... produce, 300-2000mm(diameter) parallel, socke and spigot concrete pipe. Main Technicial Specifications:type: Unik800*2000 Unik1200*2000 Unik1600* ... 2000 Unik2000*2000Outer diameter of pipe 300-800 800-1200 1200-1600 1600-2000Rotation shaft ... Unik1200×2000, Unik1600×2000, Unik2000×2000, they produce concrete pipe for diameter of 300-2000mm and length of 2000. Roller axis ...