Concrete Pump Flange 1.Schwing,Putzmeister,Sany,Kyokuto,etc 2,Model:DN80,DN100,DN125,DN150,DN175 3.Type:ZX flange,SK flang Weld-on collarsInner diameter: 2", 2 1/2", 3", 4", 5", 6"Outer diameter: 3.06", 3.45", 4.18", 5.18", 6.18", 7.20", 8.20" We can also supply according to your drawing or samplesPayment of the snap clampNo.1 TT 30% deposit prepaid, balance paid before shipment.No.2 L/C ...