
Industrial-process control valves. Part 3: Dimensions - Section Two - Face-to-face dimensions for flangeless control valves except wafer butterfly valves
出版:International Electrotechnical Committee

專家解讀視頻
Gives the overall lengths of following types: segmental ball, eccentric rotary plug, and barstock globe; wafer butterfly valves are excluded.
BS 5793-3.2:1985 - Identical