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The PARKER FB6TU6-HBLK is a push-to-connect union tube fitting designed for quick, tool-free connections in fluid and pneumatic plumbing systems. Built from Kynar (PVDF) with an FKM o-ring, this fitting handles up to 250 psi and a vacuum rating of 28 inches-Hg, making it suitable for demanding chemical-transfer and process-fluid applications. The black color coding aids in system identification on the job. Licensed plumbers, pipefitters, and process technicians install this type of fitting where a reliable, removable inline union connection is needed without solvent cementing or threading.
This fitting is suited for residential, commercial, and light industrial plumbing and fluid-handling systems where Kynar-compatible media and push-to-connect convenience are required. Typical applications include chemical process lines, water treatment installations, and any system calling for a corrosion-resistant inline union at a 1/2 inch OD tube connection point. The FKM o-ring sealing element broadens compatibility with a wide range of process fluids and mild chemicals.
Designed as an OEM-style push-to-connect union fitting for systems using 1/2 inch OD tubing with Kynar-compatible fluid media.
Installation is performed by licensed plumbers or qualified pipefitters following applicable IPC and local plumbing codes. Before servicing or installing, depressurize and drain the line completely and verify system pressure and media compatibility with Kynar and FKM materials. Ensure tube ends are cut cleanly and squarely and are free of burrs before insertion to maintain a proper seal. To release the fitting, depress the collet ring evenly while withdrawing the tube.
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