) or NPT thread to suit the installation - PT is the catalogue standard. Flow is published as curves, not a single rating, so send us your flow and pressure requirements and we will confirm sizing against the datasheet 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 GFR-series flow as curves rather than a single rated figure, so we do not quote a number here. Send us your flow and pressure requirements and we will confirm the sizing from the datasheet on request.
The A code fits an automatic drain, so collected condensate is expelled from the bowl without anyone opening a valve. The alternatives in the series are manual draining (code M), where an operator drains the bowl, and the differential-pressure default; automatic suits equipment that runs unattended.
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.