... #steel,etcsize:DN 125mm or DN 150mmWall thickness:4.1-7.1mmlength:3meters is standard length,other length as to your ... DN 150mm (R275,R225,R315,etc)degree:90, 60,45,30,15 3. concrete pump coupling/clampmaterial:Hi-Mn13,20#steel,etcsize:from ... schwing,PM,etc rubber sponge balls:for all kinds of concrete pump pipefittings 7.wear plate and cutting ring Fitting to schwing,PM ...