Concrete Pump Flange 1.Schwing,Putzmeister,Sany,Kyokuto,etc 2,Model ... ,DN125,DN150,DN175 3.Type:ZX flange,SK flang Weld-on collarsInner diameter: 2", 2 1/2", 3", 4", 5", ... also supply according to your drawing or samplesPayment of the pipe flangeNo.1 TT 30% deposit prepaid, balance paid before ... box No.3 Seaworthy packing, according to the customer demand. Concrete pipe flanges , Weld-on collars