Description: Overpressure of the gaseous state that is in thermodynamic equilibrium at a given temperature.; Name: Vapor pressure (overpressure)
Description: gauge pressure of the gaseous state of a substance which is in thermodynamic equilibrium with the liquid or solid phase of the substance at a given temperature; Name: vapor pressure (gauge)
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 electric motor