... of titanium, zirconium, SUS304 and SUS316 stainless steel tubes. Single tube metal heater (1). Made of titanium, zirconium, SUS304 and SUS316 stainless ... PCB. The voltages have 120V, 240v, 380v, 415v and 480v, single-phase and three-phase (according to clients requirements), Power range ... complying with international inspection standards and ensure the electrical safety. Single tube metal heater