The AirTAC GFR30015MJC2T AirTAC Filter Regulator NPT1/2 Manual Drain 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 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 GFR300-15T is a filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in a single body. This configuration has 1/2 in NPT ports, a manual drain bowl in polycarbonate, a 40 um standard filter element, and a round pressure gauge reading in psi. The standard regulator covers an adjustment range of 0.05-0.9 MPa (7-130 psi) with manual drain, and the unit handles a maximum inlet pressure of 1.0 MPa (145 psi) at temperatures from -5 to 70 C (non-freezing). No mounting bracket is included with this code.
This is a genuine AirTAC part from the GFR300 series, one of four sizes (200/300/400/600) spanning port sizes from 1/8 to 1 inch. Across the range you can order automatic, manual or differential-pressure drains, a 5 um (code W) element instead of the 40 um standard, square or round gauges with MPa, psi or bar scales, G or NPT threads in place of the PT standard, and a reverse/check valve. We confirm flow and other datasheet figures on request, since flow is published as curves rather than a single rating.
| Model | GFR30015MJC2T AirTAC Filter Regulator NPT1/2 Manual Drain |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/2" (NPT thread) |
| Filtering grade | 40 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 | 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 0.05 - 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. |
| (blank) | Filtering grade 40 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| T | NPT 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 · PT1/2" · 40 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-15 (two-unit set) |
Clean, regulated air for a carton-sealing or wrapping line's cylinders and vacuum generators, with the psi round gauge letting operators check set pressure at a glance and the manual drain bled during shift start-up.
Feeding a workholding clamp circuit on a machining cell, where the regulator holds a repeatable clamping pressure and the 40 um element keeps scale and pipe debris out of the valve stack.
Conditioning the supply to a bench of air tools and actuators on an assembly line, with the 1/2 in NPT ports tying into the drop line and the manual drain emptied as part of daily maintenance rounds.
Size 300 with 1/2 in ports suits lines whose air demand sits between the smaller 200/300 ports and the larger 400/600 step; match the size to the flow your circuit needs rather than to pipe size alone. Because flow is published as curves and not as a single rated figure, ask us to confirm sizing against your application before ordering. This unit has a manual drain, so someone must bleed the bowl periodically; if that does not suit the installation, an automatic or differential-pressure drain code is available. The 40 um element is the standard grade for general plant air; choose the 5 um W option where finer filtration is required. Thread here is NPT; G (BSPP) and PT are the other catalogue options. A bracket can be ordered if this no-bracket code needs panel fixing.
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 this series as curves rather than a single rated figure, so we do not quote a number here. Tell us your application and we will confirm the flow and the full datasheet figures for the GFR300-15T on request before you order.
The M in this code specifies a manual drain: condensate collected in the polycarbonate bowl must be bled off by hand at intervals. If you prefer the bowl to discharge automatically, the A (automatic) or blank (differential-pressure) drain codes are available in the same GFR300 series.
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.