
The AirTAC Airtac PEB T-Shaped Straight Thread Tee Connector PEB802D-S 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 PEB802D-S is an AirTAC PEB male branch tee, the fitting you use when one 1/4in PT port has to feed two Dia 8 mm lines at roughly 90 degrees to each other. The male stud screws into the port while both tube ends push straight in: the chuck inside each socket grips the tubing on insertion, and pressing the release ring frees it again without tools. The -S suffix puts a SUS304 stainless stud in place of the standard brass one, so the threads that sit in a damp or frequently washed port resist corrosion.
This is part of the resin one-touch family, so it is rated 0 to 1.0 MPa (0 to 10 kgf/cm2), handles -750 mmHg vacuum, and carries a proof pressure of 1.5 MPa over a temperature window of -20 to +70 C. The tee body is PBT with the black finish the D suffix signals, and the release button and chuck are POM. Note that the stainless is on the stud only, not the whole body. Threaded studs arrive with sealant already applied, so no extra tape or compound is needed on the 1/4in thread.
| Model | Airtac PEB T-Shaped Straight Thread Tee Connector PEB802D-S |
|---|---|
| Type | Male branch tee |
| Series | PEB |
| Connection | Push-in one-touch |
| Body material | Stainless steel 304 (-S variant) |
| 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. Stainless (-S): SUS304 in place of brass - a solid SUS304 body on the PC and POC straight connectors, and a PBT body with a SUS304 stud on the elbow, tee and branch shapes. Working pressure, proof pressure and temperature are unchanged from the standard version. 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. |
| -S | Stainless-steel body. |
Branching a caustic rinse feed off the main Dia 8 supply run to a spray bar on a filling-head rinse skid, where the stainless stud stands up to repeated wash-down.
Feeding a pair of Dia 8 gripper cylinders from one 1/4in PT port on a header at a wash-down section of a poultry processing conveyor.
Splitting the supply at a 1/4in PT port to run both the hatch cylinder and its position-sensing line on a boat deck, where salt air would corrode a plain brass stud.
On the PEB ladder at 1/4in PT, the neighbours either side of Dia 8 are PEB602 (Dia 6) and PEB1002 (Dia 10). Stepping down to 6 mm trims the bore and suits lighter-feeding runs to small actuators; stepping up to 10 mm opens the bore where a longer branch or a bigger cylinder needs less restriction. Capacity scales with the tube bore, not with any published flow figure. If you need a three-way join with all branches on tubing instead of a port thread, that is the PE union tee, not PEB.
Check two things before ordering. First, the tube must match exactly: this socket grips Dia 8 mm outside diameter only, and will not seal 1/4 inch (6.35 mm) tube or Dia 10. Second, the D in the code means a black body; order the plain PEB802-S if grey is wanted.
Quick checklist
Working pressure 0 to 1.0 MPa (0 to 10 kgf/cm2), proof pressure 1.5 MPa, vacuum to -750 mmHg (10 Torr), temperature -20 to +70 C. The fitting joins Dia 8 mm outside-diameter soft nylon or polyurethane tube to a 1/4in PT male thread, with a SUS304 stud and a black PBT body.
No, and the coincidence trips up many buyers. The 1/4in figure in the code is the PT thread only. The collet is cut for Dia 8 mm outside diameter, which is about 5/16 inch, so a 6.35 mm tube will not grip or seal. Use the correct nominal tube, or move to the PEB6 size if your run is genuinely 6 mm.
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