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PU6-KN / KPU-6 Nickel Quick-Screw Straight Union - 6mm Tube OD
One complete nickel-plated brass straight quick-screw union with two retaining nuts. Match tube outside diameter; use the nut connection procedure.
Applications & specifications · Quick order all packs
Ships from China · 5–7 calendar days preparation. Shipping · Returns

PU6-KN / KPU-6 Nickel Quick-Screw Straight Union - 6mm Tube OD
Join compatible equal-size pneumatic tubing in a straight line. Select the correct tube outside diameter and connection mechanism.
Included in one sales unit
1 complete assembled fitting. No storage box is included. Two retaining nuts remain part of the assembled fitting.
Original supplier series illustration; appearance varies with selected size. Original approximate same-model dimensions are retained where listed.
Model & Reference Codes
| Original shipping SKU | PU6-KN |
|---|---|
| Supplier model reference | KPU-6 |
| Connection type | Nickel Quick-Screw Straight Union |
| Sales unit | 1 complete assembled fitting |
| Material / construction | Nickel-plated brass body with two tube-retaining nuts |
| Connection size | 6 mm tube outside diameter |
| Equipment-port thread | None; connects tubing to tubing |
| Unit weight | 0.0108 kg |


Connect and inspect.
Isolate and fully depressurize the line. Match tube outside diameter. Cut tube square and remove debris. Slide each nut onto its tube, seat both tubes fully, then secure the supplied retaining nuts. Depressurize before loosening the nuts. Restore air gradually and check for leaks. Tubing, tools and equipment are not included.
Pack quantities
Choose 1 / 5 / 20 fittings per pack. Quantity counts packs. Physical sales units equal pack size multiplied by number of packs. Displayed pack prices include the shown savings.
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