Induction Case hardening for Roller,Shaft,Gear,Pin ball joints; Good Quality;GBT induction technology; Environment friendly ApplicationThis Induction Superficial Heat Treating Equipment is suitable for large size of Roller,Shaft,Gear,Pin ball jointsSpecification Rated Power output(KW)200KWPower source required250KVA Frequency rang(KHz)0.5-10KHZVoltage range342~430V3 phase input(V/Hz)380V/50HZ ...