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CAST COUPLINGS
")
![CAST-STAINLESS-STEEL -COUPLING-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 couplings join two threaded stainless pipes to create strong, corrosion-resistant connections within industrial and sanitary systems. Manufactured from the cast equivalent of 316 stainless, these couplings deliver long-term durability, high mechanical integrity, and leak-resistant thread engagement.
Available in full and half couplings, they support linear extensions, system repairs, instrumentation connections, and component integration.
Couplings maintain sealing integrity under thermal cycling, vibration, and corrosive media exposure.
Engineers use CF8M couplings for pressure piping, control circuits, pump connections, and mechanical stainless networks.
Makers use couplings for modular piping builds, lab prototypes, small-scale manifolds, and stainless workshop projects.