post-welding heating treatment equipment,post-welding heating,post-weld heating treatment,post welding heating treatment equipment.MYD Series pipeline heating equipmentModel: MYD-20KW, 30KW, 40KW, 60KW, 80KW,100KW Input voltage: 3x380VFrequency range: 3KHz-40KHzDuty cycle: 100%Air cooling MYD Series air-cooled DSP control pipeline heating equipment, mainly for pre-heating & post-welding heating treatment, stress relief, pipeline heating, pipeline transportation of crude oil heating, It can also be used for all kinds of metal parts pre-heating & Postweld heating treatment, elimination of hydrogen, thermal heating and other special techniques. Induction coil are made of high temperature wire or water cooling cable. It is easy to suit various shape of parts for heating and operating.The heating system can also be directly connected to the temperature recorder to trace the heating process.