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AirTAC GR300 · Air Pressure Regulator

Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30010JN

The AirTAC B52-GR Copper-Free Air Source Treatment Unit B52-GR30010JN is a genuine G-series air pressure regulator. It holds a stable downstream pressure over the range 0.05 - 0.9 MPa (7 - 130 psi) with PT3/8" ports, ordered without a gauge. A regulator does not filter the air — put a GF filter upstream, or use a GFR filter regulator, when water and particulate must also be removed.

  • TypePressure regulator
  • Port sizePT3/8"
  • Regulating range0.05 - 0.9 MPa (7 - 130 psi)
  • Pressure typeStandard type
  • Pressure gaugeNot fitted
  • Reflux valveNot fitted
  • ThreadPT
  • BracketSupplied without bracket
$28.65 $33.05Save 13% 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.
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About the Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30010JN

The GR30010JN is an AirTAC G-series air pressure regulator: it reduces and holds a stable downstream pressure from your compressed air line. The JN configuration is the 300 size with a PT3/8 port, standard pressure type, supplied without a mounting bracket and without a gauge. It is a regulation-only unit - there is no filter bowl and no lubricator in this device, so pair it with a separate GF filter or a full F.R.L. set if your line needs conditioning.

This is a genuine AirTAC part. The G-series regulator is offered in 200, 300, 400 and 600 sizes with a choice of PT, G or NPT threads, bracket or no bracket, gauge or no gauge, and an optional check (reverse) valve. We confirm flow and datasheet figures for this exact model on request.

Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30010JN Technical Specifications

ModelAirtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30010JN
SeriesGR300 pressure regulator
Port sizePT3/8" (PT thread)
Regulating range0.05 - 0.9 MPa (7 - 130 psi)
Pressure typeStandard type
BracketSupplied without bracket
FluidCompressed air
Max. working pressure1.0 MPa (145 psi)
Temperature range-20 to +70 °C
Pressure gaugeNot fitted
Reflux valveNot fitted
MountingPanel mounting; optional fixing bracket

Specifications follow the official AirTAC G-series air-preparation data. Note the GR temperature range is -20 to +70 °C, wider than the other G-series units. A regulator has no bowl and no filter element, so there is no filtering grade. 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 B52-GR Copper-Free Air Source Treatment Unit B52-GR30010JN

GR300G-series pressure regulator, 300 body — sets the port range.
10Port size PT3/8". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2".
(blank)Standard type — 0.05 - 0.9 MPa (7 - 130 psi). Blank is standard, L is the low-pressure type.
JSupplied without bracket.
NNo 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.
(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, type, bracket, gauge, gauge shape, scale, thread, reflux — a blank position takes the default. Example: GR300-08LNK is a 300 body, PT1/4", low-pressure type, no gauge, with reflux valve.

Size Class

  • GR200PT1/8" - PT1/4"
  • GR300PT1/4" - PT1/2"
  • GR400PT3/8" - PT1/2"
  • GR600PT3/4" - 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 rather than from a single rated figure.

This modelGR300 · PT3/8" · 0.05 - 0.9 MPa (7 - 130 psi)
One size downGR200
One size upGR400
Line orderFilter first, then regulator, then lubricator

Where the Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30010JN Is Used

settings_input_component

Pneumatic panel pressure station

Drop a plant 3/8 in air header down to the stable working pressure feeding a machine's directional valves and cylinders, with the setting held steady through shift-long cycling.

conveyor_belt

Conveyor clamp and stopper circuit

Regulate the supply to conveyor-mounted pneumatic clamps, pushers and stoppers so indexing force stays consistent as the main line pressure wanders.

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Air tool supply drop

Set a fixed, repeatable pressure on the 3/8 in drop feeding assembly-line air tools and impact drivers, protecting both the tooling and the workpiece.

Is the Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30010JN the Right Regulator?

Choose the 300 size with its 3/8 port when your line sits between the 1/4 in and 1/2 in steps - the right way to pick is the port step that matches your piping and the flow your actuator or machine draws, since larger sizes move more air. This JN code is standard pressure type, set anywhere in the 0.05-0.9 MPa range, with no gauge and no bracket - if you want a pressure readout, order a gauge variant; if you need wall or panel fixing, take a code without the J. Thread is PT as standard, with G (BSPP) and NPT available as catalogue options.

Flow for the GR series is published as curves, not a single rated figure, so send us your application details and we will confirm sizing against the datasheet before you order.

Quick checklist

  • ✓ Body size for your peak flow (PT3/8" here)
  • ✓ Standard 0.9 MPa or low-pressure 0.4 MPa
  • ✓ Gauge fitted, or order N without
  • ✓ Gauge shape C round / F square
  • ✓ Scale MPa (1), psi (2) or bar (3)
  • ✓ Reflux valve needed, order K
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Installation & Maintenance Notes

  • check Install downstream of the filter, following the airflow arrow.
  • check Keep inlet pressure at or below 1.0 MPa (145 psi).
  • check Set pressure while air is flowing, then lock the knob.
  • check Adjust within 0.05 - 0.9 MPa (7 - 130 psi) only.
  • check Operating range -20 to +70 °C.
  • check Panel-mount or use the fixing bracket; do not hang it on tubing.

Without a reflux valve, air cannot flow back through the regulator — order the K option if reverse flow is required. A regulator does not remove water or particulate; that is the filter's job.

Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30010JN FAQ

AirTAC publishes regulator flow as curves rather than a single rated figure, so we do not quote one number here. Tell us your line size and the air your application consumes, and we will confirm the flow and the full datasheet for the GR30010JN on request.

J means the regulator comes without a mounting bracket - order a code without the J if you want the bracket included. N means no pressure gauge is fitted; gauge-equipped variants let you read the outlet setting. The unit is otherwise a standard GR300 with a PT3/8 port and a 0.05-0.9 MPa adjustment range.

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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.

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