Airtac PZB Cross Threaded Fitting PZB1204
The AirTAC Airtac PZB Cross Threaded Fitting PZB1204 is a genuine threaded cross for push-in tube connection, rated 0 - 1.0 MPa (0 - 10 kgf/cm2) with a 1.5 MPa proof pressure.
- TypeThreaded cross
- SeriesPZB
- 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 PZB Cross Threaded Fitting PZB1204
The PZB1204 is an AirTAC PZB threaded cross, the four-way node of the resin one-touch range. A 1/2in PT male thread lands on the supply side and three Dia 12 mm push-in ports branch off it, so a single header port can feed three 12 mm lines without gang manifolds or extra tees. Push each tube home and the internal chuck grips it; press the POM release ring to let it go.
This is the resin and brass one-touch profile, not the metal BP line: working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum to -750 mmHg, proof pressure 1.5 MPa, and a working temperature of -20 to +70 C. The body is PBT over a brass stud, the thread arrives with sealant pre-applied, and the standard colour is grey. Note that the PZB family never came in M5 - 1/8in is the smallest thread it offers - and Dia 12 is the largest tube it accepts, so this SKU sits at the top of the PZB bore ladder.
Airtac PZB Cross Threaded Fitting PZB1204 Technical Specifications
| Model | Airtac PZB Cross Threaded Fitting PZB1204 |
|---|---|
| Type | Threaded cross |
| Series | PZB |
| 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 PZB Cross Threaded Fitting PZB1204
| PZB | Threaded cross. |
|---|---|
| 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 PZB Cross Threaded Fitting PZB1204 Is Used
Central air header on a packaging line
The 1/2in PT stud screws straight into a main drop leg, and the three 12 mm push-in ports feed bagger, sealer and labelling stations from one node, keeping the header short and leak paths few.
Multi-station pneumatic press fixture
A fixture with three 12 mm clamping circuits can share a single threaded cross instead of three separate elbows, simplifying guarding apertures and future tubing changes.
Conveyor gate and divertor distribution
Pneumatic divertor gates and gate stops on a bottling conveyor each draw from the PZB1204's three 12 mm outlets, so one 1/2in supply thread serves the whole gate cluster.
Is the Airtac PZB Cross Threaded Fitting PZB1204 the Right Part?
Within the 1/2in PT row of the PZB ladder you can step down to PZB1004 (Dia 10) when the branch lines are lighter, but there is no Dia 14 or 16 above - 12 mm is the end of the range, so upsizing means moving to a different family. If your three branches are 12 mm but the supply port is only 3/8in, PZB1203 keeps the same bore on a smaller thread. Measure tube OD precisely: a 12 mm fitting will not seal on 1/2in (12.7 mm) imperial tube, and the sizes are close enough to fool a tape measure.
Pick a cross over a tee when one supply leg must become three branches at the same node - typical where a main air drop splits to three large actuators or three machine stations. For lower-flow spur lines, PZB804 or a PED run tee may suit better.
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 PZB Cross Threaded Fitting PZB1204 FAQ
It is an AirTAC PZB threaded cross joining Dia 12 mm soft nylon or polyurethane tube to a 1/2in PT male thread. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), negative pressure to -750 mmHg, proof pressure 1.5 MPa, and working temperature -20 to +70 C. The body is PBT with a brass stud, the release button and chuck are POM, and the O-ring is NBR.
No. All three push-in ports on a PZB cross are the same bore - here Dia 12 mm - and the tube OD must match exactly or the chuck will not seal. To step a branch down to 8 or 10 mm, add a PG different-diameter straight union on the tube run, or choose a PKD reducer triple branch if you want the reduction built into the fitting itself.
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