most company valve specifications limit the size of control valves to 6" even when it is to be installed on a bigger line.Can someone help explain the reason for this.
in a project were integrated DBB valves with 2 ball block valves and a needle bleed, is a special item. In preparing datasheet for vendor requisition, do I need to specify materials for various trim parts or should I only describe fluid properties and flow characteristics allow it to be by...
