
The AirTAC Airtac PEB T-Shaped Straight Thread Tee Connector PEB803 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 PEB803 is an AirTAC PEB male branch tee, a one-touch fitting that splits a Dia 8 mm airline into a 90 degree branch ending in a 3/8in PT male stud. The two run-through ends are tube sockets, so the main line keeps flowing straight through while the branch taps off at right angles. Push the tube in and the stainless spring gasket and chuck grip it; press the POM release ring and the tube comes free.
This is the resin and brass profile, not the metal BPC line: working pressure 0-1.0 MPa, proof pressure 1.5 MPa, vacuum down to -750 mmHg, and a temperature window of -20 to +70 C for soft nylon or polyurethane tubing. The 3/8in male thread arrives with sealant already applied, and the body is grey PBT over a brass stud.
| Model | Airtac PEB T-Shaped Straight Thread Tee Connector PEB803 |
|---|---|
| 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. |
Tapping a regulated branch from the main line downstream of a filter-regulator-lubricator on a packaging machine, where the 3/8in port is already sized for the header.
Running the Dia 8 main along a conveyor frame and branching at 90 degrees to a kicker or pusher cylinder mounted across the belt line.
Supplying a chip-blow-off nozzle or air-assist circuit from a Dia 8 distribution line on a CNC cell, with the threaded stud sealing straight into the valve manifold.
On the 3/8in PT branch-thread ladder, PEB offers Dia 6, 8, 10 and 12. Stepping down to PEB603 suits a lighter branch circuit; stepping up to PEB1003 or PEB1203 carries the same thread into a heavier main. If the port is smaller, PEB802 gives you Dia 8 on a 1/4in thread; PEB804 covers a 1/2in port at the same tube size.
Match the PT thread to the port first, then confirm the tube outer diameter exactly - the Dia 8 sockets will not seal on 5/16in or 10 mm tube. Where the branch must pass through a panel instead of hanging on a port, the PMF bulkhead connector is the shape to reach for rather than this tee.
Quick checklist
It is a Dia 8 mm tube by 3/8in PT male thread branch tee. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, negative pressure -750 mmHg (10 Torr), and the operating temperature range is -20 to +70 C with soft nylon or polyurethane tubing. It is the resin and brass one-touch profile with a grey PBT body and brass stud.
No. AirTAC ships all threaded one-touch parts with sealant pre-applied to the male thread, so the PEB803 seals on assembly without extra tape. Screw it in hand-tight plus a firm turn, keep the PT thread dry-sealed, and never let sealant or tape debris enter the tube socket where it could hold the chuck open.
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