
The AirTAC AirTAC GFR600-20 Filter Regulator (GFR60020JNWK) 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 PT3/4" 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 GFR60020JNWK is a G-series filter regulator: filtration and pressure regulation combined in one body. It uses the standard 40 um filter element and fits a reverse (check) valve (K), so the regulated downstream pressure is held if the upstream supply is interrupted. This configuration is the 600 size with a 3/4 in PT port, a differential-pressure drain in the aluminium alloy bowl, and no gauge. Max inlet pressure is 1.0 MPa (145 psi); working temperature is -5 to 70 C (non-freezing). The regulator adjustment range with a differential-pressure drain is 0.15-0.9 MPa (20-130 psi).
This is a genuine AirTAC part from the G series, which spans sizes 200, 300, 400 and 600 with port sizes from 1/8 in to 1 in, plus optional G (BSPP) or NPT threads, automatic or manual drains, a 5 um filter element (W) and gauge options. We confirm the datasheet and flow figures for this exact model on request.
| Model | AirTAC GFR600-20 Filter Regulator (GFR60020JNWK) |
|---|---|
| Series | GFR600 filter regulator |
| Port size | PT3/4" (PT 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 | Not fitted |
| 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. |
|---|---|
| 20 | Port size PT3/4". 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. |
| 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. |
| W | Filtering grade 5 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 · PT3/4" · 5 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-20 (two-unit set) |
Regulates supply to a bank of air-actuated process valves, with the check valve holding the regulated pressure so valves stay in position during a compressor trip.
Filters and regulates the 3/4 in plant-air take-off downstream of a rotary screw compressor, with the 40 um element catching pipe scale and the check valve preventing backflow.
Feeds filtered, regulated air to weld-gun clamping and purge circuits in a robotic welding cell, holding pressure through brief plant-air interruptions.
This is the same 600 size / 3/4 in PT filter regulator as the GFR60020JNK but with the standard 40 um element retained - pick the W variant if you need the 5 um grade instead. The K code fits the reverse (check) valve that holds downstream pressure on supply loss; drop the K if you do not need that. The differential-pressure drain suits a steady-duty line with infrequent drainage visits, while the M suffix gives a manual drain. The JN suffixes mean no bracket and no gauge; add the gauge variants for a pressure display. Thread is PT as standard, with G (BSPP) and NPT as catalogue options to order. 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. The reflux valve permits reverse flow through the unit. A filter regulator adds no oil to the line.
AirTAC publishes flow for the G series as characteristic curves rather than a single rated figure, so there is no single rated number to quote. Share your flow and pressure duty and we will confirm the datasheet figures for this exact model on request.
Function, size and port are identical - the difference is the filter grade. The JNK version carries the standard 40 um element, while the JNWK adds the W code for the finer 5 um element; both fit the reverse (check) valve. Choose based on how clean the downstream equipment needs the air to be.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business 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.