DIN EN 558:2017 Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2017
EN 26554:1991 Flanged Automatic Steam Traps - Face-to-Face Dimensions
EN 60534-3-2:2001 Industrial-Process Control Valves Part 3-2: Dimensions - Face-to-Face Dimensions for Rotary Control Valves Except Butterfly Valves
EN 736-1:1995 Valves - Terminology - Part 1: Definition of types of valves
DIN EN 558:2017 history
2022DIN EN 558:2022-09 Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2022
2022DIN EN 558:2022 Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves
2017DIN EN 558:2017 Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2017
2012DIN EN 558:2012 Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2008+A1:2011
2008DIN EN 558:2008 Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; English version of DIN EN 558:2008-05
1991DIN EN 26554:1991 Flanged automatic steam traps; face-to-face dimensions (ISO 6554:1980); german version EN 26554:1991