OVE EN IEC 60534-3-1:2019-12
Действует
Industrial-process control valves -- Part 3-1: Dimensions - Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle pattern control valves (IEC 60534-3-1:2019) (english version)
