... made of titanium, zirconium, SUS304 and SUS316 stainless steel tubes. Single tube metal heater (1). Made of titanium, zirconium, SUS304 and ... is dividing into vertical shaped, L-shaped and Z-shaped. (2). The surface power and tubes diameter is according to the ... . The voltages have 120V, 240v, 380v, 415v and 480v, single-phase and three-phase (according to clients requirements), Power range from 0.5kw ...