This document was prepared by Technical Committee ISO/TC 153, Valves. This second edition cancels and replaces the first edition (ISO 5211:2001), which has been technically revised with the following changes: a) introduction of new flange sizes; b) introduction of improved flat head; c) introduction of involute spline; d) introduction of bi-square;

ISO 5211 defines the actuator mounting dimensions and drive square size. See the chart below for the ISO 5211 common dimensions and imperial/metric equivalents. You can also open/download and print-out the easy reference ISO 5211 pdf file.

Jul 30, 2022 · ISO 5211 is an international standard that specifies the flange dimensions, driving component dimensions, and torque reference values for part-turn actuators that connect to industrial valves like butterfly and ball valves.

ISO 5211:2017 specifies: - flange dimensions necessary for the attachment of part-turn actuators to industrial valves [see Figures 1 a) and 1 c)] or to intermediate supports [see Figures 1 b) and 1 d)]; - driving component dimensions of part-turn actuators necessary to attach them to …

EN ISO 5211:2001 © BSI 9 June 2003 1 Scope This European Standard specifies requirements for the attachment of part-turn actuators, with or without gearboxes, to industrial valves. The attachment of part-turn actuators to control valves is in accordance with the requirements of this

INTERNATIONAL STANDARD ISO 5211:2023(E) Industrial valves — Part-turn actuator attachments 1 Scope This document specifies requirements for the attachment of part-turn actuators, with or without gearboxes, to industrial valves. The attachment of part-turn actuators to control valves in accordance with the requirements of this

This third edition cancels and replaces the second edition (ISO 5211:2017), which has been technically revised. The main changes are as follows: — dimensions and tolerances for keys and keyways were added in a new Annex B; — a reference to the new Annex B was added in 7.2; — editorial changes were made.

Sep 1, 2023 · Published by ISO on February 1, 2021 This document provides the data and indications necessary for the design and manufacture of straight (non-helical) side-fitting cylindrical involute splines. Limiting dimensions, tolerances,...

This second edition cancels and replaces the first edition (ISO 5211:2001), which has been technically revised with the following changes: a) introduction of new flange sizes; b) introduction of improved flat head;

Expected to be replaced by ISO/DIS 5211 within the coming months. Convert Swiss francs (CHF) to your currency. This document specifies requirements for the attachment of part-turn actuators, with or without gearboxes, to industrial valves.