Product categories
Selected pack
Zu Produktinformationen springen
PU-4 Push-In Straight Union - 4mm Tube OD
$0.28
One complete straight push-in union connects two tubes of equal outside diameter. Supplied release collars are assembled.
Applications & specifications · Quick order all packs
Ships from China · 5–7 calendar days preparation. Shipping · Returns
PU-4 Push-In Straight Union - 4mm 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.
Original supplier series illustration; appearance varies with selected size. Original approximate same-model dimensions are retained where listed.
Model & Reference Codes
| Original shipping SKU | PU-4 |
|---|---|
| Supplier model reference | PU-4 |
| Connection type | Blue-Ring Push-In Straight Union |
| Sales unit | 1 complete assembled fitting |
| Material / construction | Black polymer body with blue release collars |
| Connection size | 4 mm tube outside diameter |
| Equipment-port thread | None; connects tubing to tubing |
| Unit weight | 0.003 kg |
| Approx. overall length | 32.5 mm |
Connect and inspect.
Isolate and fully depressurize the line. Match tube outside diameter. Cut tube square and remove debris. Push both tubes fully into the matching collars and pull gently to check retention. To disconnect, depressurize, press the release collar evenly and withdraw the tube. Restore air gradually and check for leaks. Tubing, tools and equipment are not included.
Pack quantities
Choose 1 / 10 / 100 fittings per pack. Quantity counts packs. Physical sales units equal pack size multiplied by number of packs. Displayed pack prices include the shown savings.
0
Artikel gesamt
Produktzwischensumme
Steuern, Rabatte und Versand werden beim Checkout berechnet.
Passende Ausführung finden
Straight Union Fittings (PU)
PU straight unions join equal-size tubing in line. Choose the mechanism and diameter, or compare the exact contents of one fixed kit.
Blue-Ring Push-In Unions 7Nickel Quick-Screw Unions 7304 Stainless Push-In Unions 5Hose-Barb Unions 7Fixed PU Assortments 9
Blue-Ring Push-In Unions (7)
Nickel Quick-Screw Unions (7)
304 Stainless Push-In Unions (5)
Hose-Barb Unions (7)
Fixed PU Assortments (9)
