AUTO PPAW-(RFC) automatic pipe welding machineis able to realize automatic Pipe root pass, fill and cap pass, whenintegrated with mature welding technology automatic TIG/MIG/SAW in the same one machine, it is the first choice of automaticbutt seampipe and pipe fittings welding. This automatic pipe welding machine is patemt design, zero-balance, several models available for pipes and fittins from 2''-48''. Automatic TIG/MIG/SAW are optional, with high welding quality and efficiency, X-ray test qualification can be 99.9%, PLC control, easy to operate. It is widely suitable for multilayer & multipath high-efficient automatic welding of medium-low, medium-high, high pressure pipes with various materials (carbon steel. Low-alloy steel, stainless steel, high-alloy steel) .