The AirTAC GFR300C10F2WTK AirTAC Filter Regulator NPT3/8 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 AirTAC GFR300C10F2WTK is a size 300 filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in one body. This configuration is fitted with a 5 um filter element (code W, versus the 40 um standard), a differential-pressure drain, an embedded square gauge reading in psi, a reverse/check valve (code K), an included mounting bracket and a 3/8 in NPT port. The polycarbonate bowl suits non-freezing compressed-air service from -5 to 70 C, with a maximum inlet pressure of 1.0 MPa (145 psi) and a standard regulation range of 0.15-0.9 MPa (20-130 psi).
This is a genuine AirTAC part from the GFR filter-regulator line, which spans sizes 200, 300, 400 and 600 with port sizes from 1/8 to 1 inch, drain choices (differential-pressure, automatic or manual), 40 um or 5 um filtration, gauge scale options and PT, G or NPT threads. Flow is published as curves rather than a single rating, so ask us to confirm the datasheet figures for your application before ordering.
| Model | GFR300C10F2WTK AirTAC Filter Regulator NPT3/8 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) |
Feeding clean, regulated air to the tool-clamp and pallet-change circuits of a CNC machining centre, where the 5 um element protects tight-tolerance valves from water and swarf-laden shop air.
Conditioning the air feeding cylinder-driven carton-forming and sealing heads on a packaging conveyor line, with the regulator set to the pressure the machine builder specifies for consistent stroke behaviour.
Serving as the single conditioning point for a robotic spot-welding cell's valve manifold, combining water and particulate removal with a locked-in working pressure and a check valve that holds downstream pressure if upstream supply dips.
Choose the size and port step against the air demand of the circuit: this unit is size 300 with a 3/8 in port; smaller or larger GFR sizes step the port from 1/8 to 1 inch. Drain type is a real choice - differential-pressure (as here, draining as pressure differential builds), automatic (A) for unattended draining, or manual (M) where an operator drains on a schedule. Filter grade is 40 um standard or 5 um (W) for finer protection of downstream components; this unit carries the 5 um element. Gauge scale can be ordered in MPa, psi or bar, the thread can be PT (standard), G or NPT, and the bracket can be included or omitted (J).
Because flow is published as curves and not as a single rated figure, we cannot quote one number here - send us your application details 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 flow for the GFR series as curves, not as a single rated number, so we do not quote a l/min, m3/h or SCFM figure. Send us your application details and we will confirm the flow and datasheet figures for this size 300, 3/8 in unit on request.
The W in the model code selects the optional 5 um filter grade, which removes finer particulate and carries more water to the drain than the 40 um standard element. It suits downstream components that need cleaner air; if your circuit only needs coarse protection, the 40 um version of the same regulator is the usual choice.
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.