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AirTAC BFR4000 · Filter Regulator (compact A/B line)

Airtac BFR Air Filter Regulator BFR4000L2WT

The AirTAC BFR Air Filter Regulator BFR4000L2WT is a genuine A/B-line filter regulator with PT1/2" ports. It is the compact air-preparation line, regulating 0.15 - 0.9 MPa (20 - 130 psi) with a push-to-lock knob. Flow is confirmed from the datasheet on request.

  • TypeFilter Regulator
  • Line / sizeB-line, 4000
  • Port sizePT1/2"
  • Regulating range0.15 - 0.9 MPa (20 - 130 psi)
  • Filter grade40 um / 5 um (W)
  • Max inlet pressure1.0 MPa (145 psi)
  • Temperature-5 to +70 C (non-freezing)
  • ThreadNPT
$42.80
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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 BFR Air Filter Regulator BFR4000L2WT

The BFR4000L2WT combines filtration and pressure regulation in one compact B-line body: it removes water and particulate from the compressed air and then regulates the downstream pressure. It does not lubricate the air. This configuration is the 1/2 in port size with NPT threads, the low-pressure type with regulation up to 0.4 MPa, a 5 um filter element (the finer W grade instead of the 40 um standard), a drain bowl with differential-pressure and manual draining, and a psi-scale gauge included so you can read the set pressure directly.

This is a genuine AirTAC part from the compact A/B line, not the larger G/GA range. The bowl is polycarbonate, the push-to-lock knob holds your pressure setting against drift, and the working limit is 1.0 MPa (145 psi) inlet. The compact range also covers 1/8, 1/4 and 3/8 in ports; PT is the standard thread and G or NPT to order. Flow is not published as a single rated figure, so we confirm datasheet flow and sizing figures on request.

Airtac BFR Air Filter Regulator BFR4000L2WT Technical Specifications

ModelAirtac BFR Air Filter Regulator BFR4000L2WT
TypeFilter Regulator
LineB-line (compact A/B air preparation)
Port sizePT1/2" (NPT thread)
Filter grade40 um standard, 5 um optional (W)
Regulating range0.15 - 0.9 MPa (20 - 130 psi) (low-pressure type to 0.4 MPa)
FluidCompressed air
Max. inlet pressure1.0 MPa (145 psi)
Temperature range-5 to +70 C (non-freezing)
Bowl materialPC (polycarbonate)
Pressure dropLow (catalogue-stated)

Specifications follow the official AirTAC A/B-line air-preparation data. Drain type, filter grade, gauge and low-pressure options are set by the model-code suffix - see the description. Flow curves, weight and outline dimensions are not published in our data set — ask us and we confirm from the factory datasheet.

How to choose

Pick the B-line 4000 body for 1/2 in piping when you need the larger compact body; the A-line covers the same port smaller, and 1/8, 1/4 and 3/8 in sizes fill the range. The L in the code makes this the low-pressure type, capped at 0.4 MPa - only choose it if your set pressure stays within that; otherwise use the standard type rated to 0.9 MPa. The W gives the 5 um element; keep the blank code for the 40 um standard grade. This unit drains by differential pressure with a manual option; the A variant adds an automatic drain. The trailing 2 means the gauge reads psi; other scales exist. Thread: this code is NPT; PT is standard and G is available.

Because flow is not published as one rated number, tell us your line conditions and we will confirm sizing against the datasheet before you order.

Applications

conveyor_belt

Conveyor gate and stopper cylinders

Filters and regulates the air feeding diverting gates and stoppers on a conveyor line, keeping water and fine dirt out of the cylinders while holding a gentle set pressure.

science

Laboratory test rig actuation

Supplies cleaned, low-pressure regulated air to the pneumatic actuators on a lab or pilot test rig, where the 5 um element and the 0.4 MPa low-pressure ceiling match the rig's needs.

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Electronics assembly pick-and-place

Conditions the air for vacuum ejectors and gripper cylinders on an electronics pick-and-place cell, protecting fine components from water and particulate carryover.

FAQ

How much air can the BFR4000L2WT flow?

AirTAC does not publish flow for this family as a single rated figure, so we cannot honestly quote one. Give us your inlet pressure, required set pressure and consumption, and we will confirm the flow and sizing figures from the datasheet on request before you order.

Why choose the L (low-pressure) version and the W filter grade?

The L makes this the low-pressure type: regulation is capped at 0.4 MPa, which suits circuits that must never see high pressure. The W selects the 5 um filter element instead of the 40 um standard, for finer particulate removal. If your set pressure can go to 0.9 MPa, order the standard type without L.