EXWELD sigma3 EC TWISTY is a control system, used for controlling the as well as managing the air and extrudate temperature. This is highly suited for the manufacturing of reservoirs, pipeline construction, ventilation, tanks, containers and plastic apparatus. This is also beneficial for the landfill, automotive and roofing technology. EXWELD sigma3 EC TWISTY is offered with cold start protection. The external air supply is accessible with the help of air heaters. The turnable welding shoe support is provided for ensuring a flexible modification of the welding direction. This ensures easy operation with adjustable front handle as well as exchangeable PTFE welding shoe.