... 110 3.Pressure Rating: 2.5MPa PPR Pipe Hot Fusion Welding MachineHot welding machine uses electric melting connection with welding dies. Put ... walls result in low pressure loss and high volumeHot welding machine working power and diameters:1) 600W, 20-32mm2) 800W, 20-63mm3 ... ) 1,500W, 75-110mm PPR Pipe Hot Fusion Welding Machine, High grade aluminum ...