ppr pipe welding machine 1. Spec:For Dia20-160mm pipe 2.usage:PP-R,PE,PP-C, 3.power:600W ... install the heat die head which suitable the specification of pipe and wrenching by the hex key wrench. Generally, small ... and the red one turns off. It means that the machine has been on auto control condition, and can begin to ... 5°C, please extend the heat-up time 50%. PPR pipe and fitting of welding machine