... requirements 3,innovated European technology 4,PLC control ppr Pipe making machine Material adopted: PE,PP,PB,PERT,ABS etc. Main ... hard gear reducer. Relevent Parts Introduce: 1, Vacuum calibration water tank: it is equipped with two-stage vacuum system(for large ... pipe. Its material is stainless steel.2,Spray cooling water tank: Long cooling unit ensures high efficiency cooling, Unique pipe line ...