Airtac GFR Filter Regulator GFR300C08MC1K
The AirTAC GFR Filter Regulator GFR300C08MC1K 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 GFR300C08MC1K
GFR300C08MC1K is an AirTAC G-series filter regulator: filtration and pressure regulation in one body, for compressed air only. This 300-size unit carries a PT1/4 port, a manual-drain PC (polycarbonate) bowl, the standard 40 um filter element, an external round pressure gauge on the MPa scale, and the K-option reverse/check valve fitted. Regulation range with manual drain is 0.05-0.9 MPa (7-130 psi); max working pressure is 1.0 MPa (145 psi); operating temperature is -5 to 70 C, non-freezing.
This is a genuine AirTAC part. The GFR series runs from size 200 to 600 with ports from 1/8 to 1 inch and G (BSPP) or NPT thread options; automatic and differential-pressure drains, the finer 5 um element and other gauge choices sit on neighbouring codes. AirTAC publishes flow as curves rather than a single rating, so we confirm sizing and datasheet figures on request.
Airtac GFR Filter Regulator GFR300C08MC1K Technical Specifications
| Model | Airtac GFR Filter Regulator GFR300C08MC1K |
|---|---|
| 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 GFR300C08MC1K
| 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 GFR300C08MC1K Is Used
Pneumatic clamping on a machining fixture
Feeding the clamp cylinders of a CNC fixture: the filter element keeps water and particulate out of the valve stack while the regulator holds a repeatable clamp pressure set on the MPa gauge.
Pilot air for process valve positioners
Supplying pilot actuators and positioners on a process-line valve manifold, with the manual drain bled during shift checks and the check valve fitted in the supply.
Air prep for packaging-line sealers
Conditioning the air feeding sealing jaws and vacuum generators on a packaging machine, with the external round gauge giving operators a visible set point at the machine.
Is the Airtac GFR Filter Regulator GFR300C08MC1K the Right Unit?
Step up or down a size (200/300/400/600) to match the pipe port and duty of your line; 300 corresponds to the 1/4 inch PT port on this code. Manual drain suits points where an operator bleeds the bowl on a schedule; automatic or differential-pressure drains suit unattended installs. The 40 um element is the standard grade - choose the 5 um W variant where finer filtration is specified. The gauge here is the external round type on MPa; square-face and psi/bar scales exist on other codes, and the K suffix adds the reverse/check valve. PT is the standard thread; G (BSPP) and NPT are catalogue options to order. Flow is published as curves, not a single rating - ask us to confirm sizing against your application 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 GFR300C08MC1K FAQ
AirTAC publishes G-series flow as performance curves rather than a single rated figure, so no one number is honest to quote here. Tell us your operating pressure and demand and we will confirm the sizing against the datasheet curves on request before you order.
The M in the code specifies a manual-drain bowl that an operator bleeds periodically. The same 300-size filter regulator is available with automatic (A) draining or the default differential-pressure drain on other codes - tell us which suits the install and we will point you to the right variant.
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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 GFR300C08MC1K
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.