Bobin Heater Bobbin Heaters Bobbin type heaters are used with an external pipes usually for oil and gas heating, the main advantage is easy replacement and very efficient.The heating element is supported by the refractory bobbins.Bobbin heaters are also supplied with protection tubes.Element wire material: NichromeHeater Sizes: Ø 25, 30, 35, 42 mmType of Termination: Threaded, CableSheaths: SS 304, SS 316, SS 310, INCONEL 800, TITANIUMMaximum Temperature: 300°CVoltage: 120, 230, 415V