
The AirTAC Airtac PYB Y-Type Threaded Tee Fitting PYB602 is a genuine branch y for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The AirTAC PYB602 is a PYB branch Y one-touch fitting: a single 1/4in PT male thread feeding two Dia 6 mm tube ports set at a Y angle. It is the shape to reach for when one valve outlet has to serve two lines without a separate tee and extra hex joints.
Push each soft nylon or PU tube into its port and the internal chuck grips it for a pressure-tight hold; press the release ring to free it. This is the resin/brass profile: 0-1.0 MPa working pressure, -750 mmHg vacuum, 1.5 MPa proof pressure and -20 to +70 C. The PBT threaded body carries factory-applied sealant on the 1/4in thread, and the POM release button and NBR O-ring do the sealing at the tube.
| Model | Airtac PYB Y-Type Threaded Tee Fitting PYB602 |
|---|---|
| Type | Branch Y |
| Series | PYB |
| 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.
| PYB | Branch Y. |
|---|---|
| 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. |
One 1/4in valve outlet on a carton-closing machine splits through the PYB602 into two Dia 6 lines feeding a pair of small gripper cylinders that fire together.
On a benchtop pipette or plate-handling module, the Y divides a single regulated supply into two Dia 6 branches serving an actuator and a small air jet.
A 1/4in port on the manifold of a bottling conveyor feeds the PYB602, branching Dia 6 tube to two angled nozzles that clear caps or label debris.
On the PYB ladder this Dia 6 version sits between PYB402 (Dia 4 tubes, 1/4in thread) and PYB802 (Dia 8 tubes, 1/4in thread). Stepping down to Dia 4 suits light pilot lines and small actuators; stepping up to Dia 8 drops restriction on runs feeding bigger cylinders. Both tube ports on any one PYB are the same size, so the whole Y changes with the code, not just one leg.
Match the 1/4in PT thread to the port before anything else - a spare manifold outlet tapped 1/4in takes this fitting directly. Remember the tube rule: tube OD must match exactly, so 1/4in (6.35 mm) imperial tube will not seat in a Dia 6 port.
Quick checklist
It is a PYB branch Y one-touch fitting with two Dia 6 mm tube ports and a 1/4in PT male thread. 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. Use soft nylon or polyurethane tubing. Body is PBT with a brass stud; release button and chuck are POM, the O-ring is NBR. The thread arrives with sealant applied.
No. Both tube ports on a PYB602 are Dia 6 mm; the Y is symmetrical, and there is no mixed-size version in the branch Y range. If your two lines run different tube ODs, take Dia 6 out of this fitting and step one leg down at the actuator with a PG reducer such as PG6-4, which keeps each connection a proper push-in joint.
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