The AirTAC GFR30015MJNWTK AirTAC Filter Regulator NPT1/2, 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 GFR30015MJNWTK is a filter regulator: it removes water and particulate from compressed air and regulates downstream pressure in one body. This size 300 unit has a 1/2 in NPT port, a fine 5 um filter element, a manual drain bowl in polycarbonate, and a built-in reverse/check valve that holds downstream pressure when the upstream supply is lost. It is supplied without a pressure gauge and without a mounting bracket; the regulated outlet can be set anywhere in the 0.05-0.9 MPa (7-130 psi) range.
This is a genuine AirTAC part from the GFR series, which spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, optional 5 um or standard 40 um elements, automatic, manual or differential-pressure drains, gauge options and G/NPT thread variants. Flow figures are published as curves rather than a single rating, so ask us to confirm sizing and datasheet details for your application before ordering.
| Model | GFR30015MJNWTK AirTAC Filter Regulator NPT1/2, 5 um |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/2" (NPT 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 | Not fitted |
| 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. |
| N | No pressure gauge (N). |
| (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. |
| W | Filtering grade 5 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| T | NPT 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) |
Filter and regulate the shop-air feed to a CNC machine's pneumatic valves and clamps, with the 5 um element protecting fine pilot circuits and the check valve holding clamp pressure if the main supply drops.
Condition and set pressure for the air cylinders driving a packaging conveyor's diverters and pushers, keeping the line's operating pressure steady through the shift.
Feed regulated, finely filtered air to spray-equipment controls on a paint line, where the 5 um element helps keep moisture and particles out of sensitive pneumatic components.
Choose the size and port step against the air demand of the circuit: this unit is size 300 with a 1/2 in NPT port; larger sizes carry larger ports and more flow. Because published flow is given as curves rather than one rated figure, ask us to confirm the curve against your application before ordering. This configuration carries the 5 um element (the 40 um standard element is the alternative if finer filtration is not needed) and a manual drain, which suits installations where an operator can bleed the bowl routinely; automatic or differential-pressure drains are available if the unit will be left unattended. The built-in check valve holds downstream settings on air loss. No gauge is fitted, so add a gauge if you want a local pressure reading, and note the thread here is NPT while PT (standard) and G are the other orderable options. A mounting bracket is not included with this code.
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 rather than a single rated figure, so we do not quote one number. Send us your application's flow and pressure requirements and we will confirm the correct size from the datasheet curves on request.
The M in the code specifies a manual drain: condensate collected in the polycarbonate bowl is released by hand, which suits stations an operator visits routinely. If the unit will be left unattended, order the automatic (A) or differential-pressure (blank) drain variant instead; note the regulator adjustment range differs by drain type, with manual-drain units covering 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.