BS EN 558:2008+A1:2011 Industrial valves. Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems. PN and Class designated valves
2022BS 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
2017BS 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
2008BS EN 558:2008+A1:2011 Industrial valves. Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems. PN and Class designated valves
2008BS 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
1996BS EN 558-2:1996 Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - Class-designated valves