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KPZA-12 Nickel Quick-Screw Equal Cross Union - 12mm Tube OD
One complete nickel-plated brass cross union with four quick-screw tube ports and four assembled retaining nuts.
Applications & specifications · Quick order all packs
Ships from China · 5–7 calendar days preparation. Shipping · Returns

KPZA-12 Nickel Quick-Screw Equal Cross Union - 12mm Tube OD
Connect four compatible pneumatic lines in a cross configuration. Match the selected tube outside diameter or hose inside diameter, according to the mechanism. The cross union is a junction and does not act as a shut-off valve.
Included in one sales unit
1 complete assembled cross-union fitting. Four supplied retaining nuts are assembled. Tubing, mounting hardware, tools and storage boxes are not included.
Original supplier series illustrations and views; appearance varies with selected size and finish. Selected-model tube interfaces and any listed approximate dimensions follow the original corresponding source.
Model & Reference Codes
| Original shipping SKU | PZA12-KN |
|---|---|
| Supplier model reference | KPZA-12 |
| Connection type | Nickel Quick-Screw Equal Cross Union |
| Port layout | Four equal connections; four matching ports |
| Selected size | 12 mm tube outside diameter at all four ports |
| Equipment-port thread | None |
| Material / construction | Nickel-plated brass body with four retaining nuts |
| Sales unit | 1 complete assembled equal cross-union fitting |


Connect and inspect all four ports.
Isolate and fully depressurize the line. Match the selected tube outside diameter at all four ports. Cut compatible tubing or hose square and remove debris. Place each retaining nut on its tube, fully seat the tubing and secure four nuts. Depressurize before loosening nuts. Restore air gradually and leak-check all four joints. Tubing, hoses, clamps and tools are not included.
Pack quantities
Choose 1 / 5 / 20 fittings per pack. Quantity counts packs; physical fittings equal pack size multiplied by the number of packs. Displayed pack prices include the shown savings.
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Find your matching configuration
PZA Equal Cross Union Pneumatic Fittings
PZA equal cross unions join four matching-size lines. Choose tube outside diameter for push-in fittings, or hose inside diameter for hose barbs.
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