The AirTAC AirTAC GFR600-25 Filter Regulator 1 in PT, Auto 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" ports, a automatic 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 GFR600-25AF2K is a filter regulator: it removes water and particulate from compressed air and holds downstream pressure steady in one body. This size 600 unit is specified with a 1 in PT port, an automatic drain that expels collected condensate without manual attention, a 40 um standard filter element, an embedded square gauge reading in psi, and a reverse/check valve fitted. The aluminium alloy bowl is standard at this size. Maximum inlet pressure is 1.0 MPa (145 psi), the regulation range is 0.15-0.9 MPa (20-130 psi), and the working temperature range is -5 to 70 C (non-freezing).
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 in to 1 in, a choice of differential-pressure, automatic or manual drain, a 40 um standard or 5 um (W) filter element, square or round gauges with MPa, psi or bar scales, G or NPT thread options, and bracket choices. Flow is published as curves rather than a single rating, so ask us to confirm the datasheet figures for your application on request.
| Model | AirTAC GFR600-25 Filter Regulator 1 in PT, Auto Drain |
|---|---|
| Series | GFR600 filter regulator |
| Port size | PT1" (PT 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 | Automatic drain |
| Bowl material | Aluminium alloy |
| Pressure gauge | Fitted — square, 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". |
| A | Drain: Automatic 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. |
| 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. |
| (blank) | PT 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" · 40 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-25 (two-unit set) |
Feeding clean, pressure-stabilised air to the tool-change clamps and pneumatic actuators on a machining center, where the 1 in port serves a high-demand drop and the automatic drain keeps condensate out of the valves.
Conditioning the supply to filler and capper actuator headers on a bottling line, with the 40 um element and regulator protecting downstream cylinders from water carryover and pressure swings.
Mounted at the inlet of a pneumatic press control panel, where the square psi gauge gives operators a local setpoint readout and the check valve holds downstream pressure if the main supply dips.
Step up or down through the GFR sizes (200/300/400/600) and ports (1/8 in to 1 in) to match the flow your line needs - the 600 size with a 1 in port sits at the top of the range for high-consumption circuits. Choose the drain to suit access: automatic (this unit) for unattended duty, manual where you want controlled blowdown, or the differential-pressure default. Filter grade is 40 um standard; specify W for 5 um where finer particulate capture matters. Gauge scale is selectable (MPa, psi or bar) and this configuration carries the embedded square gauge in psi. Thread is PT as standard with G (BSPP) and NPT as order options; a bracket is included. Because flow is published as curves rather than a single rated figure, send us your application details 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 figure on the page. Tell us your application and we will confirm the flow and sizing against the datasheet on request before you order.
The A in the code specifies an automatic drain, which expels collected condensate from the aluminium bowl without anyone opening it - useful for drops that are hard to reach or run unattended. Manual and differential-pressure drain versions are available in the same size if you prefer controlled or default drainage.
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.