Airtac PYB Y-Type Threaded Tee Fitting PYB804
The AirTAC Airtac PYB Y-Type Threaded Tee Fitting PYB804 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.
- TypeBranch Y
- SeriesPYB
- Working pressure0 - 1.0 MPa (0 - 10 kgf/cm2)
- Proof pressure1.5 MPa
- Temperature-20 to +70 °C
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac PYB Y-Type Threaded Tee Fitting PYB804
The PYB804 is an AirTAC PYB branch Y, a threaded one-touch fitting whose male 1/2in PT stud feeds two Dia 8 mm tube branches angled apart like a letter Y. Push each soft nylon or PU tube straight into its port and the internal stainless spring gasket and chuck grip it against the POM seal; press the release ring and the tube slides free, so rewiring a branch takes seconds without tools.
This is AirTAC's resin-and-brass one-touch profile: working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum to -750 mmHg, proof pressure 1.5 MPa, and a service range of -20 to +70 C. The body is PBT with a brass stud, and the 1/2in thread arrives with sealant already applied, so it seals straight into a PT taper port.
Airtac PYB Y-Type Threaded Tee Fitting PYB804 Technical Specifications
| Model | Airtac PYB Y-Type Threaded Tee Fitting PYB804 |
|---|---|
| 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.
Model Code: Airtac PYB Y-Type Threaded Tee Fitting PYB804
| 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. |
Fitting & Sealing Notes
- check Cut the tube square and clean before pushing it home, or the seal will leak.
- check Push until it stops, then pull back to check the chuck has gripped.
- check To release, press the collet ring fully in and pull the tube out.
- check Threaded parts arrive with sealant on the thread; M5 sizes use a sealing gasket.
- check Match the tube OD exactly - a 6 mm fitting will not hold 1/4" tube.
Where the Airtac PYB Y-Type Threaded Tee Fitting PYB804 Is Used
Cartoner clamp split
A packaging machine's 1/2in manifold tapping feeds the two clamp cylinders on either side of a carton station, both via 8 mm PU runs angled away from the Y without crossing.
Plating line rinse actuator
Two 8 mm nylon lines run to rinse-gate actuators from a single 1/2in PT drop, with the PBT body resisting splashed wash solutions around the plating tank.
Bottling air-knife feed
A bottling conveyor's air-nozzle bar splits from one 1/2in supply into twin 8 mm branches, and the push-in release lets maintenance reroute the nozzles between changeovers.
Is the Airtac PYB Y-Type Threaded Tee Fitting PYB804 the Right Part?
PYB804 sits at the top of the PYB thread ladder - 1/2in is the largest stud the series offers, and on this thread AirTAC lists only Dia 8, 10 and 12 mm tube. Step down to PYB803 (3/8in) if your manifold port is smaller; step to PYB1004 or PYB1204 to feed 10 or 12 mm tube off the same 1/2in port when the branches carry bigger cylinders. The Y shape suits a point where one supply must split into two angled runs - where a straight tee would force a hard 90-degree tube bend.
Tube OD must match exactly: this fitting holds 8 mm tube only, and a nominal 1/4in (6.35 mm) tube will not seal in the Dia 8 chuck. Match the thread by port, not by habit - measure the tapping before ordering.
Quick checklist
- ✓ Tube outside diameter matches exactly
- ✓ Thread size and standard match the port
- ✓ Working pressure within 0 - 1.0 MPa (0 - 10 kgf/cm2)
- ✓ Temperature within -20 to +70 °C
Airtac PYB Y-Type Threaded Tee Fitting PYB804 FAQ
The PYB804 is a PYB branch Y one-touch fitting with two Dia 8 mm tube ports and a 1/2in PT male thread. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, negative pressure -750 mmHg (10 Torr), and temperature range -20 to +70 C. It accepts soft nylon or polyurethane tubing in grey as standard; the D suffix option changes the release button colour to black.
This catalogue documents the PT (taper) thread standard only, and PYB804 ships with sealant pre-applied to the thread for a PT taper port. If your equipment is drilled for NPT or parallel BSPP, a straight thread swap is not offered in this series - verify the port standard on your manifold drawing before ordering, because a mixed-thread joint is the most common cause of a slow airline weep.
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