The AirTAC GFR600-20MLF2T AirTAC Filter Regulator NPT3/4 Low-Pressure 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 manual drain and regulates 0.05 - 0.9 MPa (7 - 130 psi). It does not lubricate — add a GL lubricator, or order the GFC two-unit set, if downstream equipment needs oil.
The GFR600-20MLF2T is an AirTAC GFR600 filter regulator: one body that removes water and particulate from compressed air and regulates downstream pressure. This configuration is the 600 size with a 3/4 in NPT thread, manual drain, standard 40 um filter element, low-pressure regulator type, and an embedded square gauge reading in psi. The bowl on this size is aluminium alloy, a mounting bracket is included, maximum inlet pressure is 1.0 MPa (145 psi), and the operating 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 to 1 in, drain choices (manual, automatic or differential-pressure), an optional 5 um element (code W), and gauge scales in MPa, psi or bar. Flow is published as curves rather than a single rating, so we confirm sizing and datasheet figures on request.
| Model | GFR600-20MLF2T AirTAC Filter Regulator NPT3/4 Low-Pressure |
|---|---|
| Series | GFR600 filter regulator |
| Port size | PT3/4" (NPT thread) |
| Filtering grade | 40 µm |
| Regulating range | 0.05 - 0.9 MPa (7 - 130 psi) |
| Pressure type | Low-pressure 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 | Manual drain |
| Bowl material | Aluminium alloy |
| Pressure gauge | Fitted — square, 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. The low-pressure type adjusts over a lower band than standard; we confirm the exact figures from the factory datasheet. 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". |
| M | Drain: Manual drain — this also sets the regulating band (0.05 - 0.9 MPa (7 - 130 psi)). |
| L | Low-pressure 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. |
| 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 | GFR600 · PT3/4" · 40 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-20 (two-unit set) |
Filtered, regulated air to clamping fixtures on a machining cell where the process calls for a lower setpoint than a standard regulator type delivers, with the psi gauge giving a local readout.
A 3/4 in supply point feeding actuators and cylinders along a packaging conveyor, with the manual drain emptied during scheduled changeovers.
A filtered, regulated drop at an assembly bench where operators check the square psi gauge before connecting tooling or fixtures to the line.
Choose the 600 size when your piping and air demand call for a 3/4 in connection; the 200-400 sizes step down in port. Manual drain means an operator opens the drain at intervals - select automatic or differential-pressure drain if the installation runs unattended. The standard element is 40 um; specify W for 5 um where downstream equipment needs finer filtration. This unit is the low-pressure regulator type, so confirm its adjustment range against your setpoint before ordering. Thread here is NPT; PT is the standard and G (BSPP) is also an order option. Flow is published as curves, not a single rating - ask us to confirm sizing against your application before you order.
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.
Flow for the GFR600 series is published as curves rather than a single rated figure, so we do not quote a number here. Send us your application's air demand and we will confirm sizing from the AirTAC datasheet on request.
M is the manual drain: an operator opens the drain valve to expel collected water and contaminants. If the unit will run unattended, ask about the automatic or differential-pressure drain variants of the same GFR600 size.
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.