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AirTAC GFR600 · Filter Regulator (filter + regulator in one body)

AirTAC GFR600-20 Filter Regulator (GFR60020AC1WK)

The AirTAC AirTAC GFR600-20 Filter Regulator (GFR60020AC1WK) 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 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.

  • TypeFilter regulator
  • Port sizePT3/4"
  • Regulating range0.15 - 0.9 MPa (20 - 130 psi)
  • Filtering grade5 µm
  • DrainAutomatic drain
  • Bowl materialAluminium alloy
  • Pressure gaugeFitted
  • ThreadPT
$129.90 $136.81Save 5% Standard model — ready in 3-5 business days to process and dispatch
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  • No minimum order. A single piece can be ordered.
  • Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
Compare every GFR600-20 drain, gauge and thread option on one page All GFR600-20 codes →
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About the AirTAC GFR600-20 Filter Regulator (GFR60020AC1WK)

The GFR series combines filtration and pressure regulation in a single AirTAC body: air passes the drain bowl and filter element first, then the regulating valve, so one 3/4 in PT ported unit does both jobs. This 600-size configuration adds a reverse (check) valve at the K code, an automatic drain that removes condensate without manual attention, a 5 um element for finer filtration than the standard 40 um grade, and an external round gauge scaled in MPa. The 600-size bowl is aluminium alloy, maximum working pressure is 1.0 MPa (145 psi), and the regulator adjusts over 0.15-0.9 MPa (20-130 psi) with this drain type.

This is a genuine AirTAC part. GFR filter regulators run from the 200 through 600 sizes with 1/8 in to 1 in ports; drain, element grade, gauge style and scale, thread (PT standard; G and NPT to order) and the check valve are all orderable options, and a mounting bracket is included. Flow is published as curves rather than a single rating, so we confirm the datasheet and sizing figures for your application on request.

AirTAC GFR600-20 Filter Regulator (GFR60020AC1WK) Technical Specifications

ModelAirTAC GFR600-20 Filter Regulator (GFR60020AC1WK)
SeriesGFR600 filter regulator
Port sizePT3/4" (PT thread)
Filtering grade5 µm
Regulating range0.15 - 0.9 MPa (20 - 130 psi)
Pressure typeStandard type
Adjusting mechanismBalanced type
FluidCompressed air
Max. working pressure1.0 MPa (145 psi)
Temperature range-5 to +70 °C (unfreeze)
Drain typeAutomatic drain
Bowl materialAluminium alloy
Pressure gaugeFitted — round, MPa scale
Reflux valveFitted (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.

Model Code: AirTAC GFR600-20 Filter Regulator (GFR60020AC1WK)

GFR600G-series filter regulator, 600 body — sets the port range.
20Port size PT3/4". This body offers 20 = PT3/4", 25 = PT1".
ADrain: 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.
(blank)Mounting bracket included.
(blank)Pressure gauge fitted (blank).
CGauge shape: Round. C is round, F is square.
1Gauge scale: MPa. 1 is MPa, 2 is psi, 3 is bar.
WFiltering 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.
KReverse-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.

Size Class

  • GFR200PT1/8" - PT1/4"
  • GFR300PT1/4" - PT1/2"
  • GFR400PT3/8" - PT1/2"
  • GFR600PT3/4" - PT1"

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 modelGFR600 · PT3/4" · 5 µm
One size downGFR400
Add lubricationGFC600-20 (two-unit set)

Where the AirTAC GFR600-20 Filter Regulator (GFR60020AC1WK) Is Used

precision_manufacturing

CNC fixture clamping supply

Regulates the 3/4 in air feed to the clamping manifold on a machining-cell fixture, where the check valve helps the circuit behave predictably between cycles and the 5 um element safeguards the clamping valves.

view_module

Packaging machine multi-drop feed

Prepares air for the sealing, tucking and discharge stations of a cartoning machine, supplying several actuator groups from one regulated 3/4 in point with automatic condensate removal at the header.

engineering

Textile machine actuator supply

Feeds the doffer and sliver-handling cylinders on a spinning line, holding a steady regulated pressure from a 3/4 in ring main with fine filtration ahead of sensitive control valves.

Is the AirTAC GFR600-20 Filter Regulator (GFR60020AC1WK) the Right Unit?

Choose the 600 frame for 3/4 in ported circuits feeding multiple valves from one point; 200/300/400 units step down to 1/8-1/2 in. The K code here fits a reverse/check valve, useful where you want to hold upstream conditions against backflow in the regulated line. Drain options are differential-pressure, automatic (fitted here) or manual, with the regulation window following the drain: 0.15-0.9 MPa for automatic and differential drains, 0.05-0.9 MPa with manual. Element grade is 40 um standard or 5 um with W (fitted here). The round gauge reads MPa; bar and psi scales, or the embedded square gauge, are alternatives. Thread is PT standard with G (BSPP) and NPT to order. Flow is published as curves, not a single rating, so ask us to confirm sizing before ordering.

Quick checklist

  • ✓ Body size for your peak flow (PT3/4" here)
  • ✓ Element 40 µm or 5 µm
  • ✓ Drain sets the regulating band
  • ✓ Gauge fitted, shape and scale
  • ✓ Thread PT, G (BSPP) or NPT
  • ✓ Oil needed downstream? Use GFC instead
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Installation & Maintenance Notes

  • check Mount vertically, bowl down, following the airflow arrow.
  • check One body does the filtering and the regulating — no separate regulator needed.
  • check Keep inlet pressure at or below 1.0 MPa (145 psi).
  • check Adjust only within 0.15 - 0.9 MPa (20 - 130 psi).
  • check Drain condensate before the bowl fills.
  • check Keep the unit above freezing (-5 to +70 °C, unfreeze).

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 GFR600-20 Filter Regulator (GFR60020AC1WK) FAQ

Yes - on request. AirTAC publishes G-series flow as curves rather than a single rated number, so no one figure appears on this page. Share your line pressure, downstream demand and allowable pressure drop, and we will confirm the flow data from the datasheet and check the 600-size selection against your application.

K specifies that a reverse (check) valve is fitted in this filter regulator, in addition to the automatic drain, 5 um element and round MPa gauge decoded from the rest of the code. The same 600-size unit is available without the check valve by ordering the code without the K.

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