PED · Pressure Equipment Directive
EU law covering pressure equipment above a threshold; on European sites it, not a voluntary code, fixes weld QA, inspection extent, and pressure testing for cooling loops.
Current numbers
PS > 0.5 bar; pressure-equipment Categories I-IV; assemblies global conformity assessmentEU PED threshold and classification: PS > 0.5 bar; pressure equipment uses Categories I–IV, while assemblies receive global conformity assessment