
The AirTAC Airtac PEB T-Shaped Straight Thread Tee Connector PEB4M5D is a genuine male branch tee for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PEB4M5D is an AirTAC PEB male branch tee, the smallest M5 size in the range. It mates Dia 4 mm soft nylon or polyurethane tubing with an M5x0.8 male thread, and adds a 90-degree branch so a drop line can be taken off a straight run without adding a separate union. The D suffix makes the fitting body black - on PEB this changes the body colour, not just the release button as on PC.
One-touch action: push the tube into the chuck and the stainless spring gasket and NBR O-ring grip and seal it; press the POM release ring and the tube comes free. This resin-profile fitting is rated 0-1.0 MPa working pressure, -750 mmHg vacuum, 1.5 MPa proof pressure and -20 to +70 C. Construction is POM button and chuck, aluminium-alloy guide, stainless spring gasket, NBR O-ring and a brass stud.
| Model | Airtac PEB T-Shaped Straight Thread Tee Connector PEB4M5D |
|---|---|
| Type | Male branch tee |
| Series | PEB |
| Connection | Push-in one-touch |
| 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.
| PEB | Male branch tee. |
|---|---|
| 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. |
Electronics assembly heads use M5 ports on compact grippers and mini slides; the branch tee lets one M5 feed serve both a supply drop and a pressure-tap line on a 4 mm tube run.
Branch a 4 mm pilot line off a main drop to feed a small solenoid valve or pressure switch, screwing the M5 stud straight into the valve port without extra adapters.
Benchtop fluid and air manifolds on analytical instruments use 4 mm PU tube and M5 ports; the tee adds a sampling or purge branch mid-run without disturbing the main line.
Dia 4 is the floor of the PEB M5 ladder - only PEB6M5 sits above it, for Dia 6 tube where a little more bore helps short feed lines to small actuators. If you can step the port up, PEB4-01 keeps the Dia 4 tube but moves to a 1/8 PT thread, which carries the Dia 4 to Dia 10 range. A plain PE union tee is the right choice when the branch has no thread at all.
Tube OD must match exactly: this tee grips 4 mm tube and will not seal or hold 1/4 in (6.35 mm) tube. Match the M5 thread to instrument-style ports on mini cylinders, grippers and sensors; larger PT ports need a 01, 02 or 03 code instead.
Quick checklist
It is a male branch tee for Dia 4 mm tube with an M5x0.8 male thread (PT sealing standard). Working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure -750 mmHg (10 Torr), proof pressure 1.5 MPa, operating temperature -20 to +70 C. Tubing is soft nylon or polyurethane, standard colour black (D suffix).
No. AirTAC ships threaded PEB fittings with sealant pre-applied on the PT threads, but the M5 size is sealed with a gasket instead, so the PEB4M5D screws into an M5x0.8 port without tape. Keep the gasket seat clean and do not overtighten the brass stud into an aluminium or plastic port.
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