The AirTAC GFR300C15MLC2T AirTAC Filter Regulator NPT1/2 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 AirTAC GFR300C15MLC2T is a filter regulator: filtration and pressure regulation combined in one body. This size 300 unit has a 1/2 in NPT port, a polycarbonate bowl with manual drain, and the standard 40 um filter element that removes water and particulate from the compressed air. The regulator is the low-pressure type, intended for circuits where setpoints sit below the standard range; the exact adjustment range for this type is not published, and we confirm it on request. A round gauge with a psi scale is fitted, a mounting bracket is included, and no reverse/check valve is fitted. 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 from the GFR300 series. The GFR family is available in sizes 200, 300, 400 and 600 with ports from 1/8 to 1 in, a choice of PT, G or NPT thread, manual, automatic or differential-pressure drains, 40 um or 5 um (code W) elements, and gauge options. We do not quote a single rated flow figure because AirTAC publishes flow as curves; ask us to confirm the datasheet figures for your application.
| Model | GFR300C15MLC2T AirTAC Filter Regulator NPT1/2 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) |
Placed ahead of spray guns and coating heads on a finishing line, it holds the air at a low, stable setpoint while the 40 um element keeps water and pipe scale out of the gun.
Mounted at the inlet of a pneumatic pick-and-place module, it filters the shop air and lets the technician set the cylinder pressure against the fitted psi gauge.
Installed where the air drop feeds a packaging line's sealing jaws and diverters, it conditions the supply, and the manual drain suits a station an operator visits each shift.
Size and port set the flow path: the 300 frame with its 1/2 in NPT port suits circuits that need more air than the 200 frame, but the right step depends on your demand, so have us check the flow curve before ordering. The decodable choices on this unit are: manual drain (you drain the bowl by hand - automatic and differential-pressure drain codes exist for units that cannot be watched), the standard 40 um element (code W gives 5 um for finer protection), a round gauge on a psi scale (the embedded square gauge and MPa or bar scales are the other catalogue options), and NPT thread where PT or G are the alternatives to order. A mounting bracket is included. Regulation on this low-pressure type covers lower setpoints than the standard type; we confirm the exact range on request because it is not published.
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 and air demand and we will confirm the flow and the full datasheet figures for this unit on request.
M is the manual drain: you release collected water from the bowl by hand, which suits stations an operator visits regularly; automatic and differential-pressure drain codes are available if the unit cannot be watched. The 2 sets the fitted round gauge to a psi scale; MPa and bar scales are the other catalogue options.
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.