The AirTAC GFR300C10MC3WT AirTAC 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 AirTAC GFR300C10MC3WT is a GFR-series filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in a single body. This unit is built on the 300 size with a 3/8 in NPT thread, carries a 5 um filter element (code W), a manual drain, and a round pressure gauge scaled in bar. The standard regulator adjusts from 0.05 to 0.9 MPa (7-130 psi), the maximum inlet pressure is 1.0 MPa (145 psi), and the operating temperature 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 options include automatic or differential-pressure drains, a 40 um standard element, embedded square or external round gauges with MPa, psi or bar scales, PT, G or NPT threads, and a mounting bracket, which is included here. Flow is published as curves rather than a single rating, so ask us to confirm the datasheet figures for your application.
| Model | GFR300C10MC3WT AirTAC 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) |
Feed clean, regulated air to a CNC machine's directional valves and actuators. The 5 um element helps protect valves from particulate and condensed water, and the manual drain is emptied during routine shift checks.
Regulate the supply pressure to a pneumatic press or clamping fixture. The round gauge scaled in bar lets operators set and verify the downstream setpoint, and the 0.05-0.9 MPa adjustment range covers low and standard clamping settings.
Place this filter regulator ahead of the cylinders and diverters on a packaging conveyor line. Filtration plus regulation in one body saves panel space, and the included bracket simplifies mounting beside the line.
Every choice on this family is decodable from the code. Size steps 200, 300, 400 and 600 set the port and the flow capacity, so step up where demand is high - this unit is 300 with a 3/8 in NPT thread. Drain type matters: manual (as here) needs periodic draining by hand, automatic drains continuously, and the differential-pressure default drains on a pressure drop. Filter grade is 40 um standard or 5 um (code W) for finer protection - this unit carries the 5 um element. Gauges are an embedded square gauge or an external round gauge with MPa, psi or bar scales; this one is a round gauge in bar. Thread is PT as standard with G and NPT as order options, and a mounting bracket is included.
Flow is published as curves, not a single rating, so please 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 application details and we will confirm the flow and datasheet figures for the GFR300C10MC3WT on request.
This unit has a manual drain: open it periodically to expel collected condensate. If the unit sits in a hard-to-reach spot or runs unattended, order the automatic-drain (A) version or the differential-pressure default instead - the filter regulator body and settings stay the same, only the drain changes.
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.