The Compabloc nameplate provides information such as the name of the manufacture, type of Compabloc, serial number, year of built, fluid group, identification of nozzle, volume per side including nozzles, design pressure for both media, design temperatures for both media, differential/simultaneous test pressure per side, maximum operating temperature per side, date of pressure test, weight of empty unit, tag number or other identification information, maximum differential pressure between both sides, 'CE' tag, platepack material, and other information like QR code.
See the user manual Compabloc IOM Manual.pdf for more details.