... CApplicationDeep heating,annealing,tempering annealing,tempering and surface hardening for small workpieces small gear quenching,heating, welding ,and ... hardening Small gear quenching .heating.welding.thermal assembling for medium diameter tubing Model numberOutput power(KVA)Frequency( ... 60Hz50CYP-5050100CYP-7070110CYP-9090150CYP-130130210CYP-160160240CYP-200200330 Machinery for metal thermic treatment