DIN EN 17877:2025-05

This document defines the terms and definitions relating to the field of dynamic mixing and agitation. It covers the hydraulic characteristics of mixers and agitators. It is intended to contribute to mutual understanding of the various stakeholders in a mixing or agitation project: manufacturers, users, integrators, inspection agencies, etcetera. This document is applicable to mixing and agitation systems where there is at least one dominant liquid phase. It does not apply to: - static mixers; - kneaders; - submersible mixers covered by ISO 21630; - aerators; - pumps. This document has been prepared by Technical Committee CEN/TC 458 "Stirring and mixing industrial equipment", the secretariat of which is held by AFNOR. The responsible German standardization committee is Working Committee NA 012-00-01 AA "Anlagenteile" ("Process equipment") at DIN Standards Committee Chemical Apparatus (FNCA).