
The AirTAC Airtac PL L Connector PL4M5-M is a genuine male elbow for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PL4M5-M is a mini-series male elbow from AirTAC's PL family: a one-touch fitting that turns a Dia 4 mm tube through 90 degrees onto an M5x0.8 male thread. Push the soft nylon or polyurethane tube into the chuck and the stainless spring gasket grips it for a sealed joint; press the POM release ring and the tube frees off again. As a -M mini part, it is one of only two families (PC and PL) that AirTAC builds in the compact format.
This part runs on the resin/brass spec profile: 0 to 1.0 MPa (0-10 kgf/cm2) working pressure, 1.5 MPa proof pressure, -750 mmHg (10 Torr) vacuum and -20 to +70 C. The elbow body is PBT with a brass stud, and because the thread is M5 it arrives with a sealing gasket instead of pre-applied thread sealant, so it seats straight into a tapped M5 port with no tape.
| Model | Airtac PL L Connector PL4M5-M |
|---|---|
| Type | Male elbow |
| Series | PL |
| Connection | Push-in one-touch |
| Size class | Mini series (-M) |
| Working pressure | 0 - 1.0 MPa (0 - 10 kgf/cm2) |
|---|---|
| Negative pressure | -750 mmHg (10 Torr) |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Applicable tubing | Soft nylon or polyurethane tube |
| Thread standard | PT (Rc tapered) unless the code says otherwise |
POM release button and chuck, aluminium-alloy guide, stainless spring gasket, NBR O-ring; body brass or PBT depending on the part. AirTAC publishes flow as a characteristic curve rather than a single figure, so no L/min value is listed.
| PL | Male elbow. |
|---|---|
| 4 / 6 / 8 / 10 / 12 | Tube outside diameter in mm (3.2 mm exists on the mini series). |
| M5 / 01 / 02 / 03 / 04 | Thread: M5x0.8, 1/8", 1/4", 3/8", 1/2" (M3 on the mini series). |
| D | Black. Blank = grey. |
| -M | Mini series. |
A 90-degree turn into the M5 port of a small pneumatic gripper keeps the air line inside the silhouette of the end effector, where a straight connector would foul the part or the guard.
Dia 4 tubing routed around a cramped instrument deck meets the M5 manifold port cleanly with the gasket-sealed elbow, and the 10 Torr vacuum rating covers the suction side of the pump circuit.
The blow-off pulse at the label applicator edge is fed by a short Dia 4 drop, and the elbow lets the tube exit downward into the cable channel instead of sideways across the conveyor.
Dia 4 is the smallest tube in this ladder, so there is no size below it. The only step up on the M5 thread is Dia 6 (PL6M5-M): the larger bore carries noticeably more air to the actuator, which matters if the run is long or the cylinder cycles fast. If your port is 1/8 in PT rather than M5, the equivalent Dia 4 part is PL401, which uses pre-applied sealant instead of a gasket. Whichever way you go, the tube OD must match the fitting exactly - a Dia 6 elbow will not seal on 4 mm tube. If you need to pass this line through a panel wall at 90 degrees, the bulkhead male elbow PLM in Dia 4 (M12x1 locknut thread) is the purpose-built alternative.
Quick checklist
It is a mini-series PL male elbow joining a Dia 4 mm tube to an M5x0.8 male thread (PT standard). Working pressure is 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, negative pressure -750 mmHg (10 Torr) and temperature range -20 to +70 C. It is rated for soft nylon or polyurethane tube; the M5 thread is sealed by a gasket, not sealant.
No tape is needed on the M5x0.8 stud - it is fitted with a sealing gasket, and tape can actually prevent the gasket from seating. On the tube side, the chuck grips Dia 4 mm only: a fitting sized for 6 mm tube will not hold 4 mm tube, so always match the tube OD to the code exactly.
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