concrete pipe making machine to produce, 300-2000mm(diameter) parallel, socke and spigot concrete pipe. Main Technicial Specifications:type: Unik800*2000 ... 132-800 72-727 72-727Feature:Unik—2000 concrete pipe making machine has different types of Unik 800×2000, Unik1200× ... rotates in high speed, the concrete becomes solid pipe by action of roller press and fugal force. concrete pipe making machine