The AirTAC GFR30010JNT AirTAC Filter Regulator NPT 3/8 in 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 PT3/8" 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 AirTAC GFR30010JNT is a 300-size filter regulator that removes water and particulate from compressed air and holds downstream pressure in a single body. This configuration has a 3/8 in NPT port, the standard 40 um filter element, a differential-pressure drain that bleeds accumulated condensate automatically as flow passes through, and a standard regulator adjustable from 0.15 to 0.9 MPa (20-130 psi). The polycarbonate bowl lets you see the condensate level at a glance. No pressure gauge is fitted with this code, so add a separate gauge if you need a local pressure readout.
This is a genuine AirTAC part from the GFR filter-regulator family, which spans 200, 300, 400 and 600 sizes with port options from 1/8 in to 1 in and PT, G or NPT threads. Filter grade, drain type, gauge and bracket options can be selected by code. We confirm flow and datasheet figures on request, since catalogue flow is published as curves rather than a single rating.
| Model | GFR30010JNT AirTAC Filter Regulator NPT 3/8 in |
|---|---|
| Series | GFR300 filter regulator |
| Port size | PT3/8" (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 | Not fitted |
| 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. |
|---|---|
| 10 | Port size PT3/8". 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. |
| 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. |
| (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 · PT3/8" · 40 µm |
|---|---|
| One size down | GFR200 |
| One size up | GFR400 |
| Add lubrication | GFC300-10 (two-unit set) |
Feed clean, regulated air to tool-clamp and chip-clearing circuits on a machining center, with the 40 um element catching pipe scale and the differential-pressure drain shedding condensate during cutting cycles.
Regulate supply pressure to carton-forming and case-sealing cylinders on a packaging conveyor, keeping actuator speed consistent through a shift while the bowl collects moisture drawn from the plant ring main.
Condition the air feeding loom jet and doffing circuits in a textile mill, where steady regulated pressure protects delicate timing and the automatic differential-pressure drain copes with humid intake air.
Size the GFR300 family by the flow your line needs: step up through 200, 300, 400 and 600 as port size and air demand grow - this 300-size unit carries a 3/8 in port. Choose the drain to match access: differential-pressure (as here) drains with flow, automatic suits unattended duty, manual suits supervised points. Pick the 40 um standard element for general supply air or the 5 um (W) element for finer protection. Thread is NPT on this code; PT and G are catalogue alternatives. Bracket is not included with the J code, and no gauge is fitted with N codes.
Because catalogue flow is published as curves rather than a single rated figure, ask us to confirm sizing against your application before ordering.
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 filter-regulator flow as performance curves rather than a single rated number, so we do not quote a l/min or SCFM figure. Send us your inlet pressure and required downstream flow and we will confirm from the datasheet whether this 300-size, 3/8 in unit suits your application.
No. The N in GFR30010JNT means no gauge is fitted. The GFR family offers embedded square gauges and optional external round gauges with MPa, psi or bar scales, so choose a gauge-equipped code if you want a local readout of the regulated pressure.
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.