The AirTAC GFR60025C2WTK AirTAC Filter Regulator NPT1 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" 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 GFR600-25 is a filter regulator: it removes water and particulate from compressed air and holds downstream pressure steady in a single body. This 600-size unit is built around a 1 in NPT port, so it suits the main air line of a large installation rather than a point-of-use drop. The W in the code selects the 5 um filter element, one step finer than the 40 um standard element, for cleaner air to sensitive valves and instruments. Drainage is the differential-pressure type: the bowl drains itself whenever the pressure differential across the element is high enough, with no daily manual draining. Because this is size 600, the bowl is aluminium alloy. A round gauge reading in psi is fitted so the set pressure is visible, a reverse/check valve holds downstream pressure if the supply is interrupted, and the mounting bracket is included.
This is a genuine AirTAC part. The GFR filter-regulator family runs from size 200 to size 600 with ports from 1/8 in to 1 in, in PT (standard), G and NPT threads, with 40 um or 5 um elements, differential-pressure, automatic or manual drains, and square or round gauges in MPa, psi or bar scales. Flow for this series is published as curves rather than a single rated figure, so ask us and we will confirm the datasheet figures for your application on request.
| Model | GFR60025C2WTK AirTAC Filter Regulator NPT1 5 um |
|---|---|
| Series | GFR600 filter regulator |
| Port size | PT1" (NPT thread) |
| Filtering grade | 5 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 | Aluminium alloy |
| 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 0.15 - 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.
| GFR600 | G-series filter regulator, 600 body — sets the port range. |
|---|---|
| 25 | Port size PT1". This body offers 20 = PT3/4", 25 = PT1". |
| (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). |
| 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. |
| 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 | GFR600 · PT1" · 5 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-25 (two-unit set) |
On a structural steel or machine fabrication floor, this 1 in filter regulator sits at the head of the distribution manifold, conditioning the plant air and holding a steady header pressure for every work station downstream.
High-speed carton forming and case-sealing lines run dozens of air cylinders from one header. This unit filters that shared supply to 5 um and regulates it so grippers, pushers and flap folders all see the same set pressure.
Instrument air to transmitters, positioners and pneumatic control panels benefits from the 5 um element and a visible psi gauge, while the check valve keeps the panel pressurised during brief supply dips.
Start with the port step: this unit is 1 in NPT, so match it to a 1 in line and to the flow your system actually draws - if your demand sits on a smaller branch, a 300 or 400 size with a 1/2 in or 3/4 in port may be the better fit. On drainage, the differential-pressure drain fitted here needs no attention day to day; choose automatic if you want scheduled self-draining regardless of differential, or manual if an operator drains the bowls on a routine. On filtration, 40 um is the standard element and 5 um (this unit's W code) is the finer option for air going to precision valves, cylinders with soft seals or instrumentation. Gauge scale is a real choice: MPa, psi or bar - this unit ships with a round psi gauge. Thread is PT as the standard, with G (BSPP) and NPT as orderable options - this unit carries NPT. A bracket is included here; J-coded variants omit it. Flow for the GFR series is published as curves, not a single rating, so send us your air demand and we will confirm sizing against the datasheet before you order.
Quick checklist
The aluminium-alloy bowl on the GFR600 suits harsher environments than a PC bowl. 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 flow figure here. Tell us your line pressure, set pressure and air demand, and we will confirm the datasheet curve figures for this 1 in unit on request before you order.
The W in the code GFR60025C2WTK selects the 5 um element; the blank default is 40 um. Choose 5 um when the downstream air feeds precision valves, instrumentation or cylinders that tolerate less particulate, and 40 um for general plant air. The same 1 in NPT unit is available with either grade.
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.