
The AirTAC Airtac PED T-Shaped Side Thread Tee Fitting PED803D is a genuine male run tee for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PED803D is an AirTAC PED male run tee from the resin one-touch range, joining Dia 8 mm soft nylon or polyurethane tube to a 3/8 PT male thread. Unlike a branch tee, the threaded port on a run tee sits in line with the through-run, so the two tube legs form a straight passage and the thread taps into that run rather than off a perpendicular leg. Push the tube home and the internal chuck grips it under system pressure; press the release ring to free it again.
This is the resin and brass profile, not the metal BP line: working pressure 0-1.0 MPa, vacuum to -750 mmHg, proof pressure 1.5 MPa and a temperature span of -20 to +70 C. The 3/8 thread follows the PT standard and arrives with sealant already applied at the factory. The D suffix means the body itself is moulded in black, a practical choice on machines where grey fittings disappear against stainless framework.
| Model | Airtac PED T-Shaped Side Thread Tee Fitting PED803D |
|---|---|
| Type | Male run tee |
| Series | PED |
| 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.
| PED | Male run 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. |
Tap the 3/8 PT port mid-run so a gauge or pressure switch reads circuit pressure where the flow actually passes, while the Dia 8 tube legs carry supply on to the press cylinder.
Run Dia 8 tube the length of the conveyor frame and use the in-line thread to feed an air knife or nozzle manifold without breaking the straight path to downstream stations.
Insert the run tee between two Dia 8 tube spans and use the black 3/8 threaded body to mount a solenoid or shuttle valve directly in the supply line.
On the PED ladder this Dia 8 size sits between PED603 (Dia 6 tube, same 3/8 thread) and PED1003 (Dia 10 tube). Stepping down to 6 mm suits lighter-feeding legs and a slimmer envelope; stepping up to 10 mm pays off when the same run also supplies a larger actuator and you want the bore, not the fitting, to be the only restriction. Tube OD must match exactly - a Dia 8 chuck will not seal on 1/4 inch tube, which measures about 6.35 mm and looks deceptively close.
Match the 3/8 PT thread to the port it enters; stepping it down with a bushing on a 1/4 port is a common cause of over-torqued, leaking joints. If the gauge or valve port hangs off the end of the line instead of the middle, a PLL extended male elbow or a PL male elbow is the better shape. If the port genuinely branches at 90 degrees to the flow, the AirTAC PEB branch tee is the correct counterpart to this run tee.
Quick checklist
Working pressure is 0-1.0 MPa (0-10 kgf/cm2), with vacuum capability to -750 mmHg (10 Torr). Proof pressure is 1.5 MPa and the permitted temperature range is -20 to +70 C. The fitting joins Dia 8 mm soft nylon or polyurethane tube to a 3/8 PT male thread, in a black body. AirTAC publishes flow for the PED range as a characteristic curve only, so capacity should be judged by the 8 mm bore rather than a quoted flow number.
No extra sealing is normally needed: AirTAC ships this threaded one-touch part with sealant already applied to the PT thread. Sealing gaskets are only used on the M5 sizes in this catalogue, which this 3/8 version is not. Fit the tube fully home until it seats, and confirm the release ring still moves freely before pressurising.
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