The AirTAC BL Air Lubricator BL4000 is a genuine A/B-line lubricator with PT1/2" ports. It is the compact air-preparation line and oil-mist lubrication with a transparent sight dome. Flow is confirmed from the datasheet on request.
The BL4000 is an AirTAC compact B-line air lubricator for 1/2 in (PT) ports, the largest port in the compact series. It adds a fine oil mist to the compressed air line so downstream cylinders, valves and high-consumption air tools stay lubricated. The polycarbonate bowl carries a high-strength plastic protective cover, a B-line safety trait, and the transparent sight dome lets you watch and set the oil drip rate. Working pressure runs from 0.05 MPa up to 1.0 MPa (145 psi) at -5 to 70 C, non-freezing.
This is a genuine AirTAC part from the compact A/B series, not the larger G/GA line. The same lubricator function is available in 1/8 in (1500), 1/4 in (2000), 3/8 in (3000) and 1/2 in (4000) sizes. The BL4000 only lubricates: it does not filter water or particulate and does not regulate pressure. Rated flow is not published as a single figure, so we confirm the datasheet values for you on request.
| Model | Airtac BL Air Lubricator BL4000 |
|---|---|
| Type | Air Lubricator |
| Line | B-line (compact A/B air preparation) |
| Port size | PT1/2" (PT thread) |
| Fluid | Compressed air |
|---|---|
| Max. inlet pressure | 1.0 MPa (145 psi) |
| Temperature range | -5 to +70 C (non-freezing) |
| Bowl material | PC (polycarbonate) |
| Lubrication | Oil-mist, transparent sight dome |
| Pressure drop | Low (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.
Choose the 1/2 in BL4000 when your main line is half-inch and air demand is the heaviest in the compact range; step down to the BL3000 (3/8 in) or BL2000 (1/4 in) for lighter circuits. PT is the standard port thread, with G (BSPP) and NPT versions orderable by adding the corresponding suffix. Because this unit has no bowl drain, no filter element and no setting knob, pair it with an AF/BF filter and an AR/BR regulator where those jobs are needed, or use the BFC two-unit set that pairs a filter regulator with this lubricator. Flow is not a single rated figure, so ask us to confirm sizing from the datasheet before ordering.
Lubricates the air supply to palletizer gripper and pusher cylinders at the end of a case line, where half-inch piping carries the main demand.
Mists oil into the half-inch manifold feeding nailers, sanders and other air tools across a woodworking shop, one lubricator serving many drops.
Keeps clamp cylinders on an injection mold change station lubricated, protecting seals in a circuit cycled many times per shift.
Flow for AirTAC compact lubricators is not published as a single rated figure, so we do not quote a number here. Tell us your line pressure and air demand and we will confirm whether the 1/2 in BL4000 or a smaller 3000/2000 body is the right choice, with datasheet figures on request.
No. In the AirTAC compact family, the BL prefix means lubricator only. For water and particulate removal use an AF/BF filter, for pressure control use an AR/BR regulator, or specify the BFC two-unit set, which pairs a filter regulator with a lubricator.