how can I choose the bolt type (stud or mach)
flanges have btyp BOLT and flange valves have btyp MACH ,Waffervalves have btyp STUD.
so long is ok, but when I have flange to flange then I get automaticly stud bolt !!???
though I want mach bolt, any suggestions????
how can I choose the bolt type (stud or mach)
flanges have btyp BOLT and flange valves have btyp MACH ,Waffervalves have btyp STUD.
so long is ok, but when I have flange to flange then I get automaticly stud bolt !!???
though I want mach bolt, any suggestions????
