1 More than 20 years of experience in induction heating industry.
2 Free test for choosing the machine model before purchase.
3 Product design research develop and maintain by the Duolin Engineer team,machine lifetime service.
4 Test the machine as customer heating requirements and aging more than 6 hours to guarantee the good quality.
5 Offer installation manual and troubleshooting guide .
6 Use famous brand components Infineon Omron Schneider to ensure quality of material
  • China Wholesale 3 Phase Induction Machine Manufacturers - Induction coil&Inductor – Duolin

    China Wholesale 3 Phase Induction Machine Manufacturers - Induction coil&Inductor – Duolin

    Products Description Duolin designs and produce custom induction coils. Induction coil is the output work head of the induction heating system, also called inductor. Induction coil use to connect the induction heating machine with the heating workpiece,it is made of cooper tube usually,can be use for induction hot forging,brazing,induction quenching and pipe bending…. Induction coil is a critical component of the induction system. Coil’s inductance should match with heating machine, to a...
  • China Wholesale Induction Heating Efficiency Suppliers - Closed type – Duolin

    China Wholesale Induction Heating Efficiency Suppliers - Closed type – Duolin

    Closed type Cooling water shall be free from impurities. DOT NOT use well water or river water .To prevent the scale formation, ensure good cooling result, and greatly reduce the failure rate,Soften Water or Distilled Water are strongly recommended as cooling water for induction equipment. Water or air cooling is very important for induction heating device, improves reliability of induction heating equipment, ensure the induction machine working long time and stable. it is easy to insta...
  • China Wholesale Handheld Induction Heater Suppliers - High frequency induction heating machine HGP-50 – Duolin

    China Wholesale Handheld Induction Heater Suppliers - High frequency induction heating machine HGP-50 – Duolin

    Products Description Power 30-300KW Work  Frequency 50-250Khz Digital display Constant power and current output Safe,Low voltage output PLC interface available for automatic work Wide inductance to connect with different heating coil 8 fault indicators to protect machine Water cooled induction power unit and transformer Technical parameter Model HGP-30 HGP-50 HGP-100 Rated Power Output 30KW 50KW 100KW Working Frequency 50-250Khz 200-400Khz 50-130Khz ...
  • China Wholesale Simple Induction Heater Circuit Pricelist - Induction forging machine – Duolin

    China Wholesale Simple Induction Heater Circuit Pricelist - Induction forging machine – Duolin

    Products Description Induction forging refers to use an induction heater to pre-heat metals before forging and forming.  Typically metals are heated to between 1,100 and 1,200 °C to increase their malleability and aid flow in the forging die. Induction produces less oxidation, easy to control heating temperature and time, heat rapidly, ensure good quality of forging work piece, protect tool of forging machine. Induction billet heating line for total heating Induction heating equi...
  • China Wholesale Eddy Current Induction Heating Suppliers - Ultrasonic frequency induction heating machine – Duolin

    China Wholesale Eddy Current Induction Heating Suppliers - Ultrasonic frequency induction heating machine – Duolin

    Ultrasonic induction heating equipment IGBT inverter used,high efficiency and low energy consumption Can work continuously with 100% duty cycle and set up 100% at any load Can replace convention heating method such as heating by flame coal salt bath gas and oil Work frequency 10-30Khz,power 30-250KW Digital display and compact design,light weight,easy for installation and operation Soft switch technology and prefect protection system enhance good reliability. Can equipped with infrared t...
  • China Wholesale Induction Heating Machine For Stainless Steel Quotes - High frequency induction heating machine HGP-50 – Duolin

    China Wholesale Induction Heating Machine For Stainless Steel Quotes - High frequency induction heating machine HGP-50 – Duolin

    Products Description Power 30-300KW Work  Frequency 50-250Khz Digital display Constant power and current output Safe,Low voltage output PLC interface available for automatic work Wide inductance to connect with different heating coil 8 fault indicators to protect machine Water cooled induction power unit and transformer Technical parameter Model HGP-30 HGP-50 HGP-100 Rated Power Output 30KW 50KW 100KW Working Frequency 50-250Khz 200-400Khz 50-130Khz ...
  • China Wholesale Electric Induction Forge Factories - DI water cooling system – Duolin

