Vertical bayonet vaporizers are good general use vaporizers. The flexibility that numerous materials of construction combinations can provide allows these vaporizers to be used for a wide variety of process fluids. Armstrong Chemtec is a preferred supplier for multiple licensed refinery processes and has a long history of providing these vaporizers for chlorine service. Armstrong Chemtec is a member of both the Chlorine Institute and Euro Chlor, and has participated on multiple task groups to review and revise Chlorine Institute’s Pamphlet No. 9, including the two most recent editions.