Airtac PYB Y-Type Threaded Tee Fitting PYB804D
The AirTAC Airtac PYB Y-Type Threaded Tee Fitting PYB804D 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 PYB804D
The AirTAC PYB804D is a branch Y one-touch fitting in the PYB series, joining a Dia 8 mm tube to a 1/2" PT male thread and splitting the supply into two angled branch ports. Push the soft nylon or polyurethane tube into the port and the internal chuck grips it under the stainless spring gasket; press the POM release ring and the tube slides straight back out. The male thread arrives pre-coated with sealant, so no separate tape or paste is needed on the port.
This is the resin and brass one-touch profile: 0-1.0 MPa working pressure, -750 mmHg (10 Torr) vacuum, 1.5 MPa proof pressure, and a temperature band of -20 to +70 C. The D suffix makes this the black-bodied version of the PYB - on the branch Y series the colour extends beyond the release button to the whole body, which suits machines where grey hardware shows through open guarding. Inside you get a POM chuck and button, aluminium-alloy guide, stainless spring gasket and NBR O-ring on a PBT body with brass stud.
Airtac PYB Y-Type Threaded Tee Fitting PYB804D Technical Specifications
| Model | Airtac PYB Y-Type Threaded Tee Fitting PYB804D |
|---|---|
| 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 PYB804D
| 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 PYB804D Is Used
Splitting supply at a solenoid manifold
A 1/2" PT manifold outlet steps straight into the PYB804D stud, and the two angled branches feed separate lockout valve inlets without a Tee block and extra elbows.
Bottling line rinser air knife
Black body hides behind stainless guarding on wash-side equipment, and the Dia 8 branches carry blowing air to twin nozzles from one 1/2" header port.
Palletizer gripper distribution
From a single valve outlet, the Y divides flow to two suction-cup lines on a palletizing head, halving the number of tee joints and leak points in the tight gripper frame.
Is the Airtac PYB Y-Type Threaded Tee Fitting PYB804D the Right Part?
On the PYB ladder a Dia 8 tube on a 1/2" thread is the smallest tube you can pair with that port size - it exists, but the Y will be threaded into ports that usually feed Dia 10 or Dia 12 lines. Step down to PYB802 for a 1/4" PT port, or up to PYB1004 for a Dia 10 tube on the same 1/2" thread when the run needs a bigger bore. Before ordering, check the thread against the port it lands in: the 1/2" PT male studs into a tapped port of the same nominal size, sealed by the factory-applied thread coating.
Choose a Y instead of a PE union tee when two branches leave the fitting at an angle rather than a fixed 90-degree run, and instead of a PH universal elbow when the job is splitting, not turning. One hard rule: tube OD must match exactly - a Dia 8 fitting will not seal on 5/16" (8 mm nominal but off-spec) or 1/4" tube, only on true 8 mm soft nylon or polyurethane.
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 PYB804D FAQ
It is a black PYB branch Y one-touch fitting taking a Dia 8 mm tube on a 1/2" PT male thread with two branch ports. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), vacuum capability is -750 mmHg (10 Torr), proof pressure is 1.5 MPa, and the operating temperature range is -20 to +70 C. It runs on soft nylon or polyurethane tubing, and the thread ships with sealant already applied.
A PE tee presents its third port at a right angle to the run, which forces a sharp direction change; the PYB presents its two branches at an angle from the threaded leg, so tubing leaves the fitting in directions closer to the natural sweep of the line. The release ring works the same way on both: press it toward the body and the chuck lets go of the tube. Pick the Y when routing geometry, not flow splitting, is the driver - and remember each branch must carry a tube of exactly the same OD as the port it enters.
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