The AirTAC GFR600C20MJNTK AirTAC Filter Regulator 3/4 NPT Check Valve 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 See datasheet 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 GFR600C20MJNTK is a size 600 filter regulator: water and particulate filtration plus pressure regulation combined in a single body. This configuration carries a 3/4 in NPT port, a manual drain bowl in aluminium alloy (size 600 bowls are metal, not polycarbonate), a 40 um standard filter element, and a built-in reverse/check valve that holds downstream pressure when the upstream supply is lost. It is supplied without a pressure gauge and without a mounting bracket. Maximum inlet pressure is 1.0 MPa (145 psi), the standard regulator covers 0.05-0.9 MPa (7-130 psi) with manual drain, and the operating temperature range is -5 to 70 C (non-freezing). The medium is compressed air only.
This is a genuine AirTAC part. The GFR family spans sizes 200, 300, 400 and 600 with ports from 1/8 to 1 inch, and can be ordered with automatic or differential-pressure drains, a 5 um (W) element, a square or round gauge in MPa, psi or bar scales, G (BSPP) or NPT threads, and a mounting bracket. Flow is published as curves rather than a single rated figure, so we confirm the datasheet and sizing figures on request.
| Model | GFR600C20MJNTK AirTAC Filter Regulator 3/4 NPT Check Valve |
|---|---|
| Series | GFR600 filter regulator |
| Port size | See datasheet (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 | Differential-pressure drain |
| Bowl material | Aluminium alloy |
| Pressure gauge | Fitted — factory standard, Factory standard 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. |
|---|---|
| C2 | Port size See datasheet. 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). |
| (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. |
| (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. |
| (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 · See datasheet · 40 µm |
|---|---|
| One size down | GFR400 |
| Add lubrication | GFC600-C2 (two-unit set) |
Point-of-use preparation on a 3/4 in drop feeding a machining centre's air-operated clamps and tool-change circuit: the 40 um element keeps chips of scale and pipe debris out of the valves while the regulator holds a steady setting, and the check valve keeps the clamp circuit pressurised through brief supply dips.
Mounted at the take-off from a factory main feeding a packaging hall's case sealers and carton erectors: the single-body filter regulator conditions the branch in one fitting, the manual drain suits a header location an operator walks past each shift, and the 3/4 in NPT port matches the branch line.
Conditioning the air supply to a sortation conveyor's pneumatic divertors, stoppers and pop-up rollers: the regulator gives the line driver a fixed setting for consistent actuation, the filter catches compressor carryover before it reaches the directional valves, and the check valve prevents divertors sagging when the upstream supply is shut off.
Start with the port step: size 600 with a 3/4 in port sits at the top of the GFR range, so match it to your line size and let the flow curves - not a single rating - drive the choice; ask us to confirm sizing against your application before ordering. Choose the drain to suit access: manual (this unit) needs periodic bleeding, automatic suits unattended installations, and differential-pressure drains only while flow is running. Pick the element grade: 40 um standard for general air preparation, 5 um (code W) where finer particulate removal matters. Decide on a gauge and its scale (square embedded or round external; MPa, psi or bar), the thread (PT is the catalogue standard, with G/BSPP and NPT as order options such as this NPT version), and whether you want the mounting bracket or the check valve (code K, fitted here).
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 GFR flow as curves rather than a single rated figure, so there is no one rated-flow number we can honestly quote. Tell us your line pressure, set pressure and the air demand of the equipment downstream, and we will confirm the sizing against the datasheet curves on request before you order.
The M in the code specifies a manual drain: accumulated condensate is bled by hand, which suits locations an operator visits regularly; automatic (A) or differential-pressure (blank) drains are available if you prefer unattended operation. The N specifies that no pressure gauge is fitted - a square embedded or round external gauge in MPa, psi or bar scales can be ordered instead. The K in the code confirms a reverse/check valve is fitted, and J confirms no mounting bracket.
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.