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The LEGRIS 0106 12 00 is a brass compression tube union designed to create a straight, inline connection between two compression-end tube runs. The fitting accepts tubing with a 12mm outside diameter on each end and holds a maximum working pressure of 320 psi. It is rated for a temperature range of -40 degrees F to 210 degrees F, making it suitable for a wide range of fluid and pneumatic system applications. Licensed tradespeople in plumbing, HVAC, and industrial pneumatic work install this type of fitting when a leak-tight, re-engageable tube joint is required without soldering or welding.
This union fitting is used in residential and commercial fluid handling systems, pneumatic control lines, and instrumentation tubing runs where a same-size, inline tube junction is needed. Its brass construction makes it appropriate for compressed air, inert gases, water, and compatible hydraulic fluids. The compression-by-compression end configuration allows installation in close-tolerance panels or inline runs where a straight union connection is the preferred solution. It ships as a single unit and is commonly stocked by mechanical contractors and industrial maintenance teams.
Designed for use with 12mm outside diameter tubing in compression-end pneumatic, fluid handling, and instrumentation systems that require an inline union fitting.
Installation should be performed by a qualified plumber, pipefitter, or pneumatic systems technician. Depressurize and isolate the line completely before disassembling any existing fitting or inserting this union. Ensure tube ends are cut square and deburred before seating them into the compression ferrules. Follow applicable installation codes, including IPC or IFGC as relevant to the service medium, and verify the installed assembly to rated working pressure before returning the system to service.
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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