BUC black pneumatic push-in quick joint connectors come in 4 mm, 6 mm, 8 mm, 10 mm and 12 mm sizes. This series is used to connect a hand valve to a turn switch in pneumatic systems. Key features and benefits - Function: manual ball current limiting type that supports direct connection between a hand valve and a switch in pneumatic circuits - Size compatibility: available in 4, 6, 8, 10 and 12 mm to match common tubing and fittings - Model reference: the BUC12 model features specific dimensions and functions - Application focus: designed for pneumatic applications with easy push-in connection and quick disconnection - Color and appearance: black finish suitable for standard industrial installations Why you need it - Reduces assembly time with tool-free push-in connections - Enables rapid changes or maintenance by allowing quick disconnection from pneumatic lines - Scales across multiple tubing sizes for versatile use in control panels and automation setups 2-3 practical use scenarios - Scenario 1: In an automated packaging line, use the BUC connector to link a hand valve to a switch, enabling fast changesover between production modes without tools - Scenario 2: In a pneumatic test bench, employ the 4–12 mm push-in connectors to rapidly assemble and reconfigure test circuits, then disconnect for safe maintenance - Scenario 3: On a compact control panel, combine different size connectors (4, 6, 8, 10, 12 mm) to create a flexible pneumatic control neck that can be adapted as the system evolves Notes - All sizes are offered to suit a range of tubing and flow requirements - The BUC12 model provides its own defined dimensions and functional characteristics within the series