The full name of PED certification is: Pressure Equipment (PED) Certification. PED is a mandatory regulation promulgated by EU member states to reach consensus on the safety of pressure equipment.
If we make a simple comparison with ASME certification, PED certification is the safety certification of specified products, while ASME certification is factory certification of specified standards. This is the biggest difference in nature between the two. It is worth everyone's attention that in PED certification, the basic safety requirements stipulated in the directive are mandatory, but the technical standards of the product are not mandatory. Unless specified by the user, the manufacturer is free to choose any technical standard. This is also very different from domestic regulations: national standards, ministerial standards or industry standards must be enforced.
The Pressure Equipment Directive PED 2014/68/EU is a directive. All equipment with a design pressure exceeding 0.5bar must comply with PED regulations regardless of its pressure or volume. Equipment that loads or delivers fluids, such as fire extinguishers, pressure gauges, valves, safety valves, air cabinets, tower tanks, pipelines, pipe fittings, steam equipment, etc., must comply with PED regulations.