ISO 5211:2026
ISO 5211:2026 Industrial valves - Part-turn actuator attachments
standard byInternational Organization for Standardization , 02/01/2026
standard byInternational Organization for Standardization , 02/01/2026
This document specifies requirements for the attachment of part-turn actuators, with or without gearboxes, to industrial valves.
u000bThe attachment of part-turn actuators to control valves in accordance with the requirements of this document is subject to an agreement between the supplier and the purchaser.
u000bThis document specifies:
u000bu000bflange dimensions necessary for the attachment of part-turn actuators to industrial valves [see Figures1a) and 1c)] or to intermediate supports [see Figures1b) and 1d)];u000bdriving component dimensions of part-turn actuators necessary to attach them to the driven components;u000breference values for torques for interfaces and for couplings having the dimensions specified in this document.u000bu000bThe attachment of the intermediate support to the valve is beyond the scope of this document.