
The AirTAC GFR Filter Regulator GFR300C10ANWK 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.
GFR300C10ANWK is a genuine AirTAC G-series filter regulator in one body: it cleans the air to 5 um and regulates downstream pressure. This 300-size unit has a PT 3/8 in port, the fine W-grade 5 um element, an automatic drain that empties the PC (polycarbonate) bowl without attention, and a fitted reverse (check) valve that resists backflow and helps hold the set pressure if the supply drops. Outlet pressure adjusts from 0.15 to 0.9 MPa (20 to 130 psi) with a maximum inlet of 1.0 MPa (145 psi). No gauge is fitted; a mounting bracket is included. Operating temperature is -5 to 70 C, non-freezing.
This is a genuine AirTAC part distributed for the US market. The G-series filter regulators come in 200, 300, 400 and 600 sizes with 1/8 in to 1 in ports, PT, G (BSPP) or NPT thread options, differential-pressure, automatic or manual drains, 40 um or 5 um elements, and optional check valve and gauges. AirTAC publishes flow as curves, not a single rating, so we confirm datasheet figures for your application on request.
| Model | Airtac GFR Filter Regulator GFR300C10ANWK |
|---|---|
| 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 a clamping fixture where losing pressure mid-cut is unacceptable: the check valve holds the clamp circuit if upstream supply dips, and the 5 um element protects the pilot valves.
Condition the air feeding pilot-operated valves on a filling and capping line; the fine element keeps particulate out of the valve seats and the automatic drain handles condensate.
Regulate and clean the supply to a sorter's valve bank: 5 um filtration guards the solenoid valves while the check valve backs the circuit through compressor cycling.
Use the 300 body with its 3/8 in PT port for circuits whose demand sits above what a 200 unit carries comfortably, and step to 400 or 600 for large actuators; we verify the exact flow curve on request. This code combines the choices that matter on critical circuits: the 5 um W element for cleaner air, the automatic drain for unattended mounting, and the K check valve where a supply dip must not dump your regulated circuit. If you do not need backflow protection, the non-K variant is the same unit without it. Thread is PT as the standard, with G and NPT available to order; a bracket is included and a gauge can be added for a visible setpoint. Ask us to confirm sizing from the datasheet curves 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.
No single figure exists to quote responsibly: AirTAC publishes G-series performance as flow curves over a pressure range. Send us your operating pressure and demand and we will confirm the right size from the datasheet on request.
N means no gauge is fitted on this code. The G series is offered with an embedded square gauge as standard equipment, and an external round gauge with MPa, psi or bar scale is a catalogue option, so a gauged variant can be specified instead. Ask us to identify the matching gauged code.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business 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.