... 2,Fast heat response 3,Various sizes Electric Flange Immersion Tube Heater Hongtai flange heaters, both round flange and square ... Stainless steel 304 is the normal material.Incoloy SheathAir heating, radiant heating, cleaning and degreasing solutions, plating and pickling solutions, ... please note the specifications as follows:1,Flange size and tube length, if have drawing will be very helpful2,Power ...