The AirTAC GFR20008F3WTK AirTAC Filter Regulator NPT1/4 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 PT1/4" 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 GFR20008F3WTK is an AirTAC GFR200 filter regulator: water and particulate filtration plus downstream pressure regulation in one compact body. This configuration has a 1/4 in NPT port, a 5 um filter element (code W, finer than the 40 um standard), a differential-pressure drain that bleeds collected condensate automatically whenever the pressure differential across the element rises, an embedded square gauge reading in bar, and a built-in reverse/check valve that holds downstream pressure if the upstream supply is lost. The pressure setting is adjusted across 0.15-0.9 MPa (20-130 psi). Maximum inlet pressure is 1.0 MPa (145 psi) and the operating temperature range is -5 to 70 C (non-freezing); the bowl on this size is polycarbonate (PC), and a mounting bracket is included.
This is a genuine AirTAC part from the G-series GFR line, which spans sizes 200, 300, 400 and 600 with port options from 1/8 in to 1 in, drain choices (differential-pressure, automatic or manual), 40 um or 5 um filtration, gauge scale options, and PT, G or NPT threads. Published flow data for this series is given as curves rather than a single rated figure, so ask us and we will confirm the datasheet figures for your application on request.
| Model | GFR20008F3WTK AirTAC Filter Regulator NPT1/4 |
|---|---|
| Series | GFR200 filter regulator |
| Port size | PT1/4" (NPT 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 | PC |
| Pressure gauge | Fitted — square, bar 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.
| GFR200 | G-series filter regulator, 200 body — sets the port range. |
|---|---|
| 08 | Port size PT1/4". This body offers 06 = PT1/8", 08 = PT1/4". |
| (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). |
| F | Gauge shape: Square. C is round, F is square. |
| 3 | Gauge scale: bar. 1 is MPa, 2 is psi, 3 is bar. |
| W | Filtering grade 5 µm. Only 40 µm (blank) and 5 µm (W) exist. |
| T | NPT 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 | GFR200 · PT1/4" · 5 µm |
|---|---|
| One size up | GFR300 |
| Add lubrication | GFC200-08 (two-unit set) |
Feeding filtered, regulated air to the tool-change clamps and air bearings of a CNC cell, where the 5 um element protects fine pilot valves from particulate carryover.
Supplying the pneumatic diverters, pushers and bag-seal cylinders on a packaging conveyor, with the check valve holding cylinder position during brief plant-air dips.
Regulating clean air to analytical-instrument actuation and bench-top test rigs, where the bar-scale square gauge gives a direct local setpoint reading.
Start with the port and size step: this unit is size 200 with a 1/4 in NPT port, the smallest GFR frame; step up to GFR300/400/600 if your line needs larger ports and higher flow capacity. The 5 um element (W) suits instruments, valves and actuators that need cleaner air than the 40 um standard element provides. The differential-pressure drain is the set-and-forget choice; choose automatic (A) or manual (M) drain codes if your maintenance routine calls for them. The square gauge here reads in bar; MPa and psi scales are also available, and an external round gauge is an option. The K code adds a reverse/check valve, useful where downstream pressure must be held. PT is the standard thread for the series, with G and NPT as orderable options - this unit is specified with NPT. A mounting bracket is included. Flow for this series is published as curves, not a single rating, so send us your flow and pressure requirements and we will confirm sizing against the datasheet before you order.
Quick checklist
The PC bowl must not be cleaned with solvents — wipe it with a dry cloth. 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 rather than a single rated figure, so we do not quote one number. Tell us your working pressure and required flow and we will confirm the datasheet curve figures for the GFR200 size on request before you order.
W is the 5 um filter element, finer than the 40 um standard element. K means a reverse/check valve is fitted, holding downstream pressure if the supply drops. This unit has the differential-pressure drain: condensate collected in the PC bowl is bled off automatically as the pressure differential across the element rises, with no manual draining needed.
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.