The AirTAC GFR30015MJC2WGK AirTAC Filter Regulator G1/2, 5 um is a genuine G-series filter regulator: water separation, 5 µm particulate filtration and balanced-type pressure regulation combined in a single body. It has PT1/2" ports, a manual drain and regulates 0.05 - 0.9 MPa (7 - 130 psi). It does not lubricate — add a GL lubricator, or order the GFC two-unit set, if downstream equipment needs oil.
The AirTAC GFR30015MJC2WGK is a size-300 filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in one body. This configuration is built with a G1/2 (BSPP) port, 5 um filtration (the finer W grade, versus the 40 um standard element), a manual drain on the PC bowl, a round external gauge with a psi scale, and a reverse (check) valve fitted. It is the no-bracket version. Maximum inlet pressure is 1.0 MPa (145 psi), the regulator adjusts from 0.05-0.9 MPa (7-130 psi), and the working temperature range is -5 to 70 C (non-freezing).
This is a genuine AirTAC part from the GFR filter-regulator family, which spans sizes 200, 300, 400 and 600 with port sizes from 1/8" to 1", a choice of manual, automatic or differential-pressure drains, 40 um or 5 um filtration, gauge and thread options, and an optional reverse valve. Flow is published as curves rather than a single rating, so ask us to confirm the datasheet figures for your application before ordering.
| Model | GFR30015MJC2WGK AirTAC Filter Regulator G1/2, 5 um |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/2" (G (BSPP) thread) |
| Filtering grade | 5 µm |
| Regulating range | 0.05 - 0.9 MPa (7 - 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 | Manual drain |
| Bowl material | PC |
| Pressure gauge | Fitted — round, psi scale |
| Reflux valve | Fitted (reverse flow permitted) |
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 0.05 - 0.9 MPa (7 - 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. |
|---|---|
| 15 | Port size PT1/2". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2". |
| M | Drain: Manual drain — this also sets the regulating band (0.05 - 0.9 MPa (7 - 130 psi)). |
| (blank) | Standard type. Blank is standard, L is the low-pressure type. |
| J | Supplied without bracket. |
| (blank) | Pressure gauge fitted (blank). |
| C | Gauge shape: Round. C is round, F is square. |
| 2 | Gauge scale: psi. 1 is MPa, 2 is psi, 3 is bar. |
| W | Filtering grade 5 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| G | G (BSPP) thread. PT is the default; G is BSPP and T is NPT. |
| K | Reverse-flow (reflux) valve fitted. |
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 · PT1/2" · 5 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-15 (two-unit set) |
Feeding clean, regulated air to tool clamps and pneumatic actuators on a CNC machining centre, where the 5 um element protects fine control valves from particulate and the regulator holds a stable setting for repeatable clamping.
Conditioning the air feeding grippers, pushers and capping heads on a bottling line, with the manual drain bled during shift changeovers and the check valve holding the downstream setting if upstream supply dips.
Regulating and filtering air to diverter gates and stopper cylinders on a packaging conveyor, where the psi-scaled round gauge lets operators read and set the line pressure at a glance.
Start with size and port: the 300 size with a G1/2 port sits mid-range in the GFR line, one step above 1/4"-3/8" sizes and below the high-flow 400/600 units - match it to the pipe size and the flow your circuit needs, and we will confirm the flow curve against your demand. Choose the drain: this unit has a manual drain, so someone must bleed the bowl periodically; pick automatic or differential-pressure drain if the installation is unattended. This unit carries the 5 um W element for finer particulate control; the 40 um standard element suits general-purpose lines. The round psi gauge is fitted here; an embedded square gauge with MPa, psi or bar scales is the alternative. Thread: this version is G (BSPP); PT is standard and NPT is an order option. Bracket: not included in this J-coded version - order a bracket if you want panel or surface mounting. Because flow is published as curves rather than a single rating, send us your application details and we will confirm sizing before you order.
Quick checklist
The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. The reflux valve permits reverse flow 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 or SCFM figure. Send us your operating pressure and air demand and we will confirm the flow curve and datasheet figures for this 300-size, G1/2 unit before you order.
The M in the code sets a manual drain on the bowl: condensate is released by hand rather than automatically. Choose manual drain where the unit is checked regularly as part of a maintenance routine; choose automatic or differential-pressure drain for unattended installations. Note that the manual-drain version also allows the widest regulator adjustment range, 0.05-0.9 MPa (7-130 psi).
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.