... Technique parameter of kechuang medium frequency induction braze welding machine XZ-40B: Model typeXZ-50BInput power50KVAInput voltage380V 50HZMax ... ).Digital auto-control,it has the function of manual,automatic and heating-keeping-cooling divide period to control. 3 ... in,heat seal,powder applicating,embedding plastic to metal,etc. Full Automatic Medium Frequency Induction Braze Welding Machine XZ-50B