I would be concerned that Globe valves are not fit for the media - what is the solid content?? A better valve would be a plug valve because the shaft seals are protected from the entrance of grit and the plug is designed to close against wastewater and effluent with particulates in it...
Hi Glenn,
I have come across an article that may be useful to you. Read this FAQ on which metal to use in the design and manufacture of Butterfly Valves. I know this is butterfly valves, not spool valves, but i really don't think the type of valve is important here. The article suggests to use...