Welding Equipment 1)Automatic root pass, fill, and cap pass Welding EquipmentSuitable for industries of: OIL AND GAS, REFINERY ... etc.Automatic small pipe welding station consists of welding manipulator, elbow welding machine, power source, self centering welding positioner and pipe support ... device. It is able to realize automatic pipe welding completely.Features:1. Automatic root pass, fill, ...