Airtac GFR Filter Regulator GFR300C08NW
The AirTAC Airtac GFR Filter Regulator GFR300C08NW 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.
- TypeFilter regulator
- Port sizeSee datasheet
- Regulating range0.15 - 0.9 MPa (20 - 130 psi)
- Filtering grade40 µm
- DrainDifferential-pressure drain
- Bowl materialPC
- Pressure gaugeFitted
- ThreadPT
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac GFR Filter Regulator GFR300C08NW
The AirTAC GFR300 series combines filtration and pressure regulation in a single body - filtering water and particulate and regulating downstream pressure, with no lubricator. This unit is the 300 size with a PT1/4 port (PT is the standard thread; G and NPT are catalogue options), the fine 5 um element (W suffix), a differential-pressure drain bowl in polycarbonate (300-size bowls are PC), and no gauge fitted. Maximum inlet pressure is 1.0 MPa (145 psi); with the differential-pressure drain the regulator adjusts 0.15-0.9 MPa (20-130 psi); temperature range is -5 to 70 C, non-freezing.
This is a genuine AirTAC part from the G series, which runs sizes 200 to 600 with ports from 1/8 to 1 inch and options including drain type, 40 um or 5 um elements, gauges, G/NPT threads and bracketless (J) versions. Flow is published as curves rather than a single rated figure - we will confirm the datasheet numbers for your duty on request.
Airtac GFR Filter Regulator GFR300C08NW Technical Specifications
| Model | Airtac GFR Filter Regulator GFR300C08NW |
|---|---|
| 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.
Model Code: Airtac GFR Filter Regulator GFR300C08NW
| GFR300 | G-series filter regulator, 300 body — sets the port range. |
|---|---|
| C0 | 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.
Size Class
- GFR200PT1/8" - PT1/4"
- GFR300PT1/4" - PT1/2"
- GFR400PT3/8" - PT1/2"
- GFR600PT3/4" - PT1"
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-C0 (two-unit set) |
Where the Airtac GFR Filter Regulator GFR300C08NW Is Used
Furniture finishing booth
Point-of-use air preparation for spray guns in a furniture finishing booth, where the 5 um element supports cleaner air at the gun than the standard 40 um grade.
Packaging pick-and-place
Regulated supply to the pick-and-place module of a carton packaging machine, with fine filtration protecting the small pilot valves and vacuum ejectors.
Truss fabrication nailers
Bench-side air for pneumatic nailers and staplers in a truss and frame fabrication shop, sized at 1/4 inch PT for the drop regulator at each station.
Is the Airtac GFR Filter Regulator GFR300C08NW the Right Unit?
The W suffix is the whole difference here: a 5 um element instead of the 40 um standard, the choice for finishing-quality air and finer downstream components. Size 300 gives a 1/4 inch port; move to 200 or 400/600 as your port and flow step requires. Drain is the differential-pressure default (0.15-0.9 MPa adjust range); automatic (A) or manual (M) drains are alternatives, with manual widening the range to 0.05-0.9 MPa. No gauge is fitted (N) - gauge options are a catalogue choice.
Thread is PT as standard, with G (BSPP) and NPT available to order; the bracket is included unless the J variant is specified. Because flow is published as curves, not a single rating, ask us to check this size against your application flow before ordering.
Quick checklist
- ✓ Body size for your peak flow (See datasheet here)
- ✓ Element 40 µm or 5 µm
- ✓ Drain sets the regulating band
- ✓ Gauge fitted, shape and scale
- ✓ Thread PT, G (BSPP) or NPT
- ✓ Oil needed downstream? Use GFC instead
Installation & Maintenance Notes
- check Mount vertically, bowl down, following the airflow arrow.
- check One body does the filtering and the regulating — no separate regulator needed.
- check Keep inlet pressure at or below 1.0 MPa (145 psi).
- check Adjust only within 0.15 - 0.9 MPa (20 - 130 psi).
- check Drain condensate before the bowl fills.
- check Keep the unit above freezing (-5 to +70 °C, unfreeze).
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 GFR Filter Regulator GFR300C08NW FAQ
Flow for this series is published as curves, not a single rated figure, so we deliberately do not state a rated number. Send us your line pressure and air demand and we will confirm the correct size from the AirTAC datasheet on request.
The blank code carries the 40 um standard element, which suits general plant air. The W suffix (this model) fits a 5 um element for finishing work and finer air tools or components. Check what your downstream equipment specifies, and ask us to confirm details from the datasheet.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac GFR Filter Regulator GFR300C08NW
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.