DN125 Schwing concrete pump pipe flange 1.20#steel 2.Forging,rolling 3.hardness of 62-64 4.4-6inches,DN125,DN150,DN175 DN125 Schwing concrete pump pipe flange Item No:001DN 125 Unilateral flangeTechnology:ForgingMaterial:20# steel, Q345BSize(mm):ABCD148-00114812517140157-00115712517140Pump Brand:Schwing, Putzmeister, Sany, Zoomlion No.unilateral flange127-001unilateral flange148-001unilateral ...