SFC KOENIG®, a global supplier of sealing and flow control components, has added manufacturing equipment for KOENIG EXPANDER® pull-style plugs in its North Haven, Connecticut facility. The new equipment was custom built for SFC KOENIG and utilizes designs already in operation in the company’s Swiss production facility. North American-based production will include SK and LK series KOENIG EXPANDERS, as well as custom expander plugs developed for customer-specific requirements.