ASME Code Shop, Manufacturing Company, Custom fabricated pressure vessels and strainers for all applications, Process Strainers services include fabricated line strainers, process multi-bag filters , spectacle blinds; blanks & spacers, tee strainers, temporary (start-up) strainers, bleed (drip) rings, miscellaneous pressure vessels, Core tee strainers U.S. Patent #4051042 and 4009109, ...