to relay temperature readings to a digital control panel that cycles and maintains the desired target temperature. Often a high limit sensor is also used to help protect liquid mediums from over heating and, offers protection to the flange heater as well.?2. Specification(1) Material: SUS304, SUS316, Copper, Incoloy800&840, Titanium(2) Standard Tube diameter: 6.6mm, 8.0mm and 11mm(customized).(3) Volt&Watt: 380v 6000w(4) Total Length: 600mm(5) Flange: 120mm diameter(6) Flange thickness: 6mm(7)