Flanged Thermowell is mainly used for thermocouple. It uses a whole bar to drill, the wall thickness, shape could manufactured according to requirement. The flange is welded on thermowell with penetration welding, common used material including SS316, inconel 600, inconel 601 Monel 400.
It is matched with thermocouple(thermal resistance)and bimetallic thermometer to ensure their normal operation. It is also used for environment under high pressure or with high flow speed.