
The AirTAC Airtac PZB Cross Threaded Fitting PZB602D-S 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.
The PZB602D-S is an AirTAC one-touch threaded cross: a single 1/4in PT male port that splits into three Dia 6 mm tube outlets at 90 degrees to each other. Push each soft nylon or polyurethane tube straight into its collet until it bottoms out and the stainless spring gasket inside the chuck grips it; press the POM release ring to let it go. The D suffix gives this part a black PBT body, and the -S suffix fits a SUS304 stainless stud in place of the standard brass one.
This belongs to the resin one-touch family, not the metal BP line: working pressure 0-1.0 MPa (0-10 kgf/cm2), vacuum down to -750 mmHg (10 Torr), proof pressure 1.5 MPa and a service temperature of -20 to +70 C. The stainless suffix changes the stud material only, so these ratings carry over unchanged. AirTAC ships threaded parts with sealant already applied to the PT thread, so the stud can be wound straight into the port.
| Model | Airtac PZB Cross Threaded Fitting PZB602D-S |
|---|---|
| Type | Threaded cross |
| Series | PZB |
| Connection | Push-in one-touch |
| Body material | Stainless steel 304 (-S variant) |
| 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. Stainless (-S): SUS304 in place of brass - a solid SUS304 body on the PC and POC straight connectors, and a PBT body with a SUS304 stud on the elbow, tee and branch shapes. Working pressure, proof pressure and temperature are unchanged from the standard version. AirTAC publishes flow as a characteristic curve rather than a single figure, so no L/min value is listed.
| 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. |
| -S | Stainless-steel body. |
From one 1/4in threaded tap on a pneumatic manifold, the cross feeds three Dia 6 lines to stopper cylinders on a bottle-filling carousel, keeping all three legs the same length from a single point.
The SUS304 stud shrugs off chemical splash around electroplating tanks, so one 1/4in feed can be divided three ways to blow-off nozzles running on Dia 6 PU tubing.
Packaging conveyors often need three short-stroke cylinders adjusting guide rails at one station; this cross drops off the frame port and supplies all three from one 6 mm circuit.
Dia 6 is the smallest tube size the PZB cross is made in - there is no Dia 4 version of this prefix, so if you need one step down you must move to another series. The step up is Dia 8 (PZB802D-S), which suits heavier actuators that want a larger bore to breathe. On threads, Dia 6 is offered in 1/8in (PZB601), 1/4in (this part) and 3/8in (PZB603); pick the thread by matching the port it screws into, not by preference. Remember the tube wall matters too: the OD must be exactly 6 mm - a 1/4in tube will not seal in this socket and will blow out under pressure. If your layout needs a run instead of four equal legs, the PED male run tee is the closer shape.
Quick checklist
It is a one-touch threaded cross with a 1/4in PT male thread and three Dia 6 mm tube sockets. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), it tolerates vacuum to -750 mmHg (10 Torr), proof pressure is 1.5 MPa, and the temperature range is -20 to +70 C. The body is black PBT with a SUS304 stainless stud, and it runs on soft nylon or polyurethane tubing.
No. The collet and O-ring are cut for exactly 6 mm outside diameter; using inch tube leaves the seal off-centre and the joint will leak or release under pressure. If your circuit runs in inch sizes, use the matching inch-series fittings instead. Also note that on the PZB prefix the 1/4in thread is only offered with 6, 8 or 10 mm tube, so stepping the tube up or down keeps your thread choice within the range.
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