Design pressure – The pressure equipment directive (PED, German abbreviation DGRL) classifies pressure equipment into various categories depending on the pressure equipment volume V respectively the nominal size DN for piping and the maximum permissible pressure PS. Here, the maximum permissible operating pressure PS according to art. 1 para. 2 no. 2.3 PED (resp. German DGRL) is defined as “the highest pressure specified by the manufacturer for which the pressure equipment is designed”. As a manufacturer of pressure equipment STRIKO process technology is also obligated to specify the design pressure of its pressure equipment on the nameplate.