... :20,25,32,40-110 3.Delivery time:15days ppr aluminum pipeSize(mm):20,25,32,40,50,63Material:yanshan, south ... °C. When the product is taken out of the welding tool it cools down fast and facial solidification occurs, since it ... welding it doesn't resist to pressure.After the welding tool, the pipe and the fitting shouldn't be joined by ...