I have been told that toroidal rings are installed at the atmospheric discharge point on hydrogen relief lines to prevent static ignition. I have had no success searching the web for information on these devices or finding companies that sell these devices. Would someone please enlighten me?
I am looking for January 2000 and January 2002 "Chemical Engineering Plant Cost Indices" (CEPCI) in three subcategories. Would someone please provide the CEPCI indices (published generally on the last page in each issue of McGraw-Hill Chemical Engineering Magazine) for the following...