This standard applies to linear actuators, pneumatically or hydraulically operated. It defines the vocabulary, classification and designation of actuators for industrial valves, as well as the specifications that apply to them.
NF E29-409:2014 Referenced Document
NF EN 15714-1 Robinetterie industrielle - Actionneurs - Partie 1 : terminologie et définitions
NF EN 60534-1 Industrial Process Control Valves - Part 1: Control Valve Terminology and General Considerations
NF EN ISO 5210 Industrial valves - Connection of multi-turn actuators to valve devices*, 2017-07-14 Update
NF E29-409:2014 history
2014NF E29-409:2014 Industrial valves - Linear pneumatic and hydraulic actuators - Specifications