Description: specific design within a type, generally characterized by its dimensions, a design may include several designs (variants), generally differing in mechanical details; Name: Design of sealing surface (connection spigot A2)
Description: a specific design within the context of a type, which is generally characterized by its dimensions. A construction can comprise several design (variants), which generally vary in terms of mechanical details; Name: Construction form of the seal surface, connection, muff A2
Description: Allocation of the devices according to deployment site and cause of the hazard. NOTE: The Group II operating media are further subdivided into explosion groups and temperature classes; Name: Explosion protection device group of the pump