
The AirTAC Airtac PY Y-Type Tee Connector PY10 is a genuine union y for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
The PY10 is an AirTAC PY union Y, a tube-to-tube one-touch fitting that joins three Dia 10 mm legs in a Y shape: one incoming line splits into two outgoing branches, or two lines merge into one. There is no threaded port, so the whole connection lives in tubing. Push each soft nylon or polyurethane tube into its socket and the stainless spring gasket and chuck jaws grip the tube wall; press the release ring and the tube slides straight back out.
This is a resin-profile part, rated 0-1.0 MPa working pressure (0-10 kgf/cm2), 1.5 MPa proof pressure, -750 mmHg (10 Torr) vacuum, and -20 to +70 C. The release button and chuck are POM, the guide is aluminium alloy, the O-ring is NBR and the body is PBT, in standard grey (order PY10D for the black version). The 10 mm bore is the largest tube size AirTAC makes for this family, so it is the natural pick where a bigger cylinder or a long run needs more carry than an 8 mm line can comfortably give.
| Model | Airtac PY Y-Type Tee Connector PY10 |
|---|---|
| Type | Union Y |
| Series | PY |
| 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.
| PY | Union 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. |
A single Dia 10 drop from the valve manifold on a robotic pick-and-place cell splits at the end of the arm to feed two parallel pneumatic grippers, with the Y's angled legs following the contour of the end-effector bracket.
On a tray-sealing packaging machine, one vacuum line drawn from the ejector divides to serve two suction cup pairs, working comfortably inside the fitting's -750 mmHg (10 Torr) negative pressure rating.
A Dia 10 feed on a conveyor air-blast station branches to two small air knife nozzles that dry bottles as they leave the rinser, both legs pushed in and running without any threaded joints to seal.
Your neighbours on the PY ladder are PY8 one step down and PY12 one step up. Stepping to PY8 trims the bore and cost but throttles longer or hungrier branches; PY12 is the ceiling of the range, used only where a Dia 12 main really feeds two heavy branches. Note that no Dia 14 or 16 exists anywhere in this catalogue - 12 mm is as big as it gets. Whatever you choose, tube OD must match exactly: a Dia 10 Y will not seal or hold 3/8 in or 12 mm tube.
Pick this Y instead of a PE union tee when the branch should ease off at roughly 45 degrees each side rather than one sharp 90 degree leg - gentler direction changes on a suction or long feed line, and two angled legs often thread past guards where a perpendicular tee will not. If one leg is threaded instead of plain tube, you need PYB, not PY.
Quick checklist
AirTAC PY10 union Y for Dia 10 mm tube on all three legs, no threaded port. Resin one-touch profile: working pressure 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, negative pressure -750 mmHg (10 Torr), temperature -20 to +70 C, for soft nylon or polyurethane tubing. Tube OD must be exactly 10 mm on every leg.
Yes on both counts. The rating covers negative pressure down to -750 mmHg (10 Torr), so suction and ejector circuits are within spec. To release a tube, press the release ring squarely toward the body while pulling the tube out; it can then be reconnected. AirTAC publishes no cycle count for reconnections, so treat repeated re-crimping of the same tube end as a maintenance item and trim a fresh end when in doubt.
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