4 ″ IPS to 12 ″ DIPS (110mm - 340mm)

McElroy's Rolling 412 hot melt machine changed the industry when it was introduced as the world's first fully autonomous fusion machine. Today, the Rolling 412 can be ordered with an electric or gasoline engine on a wheeled chassis that offers easy on-site maneuvering. A hydraulic pipe clamping option is also available.