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 Induction Stud Heater Quotes - DI water cooling system – Duolin

    China Wholesale Induction Stud Heater Quotes - 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 Bar End Induction Heating Machine Pricelist - Induction soldering&welding machine – Duolin

    China Wholesale Bar End Induction Heating Machine Pricelist - Induction soldering&welding machine – Duolin

    Products Description Induction brazing is a process in which two or more materials are joined together with a filler metal by induction heating. Induction brazing is suitable for many metallic materials, with magnetic materials being heated more readily. There is specific benefit use induction heating for industrial brazing 1. Better joint quality because selective heating. 2. Reduced oxidation and acid cleaning 3. Faster heating cycles 4. Consistent results 5. Suitability for large...
  • China Wholesale Inductive Bolt Heater Factories - Induction soldering&welding machine – Duolin

    China Wholesale Inductive Bolt Heater Factories - Induction soldering&welding machine – Duolin

    Products Description Induction brazing is a process in which two or more materials are joined together with a filler metal by induction heating. Induction brazing is suitable for many metallic materials, with magnetic materials being heated more readily. There is specific benefit use induction heating for industrial brazing 1. Better joint quality because selective heating. 2. Reduced oxidation and acid cleaning 3. Faster heating cycles 4. Consistent results 5. Suitability for large...
  • China Wholesale Shaft Induction Hardening Machine Quotes - induction hardening machine – Duolin

    China Wholesale Shaft Induction Hardening Machine Quotes - induction hardening machine – Duolin

    Products Description Induction hardening  is a form  of heat treatment in which a metal part is heated by electromagnetic induction and then quenched, increase the hardness and brittleness of metal part. Induction hardening equipment is widely used for the surface or inner hardening of steel. Induction hardening process can be done in two different ways: static and scan hardening Advantages of Induction hardening • No physical contact hardening • Scan/ Stationary hardening • Short t...
  • China Wholesale Induction Heating Services Manufacturers - low frequency induction heating equipment – Duolin

    China Wholesale Induction Heating Services Manufacturers - low frequency induction heating equipment – Duolin

    Products Description 1: Work Principle: electromagnetic induction heating. 2. IGBT module and Inverting technology 3. Stable reliable and low maintenance cost. 4. 100% duty cycle, continuous working when maximum power output. 5. Digital Display of output power and heating current and work frequency. 6. Simple to install.  Offer documents help for installation and operation 7. Application: billet preheating before forging,induction hardening,pipe heating for bending 8: Low frequency high ...
  • China Wholesale Induction Heating Device Pricelist - induction hardening machine – Duolin

    China Wholesale Induction Heating Device Pricelist - induction hardening machine – Duolin

    Products Description Induction hardening  is a form  of heat treatment in which a metal part is heated by electromagnetic induction and then quenched, increase the hardness and brittleness of metal part. Induction hardening equipment is widely used for the surface or inner hardening of steel. Induction hardening process can be done in two different ways: static and scan hardening Advantages of Induction hardening • No physical contact hardening • Scan/ Stationary hardening • Short t...
  • China Wholesale Induction Heating Forge Suppliers - Closed type – Duolin

    China Wholesale Induction Heating Forge 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 Three Phase Induction Machine Factories - 250KW induction heater – Duolin

    China Wholesale Three Phase Induction Machine Factories - 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 Machine Manufacturers - Integrated Induction Power Unit – Duolin

    China Wholesale Induction Machine Manufacturers - Integrated Induction Power Unit – Duolin

    Products Description Integrated induction heaters is high performance at billet hot forging, matching with step feeder, chain delivery and three channel sorters, make up fully automatic production line which is high availability and heating efficiency. The induction generator are modular design, easily maintained, LED lights instruct user to find the fault and change the broken parts, All the components are designed for long work time and easily replace. Advanced converter technology ena...
  • China Wholesale 15kw Induction Heater Manufacturers - High frequency induction heating machine HFP-20 – Duolin

    China Wholesale 15kw Induction Heater Manufacturers - High frequency induction heating machine HFP-20 – Duolin

    Product Detail Power 7KW work frequency 50-100Khz Digital display and foot switch for easy cooperation Time set available for auto and manual work model 4 Fault indicators protecting and instructing easier to repair machine PLC interface available for automatic work The first generation of Duolin induction heating machine,stable and durable High frequency light weight and small size Power supply 220V single phase,home use is OK and easy for cooling Technical parameter Model ...
  • China Wholesale Induction Soldering Equipment Manufacturers - low frequency induction heating equipment – Duolin

    China Wholesale Induction Soldering Equipment Manufacturers - low frequency induction heating equipment – Duolin

    Products Description 1: Work Principle: electromagnetic induction heating. 2. IGBT module and Inverting technology 3. Stable reliable and low maintenance cost. 4. 100% duty cycle, continuous working when maximum power output. 5. Digital Display of output power and heating current and work frequency. 6. Simple to install.  Offer documents help for installation and operation 7. Application: billet preheating before forging,induction hardening,pipe heating for bending 8: Low frequency high ...
  • China Wholesale 3 Phase Induction Generator Pricelist - Induction soldering&welding machine – Duolin

    China Wholesale 3 Phase Induction Generator Pricelist - Induction soldering&welding machine – Duolin

    Products Description Induction brazing is a process in which two or more materials are joined together with a filler metal by induction heating. Induction brazing is suitable for many metallic materials, with magnetic materials being heated more readily. There is specific benefit use induction heating for industrial brazing 1. Better joint quality because selective heating. 2. Reduced oxidation and acid cleaning 3. Faster heating cycles 4. Consistent results 5. Suitability for large...
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