The AirTAC GFR30015F3T AirTAC Filter Regulator 1/2 in NPT, Square Gauge 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 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.
The GFR30015F3T is an AirTAC GFR300 filter regulator: it removes water and particulate from compressed air and holds downstream pressure at your setpoint, in one compact body. This configuration is threaded 1/2 in NPT, carries the standard 40 um filter element, discharges condensate by differential pressure, and includes the embedded square gauge scaled in bar. The polycarbonate bowl lets you see the condensate level at a glance, and a mounting bracket is included.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 to 1 in, a choice of differential-pressure, automatic or manual drain, a 5 um element option (code W), and MPa, psi or bar gauge scales. Maximum inlet pressure is 1.0 MPa (145 psi) and the operating temperature range is -5 to 70 C, non-freezing. Flow is published as curves rather than a single rating, so ask us to confirm the datasheet figures for your application.
| Model | GFR30015F3T AirTAC Filter Regulator 1/2 in NPT, Square Gauge |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT1/2" (NPT 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 — square, bar 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.
| 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". |
| (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). |
| F | Gauge shape: Square. C is round, F is square. |
| 3 | Gauge scale: bar. 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) |
Mounted at the air drop feeding a pneumatic press cylinder, this unit strips water and swarf from the shop supply and holds a steady setpoint so the press stroke stays consistent through the shift.
Installed ahead of the clamp and pusher cylinders on a packaging machine, it keeps condensed moisture and particles out of the valves while giving the line technician one gauge to set and check working pressure.
Fitted at an individual machine drop in a factory air ring main, it regulates pressure locally instead of at the compressor house, so each machine gets the pressure it needs without disturbing the rest of the line.
Step through sizes 200, 300, 400 and 600 to match your port and flow demand; this 300 size takes a 1/2 in NPT connection (PT is the standard thread, with G and NPT as orderable options). Choose the drain that fits your maintenance routine - differential pressure (this unit), automatic, or manual - and the 40 um standard element or the 5 um W option for finer protection. Gauge scale (MPa, psi or bar) and bracket options are decodable choices too. For this differential-pressure-drain unit the regulator setpoint range is 0.15-0.9 MPa (20-130 psi). Because flow is published as curves rather than one rated figure, send us your application and we will confirm sizing from the datasheet before you order.
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 G-series flow as curves, not as a single rated figure, so we do not quote a number here. Send us your flow demand and operating pressure and we will confirm from the datasheet whether this 1/2 in NPT, size 300 unit suits your application before you order.
This unit discharges collected condensate automatically as the pressure differential across the filter element builds to its threshold, so there is no drain valve for an operator to open on a schedule. If your maintenance routine suits a manual drain or a fully automatic drain instead, those are orderable variants of the same GFR300 family - ask us for the alternative model code.
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.