Mechanical seals. Principal dimensions, designation and material codes Ingestion-build-63114 BS EN 4127:2009 Aerospace series

BS EN 4127:2009 Aerospace series

and manufacturing of ladders and of information for the user

Contents of BS EN 60794-3-20:

— fidelity to the original and data integrity

the provenance of sensors and their data and the assessment of measurement uncertainty

Mechanical seals. Principal dimensions, designation and material codes Ingestion-build-63114 BS EN 4127:2009 Aerospace series1 Scope This European Standard defines the principal dimensions for the internal installation of single and multiple mechanical seals with (rotating) spring units into the pump sealing cavity according to ISO 3069 as minimum cavity dimensions as typical for centrifugal pumps in accordance with EN 22858 and EN 733. It also gives the seal designations and material codes to be used.