The AirTAC AirTAC GFR600-20G Filter Regulator G3/4 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 PT3/4" 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 GFR600-20G combines water and particulate filtration with pressure regulation in a single body. This size-600 unit has a G3/4 (BSPP) port, an automatic drain that removes condensate from the aluminium alloy bowl without manual attention, standard 40 um filtration, and a round external pressure gauge reading in psi. The regulator is the standard type with a 0.15-0.9 MPa (20-130 psi) setting range, maximum inlet pressure of 1.0 MPa (145 psi), and an operating temperature of -5 to 70 C, non-freezing.
This is a genuine AirTAC part. GFR filter regulators are available in sizes 200, 300, 400 and 600 with ports from 1/8 to 1 inch, a choice of PT, G or NPT thread, manual, automatic or differential-pressure drains, 40 um or 5 um (code W) filtration, and gauge options. Flow is published as curves rather than a single rated figure, so ask us to confirm sizing and datasheet details for your application before ordering.
| Model | AirTAC GFR600-20G Filter Regulator G3/4 Auto Drain |
|---|---|
| Series | GFR600 filter regulator |
| Port size | PT3/4" (G (BSPP) 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 — round, psi 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.
| GFR600 | G-series filter regulator, 600 body — sets the port range. |
|---|---|
| 20 | Port size PT3/4". 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. |
| J | Supplied without bracket. |
| (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. |
| (blank) | Filtering grade 40 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| G | G (BSPP) 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 | GFR600 · PT3/4" · 40 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-20 (two-unit set) |
Point-of-use conditioning at spray-booth drops: the 40 um element strips water and pipe scale from the shop air line while the regulator holds a steady setting for the booth's pneumatic equipment, and the automatic drain keeps the aluminium bowl clear between shift checks.
Supplying filtered, regulated air to a machining centre's clamps, tool-change circuit and air blasts. The G3/4 port suits the main drop feeding the cell, and the psi gauge lets setters verify the regulated line at a glance.
Conditioning the air feeding conveyor diverters, reject pushers and bagging actuators on a packaging line. The automatic drain protects the bowl in areas staffed only at start-up, and the regulator keeps actuator pressure consistent through the shift.
Size 600 with a G3/4 port is the largest step in the GFR range; choose 200, 300 or 400 where the port and flow demand are smaller. Drain choices are differential-pressure (the default), automatic (fitted here) or manual - automatic draining suits installations that are not checked daily. Filtration is 40 um standard; specify code W for 5 um where finer protection is needed. Gauge scales are MPa, psi or bar; this unit carries a round external gauge reading in psi. Thread is G (BSPP) - PT is the standard thread and NPT can be ordered as a catalogue option. No mounting bracket is fitted (code J). Flow is published as curves, not a single rating, so ask us to confirm sizing against your application before ordering.
Quick checklist
The aluminium-alloy bowl on the GFR600 suits harsher environments than a PC bowl. Without the K option, air cannot flow back 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 figure, so we do not quote a flow number here. Send us your application details and we will confirm the sizing and the full datasheet figures on request.
The A in the code GFR600-20G specifies an automatic drain, which discharges condensate from the bowl without manual attention. The catalogue also offers manual drains and the differential-pressure drain (the default when no drain letter appears), so you can order the drain type that matches how often the installation is checked.
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.