    China Wholesale Electric Induction Forge Factories - DI water cooling system – Duolin

    DI water cooling system Cooling water shall be free from impurities. DOT NOT use well water or river water .To prevent the scale formation, ensure good cooling result, and greatly reduce the failure rate,Soften Water or Distilled Water are strongly recommended as cooling water for induction equipment. PH: 7-8.5 Suspended solids<10mg/L Hardness<60mg/L Conductivity<500μA/cm3 Chloride ion:Average<60mg/L Sulfate ion<100mg/L Iron<2mg/L Solubilitysio2<6mg/L Dissolved solid<300mg/L ...
  • China Wholesale Induction Forge Blacksmith Manufacturers - 250KW induction heater – Duolin

    China Wholesale Induction Forge Blacksmith Manufacturers - 250KW induction heater – Duolin

    Products Description 1:Good start up performance:IGBT MF induction power supply apply series resonance technology so it can be starts up 100% under any condition. 2:Less indterface to power grid:Less harmonic current and high power factor,Power factoer remaining 0.95 above during machine running 3:Low energy consumption: in series resonant circuit,voltage at inductor high and current low so energy loss is very low ;Soft switch technology applied then switch loss is very low 4:Water coole...
  • China Wholesale Heat Treatment Machine Pricelist - High frequency induction heating machine HGP-50 – Duolin

    China Wholesale Heat Treatment Machine Pricelist - High frequency induction heating machine HGP-50 – Duolin

    Products Description Power 30-300KW Work  Frequency 50-250Khz Digital display Constant power and current output Safe,Low voltage output PLC interface available for automatic work Wide inductance to connect with different heating coil 8 fault indicators to protect machine Water cooled induction power unit and transformer Technical parameter Model HGP-30 HGP-50 HGP-100 Rated Power Output 30KW 50KW 100KW Working Frequency 50-250Khz 200-400Khz 50-130Khz ...
  • China Wholesale 15kw Induction Heater Suppliers - Ultrasonic frequency induction heating machine – Duolin

    China Wholesale 15kw Induction Heater Suppliers - Ultrasonic frequency induction heating machine – Duolin

    Ultrasonic induction heating equipment IGBT inverter used,high efficiency and low energy consumption Can work continuously with 100% duty cycle and set up 100% at any load Can replace convention heating method such as heating by flame coal salt bath gas and oil Work frequency 10-30Khz,power 30-250KW Digital display and compact design,light weight,easy for installation and operation Soft switch technology and prefect protection system enhance good reliability. Can equipped with infrared t...
  • China Wholesale High Frequency Induction Hardening Quotes - 250KW induction heater – Duolin

    China Wholesale High Frequency Induction Hardening Quotes - 250KW induction heater – Duolin

    Products Description 1:Good start up performance:IGBT MF induction power supply apply series resonance technology so it can be starts up 100% under any condition. 2:Less indterface to power grid:Less harmonic current and high power factor,Power factoer remaining 0.95 above during machine running 3:Low energy consumption: in series resonant circuit,voltage at inductor high and current low so energy loss is very low ;Soft switch technology applied then switch loss is very low 4:Water coole...
  • China Wholesale Induction Pipe Bending Machine Factories - Ultrasonic frequency induction heating machine – Duolin

    China Wholesale Induction Pipe Bending Machine Factories - Ultrasonic frequency induction heating machine – Duolin

    Ultrasonic induction heating equipment IGBT inverter used,high efficiency and low energy consumption Can work continuously with 100% duty cycle and set up 100% at any load Can replace convention heating method such as heating by flame coal salt bath gas and oil Work frequency 10-30Khz,power 30-250KW Digital display and compact design,light weight,easy for installation and operation Soft switch technology and prefect protection system enhance good reliability. Can equipped with infrared t...
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