Airtac PYB Y-Type Threaded Tee Fitting PYB1004D
The AirTAC Airtac PYB Y-Type Threaded Tee Fitting PYB1004D 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 PYB1004D
The PYB1004D is an AirTAC PYB branch Y, a one-touch fitting that takes a single 1/2 inch PT male thread and splits the flow into two Dia 10 mm tube legs set at a Y angle. Push each tube home and the internal stainless spring gasket and chuck grip it; press the POM release ring and the tube frees off again. The D suffix makes this the black version - and unlike the PC and POC connectors, where black changes only the release button, on the PYB it changes the body colour too, so the whole fitting reads black on the machine.
This is the resin/brass one-touch line, not the metal BP family: working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum to -750 mmHg (10 Torr), proof pressure 1.5 MPa, and a service range of -20 to +70 C. The body is PBT with a brass threaded stud, which arrives with sealant already applied, so the 1/2 in thread seals into the port without extra tape or paste. Use it with soft nylon or polyurethane tube rated for those conditions.
Airtac PYB Y-Type Threaded Tee Fitting PYB1004D Technical Specifications
| Model | Airtac PYB Y-Type Threaded Tee Fitting PYB1004D |
|---|---|
| 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 PYB1004D
| 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 PYB1004D Is Used
Twin grippers on a pick-and-place head
On a packaging machine transfer head, one 1/2 in drop through the carriage plate can feed two Dia 10 mm lines to a pair of pneumatic grippers. The PYB1004D makes that split at the point of use, so both grippers extend off the same valve output and stay synchronised.
Split feed on a rotary filling carousel
Carousel filler stations often share one regulator outlet per zone. A Y branch screwed into the zone's 1/2 in outlet sends Dia 10 mm tube to the fill cylinder and the clamp cylinder from a single threaded port, avoiding an extra tee block and its two extra joints.
Lab autoclave-adjacent air rig with black hardware
Where the spec sheet calls for black fittings to match dark anodised frames or to hide discolouration near process equipment, the all-black PYB1004D body keeps Dia 10 mm branch lines visually consistent across a test rig or analytical-instrument air manifold.
Is the Airtac PYB Y-Type Threaded Tee Fitting PYB1004D the Right Part?
At the 1/2 in thread position, the PYB ladder runs Dia 8, Dia 10 and Dia 12. Step down to PYB804 if the legs feed lighter loads or longer runs where you want less air demand; step up to PYB1204 if the two branches each carry a big-bore cylinder and pressure drop in 10 mm tube would show up at the actuator. A Y is the right shape when two legs leave one port at an angle - if the legs must leave at a true 90 degrees, use a PED male run tee instead, and if one leg needs a smaller tube, that is a reducer job, not this part.
Match the port before anything else: 1/2 in PT suits main drop legs and manifold outlets. Then check the tube - Dia 10 means 10 mm outside diameter exactly, so a fitting ordered as Dia 10 will not grip 3/8 in (approximately 9.5 mm) or 12 mm tube. Note also that PYB in M5 exists only in Dia 4 and Dia 6; small-thread Ys and this 1/2 in branch are different animals.
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 PYB1004D FAQ
It is an AirTAC PYB branch Y for Dia 10 mm tube with a 1/2 in PT male thread, black body (D suffix). Working pressure 0-1.0 MPa (0-10 kgf/cm2), negative pressure to -750 mmHg (10 Torr), proof pressure 1.5 MPa, temperature range -20 to +70 C. Body PBT with a brass stud, POM release button and chuck, stainless spring gasket and NBR O-ring. It runs soft nylon or polyurethane tube.
No. Both legs of the PYB1004D accept Dia 10 mm outside-diameter tube only; the chuck and gasket cannot seal a smaller or larger tube. If one branch must drop to a smaller line, keep this fitting on the Dia 10 legs and put a PG different-diameter straight union partway down the smaller branch, or step the port itself with a reducer fitting at the thread.
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