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CAST UNIONS
")
![CAST-STAINLESS-STEEL -UNIONS-MEDIUM-SIZE](https://www.acestainless.com/images/tnImages/Images/Fitting/Cast/stainless/tn_medium-size.png "MEDIUM SIZE (2-1/2" - 6")")
Overview
CF8M stainless unions allow two piping sections to be connected and disconnected without rotating the pipe, providing serviceability and alignment flexibility in stainless threaded systems. Their three-piece design ensures precise mating surfaces and leak-resistant compression sealing.
Made from CF8M (cast 316 stainless), these unions deliver exceptional corrosion resistance in chemical, marine, and sanitary environments.
Unions support maintenance, cleaning, instrumentation access, and modular system reconfiguration.
Engineers specify unions for pump connections, equipment tie-ins, skid systems, and process lines requiring frequent service access.
Makers use unions for modular lab rigs, stainless prototypes, and workshop systems needing dedicated quick-access joints.