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The SMC PNEUMATICS KQ2P-07 is a push-to-connect tube plug fitting designed to seal off open pneumatic tube lines without tools. Constructed from brass with polybutylene components, it accepts 1/4-inch OD tubing and is rated for a maximum working pressure of 150 psi. The fitting features a push-in connection mechanism that allows fast, tool-free tube insertion and secure sealing, making it well suited for pneumatic plumbing tasks where a line end must be capped quickly and reliably. Licensed pneumatic system technicians and industrial maintenance professionals typically handle installation of these fittings in compressed air and fluid handling assemblies.
This plug fitting is used to terminate or temporarily seal 1/4-inch OD tubing in pneumatic control systems, compressed air distribution lines, and fluid handling circuits. It is appropriate for both light industrial and commercial applications where push-to-connect fittings are the standard connection method. The orange color provides quick visual identification of sealed or capped ports within a tubing assembly.
Designed as an OEM-style replacement or supplemental fitting for pneumatic tube assemblies using 1/4-inch OD push-to-connect tubing systems.
Installation is performed by pneumatic system technicians or industrial maintenance personnel. Before servicing any pneumatic line, depressurize the system completely and verify zero pressure at the work point. Insert tubing straight into the fitting until it seats fully against the collet to ensure a leak-free connection. Follow applicable facility safety and compressed air system standards during installation and inspection.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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