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 Forging Power Unit Suppliers - Induction coil&Inductor – Duolin

    China Wholesale Induction Forging Power Unit Suppliers - 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 250kw Igbt Induction Heating Machine Manufacturers - Closed type – Duolin

    China Wholesale 250kw Igbt Induction Heating Machine Manufacturers - 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 High Frequency Induction Pricelist - Induction forging machine – Duolin

    China Wholesale High Frequency Induction 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 Induction Forging Equipment Suppliers - Induction forging machine – Duolin

    China Wholesale Induction Forging Equipment Suppliers - 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 Ih Induction Heater Suppliers - low frequency induction heating equipment – Duolin

    China Wholesale Ih Induction Heater Suppliers - 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 Industrial Induction Heating System Pricelist - low frequency induction heating equipment – Duolin

    China Wholesale Industrial Induction Heating System Pricelist - 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 Hardening Of Gears Manufacturers - Induction coil&Inductor – Duolin

    China Wholesale Induction Hardening Of Gears 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 Transformer Manufacturers - induction hardening machine – Duolin

    China Wholesale Induction Heating Transformer Manufacturers - 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 Heater Quotes - Induction coil&Inductor – Duolin

    China Wholesale Induction Heater Quotes - 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 Central Heating Manufacturers - Long bar heat treatment machine – Duolin

    China Wholesale Induction Central Heating Manufacturers - Long bar heat treatment machine – Duolin

    Products Description Long bar heat Treating is induction heating for bar hardening and tempering. Heat treatments available by induction hardening and tempering system, process includes heating and quenching, tempering and stress Relieving. Duolin long bar heat treating line can process bar diameter from 6-100mm, length from 1000-14000, meet small & big production capacity. Feature Environmentally-friendly:The main power for the induction heat treatment line is electric...
  • China Wholesale Ih Induction Heater Quotes - 250KW induction heater – Duolin

    China Wholesale Ih Induction Heater 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 High Frequency Induction Treating Furnaces Pricelist - Integrated Induction Power Unit – Duolin

    China Wholesale High Frequency Induction Treating Furnaces Pricelist - 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...
-->