Flange valves include flanges
Flanged valve as a whole itself each end has a flange, these two flanges are included in the valve, and do not contain these two flanges matching flange, but you can spend money for you to match.
Flanged valve as a whole itself each end has a flange, these two flanges are included in the valve, and do not contain these two flanges matching flange, but you can spend money for you to match.
Flange valve refers to the two section of the valve flange, through the bolt and pipe flange connection
