Design

-Rotatable flange with a flat face, used alongside a weld-neck stub end.  

Materials

-ASTM A105 (carbon steel), ASTM A182 F304/316 (stainless steel).  

Standards

-ASME B16.5 Class 150–900, compatible with MSS SP-43 stub ends.  

Applications

-Pipelines with thermal expansion, slurry transport, and modular systems.  

Advantages

-Simplifies bolt hole alignment, reduces flange replacement costs.  

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