BS EN IEC 60534-3-1:2019
BS EN IEC 60534-3-1:2019
Industrial-process control valves. 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 valvesstandard by British-Adopted European Standard, 05/01/2019