MYD Series 20KW Induction Heating Equipment for Heavy Machine Steel Plate Weld Preheat
A 20kW induction heating equipment is a type of heating system that uses electromagnetic induction to heat metals or other conductive materials. It consists of a high-frequency power supply, a coil, and a water cooling system. The power supply generates a high-frequency electric current that passes through the coil, creating a magnetic field. The magnetic field induces eddy currents in the metal or conductive material, which generate heat and cause the material to become hot. 20kw induction heating equipment is widely used for offshore platform steel structure weld preheat, platform steel structure weld preheat, railway bridge steel structure weld preheats, bridge steel structure weld preheats, railway track welding preheating, pipeline heating before welding pipeline weld heating.
MYD Series 20KW Induction Heating Equipment for Heavy Machine Steel Plate Weld Preheat
A 20kW induction heating equipment is a type of heating system that uses electromagnetic induction to heat metals or other conductive materials. It consists of a high-frequency power supply, a coil, and a water cooling system. The power supply generates a high-frequency electric current that passes through the coil, creating a magnetic field. The magnetic field induces eddy currents in the metal or conductive material, which generate heat and cause the material to become hot. 20kw induction heating equipment is widely used for offshore platform steel structure weld preheat, platform steel structure weld preheat, railway bridge steel structure weld preheats, bridge steel structure weld preheats, railway track welding preheating, pipeline heating before welding pipeline weld heating.
The 20kW rating indicates that the equipment can generate a maximum power of 20 kilowatts, making it suitable for heating small to medium-sized metal parts. The water cooling system is crucial to prevent the equipment from overheating during prolonged use. 20kw induction welding preheat equipment is a highly efficient and precise method of heating, as it can quickly heat the desired area of the material without affecting the surrounding areas. This makes it useful in a wide range of industrial applications, including metalworking, welding, and heat treatment.
![]() |
![]() |
MYD-20KW Induction Welding Preheat Equipment Technical Parameters
| Items | MYD-20KW Induction Heater Equipment | MYD-10KW Induction Heater Equipment | |
| Input voltage | 3*380V, 50/60Hz, 4 Wires | 3*380V, 50/60Hz, 4 Wires | |
| Input Current | 1~30A | 1~15A | |
| Output Current | 0~300A | 0~200A | |
| Output Power | 1~20KW | 1~10KW | |
| Output Frequency | 5~30KHZ | 5~30KHZ | |
| Thermocouple | K type | K type | |
| Temperature system | Build-in induction machine | Build-in induction machine | |
| Heating Temperature | Max800℃ | Max500℃ | |
| Size | 700 x 330 x 410 mm | 650 x 310 x 410 mm | |
| Weight | 32kg | 26 kg | |
| Induction Heating coil | |||
| Length | 10~20 M | 10~20 M | |
| Diameter | 15 mm | 15 mm | |
| temperature | -30~45℃ | 0~35℃ | |
| Pipeline Size | OD: 50~500mm or equivalent | OD: 50~400mm or equivalent | |
Weld Preheat Induction Heating System Compositions:
1. Induction heating power
2. Induction coil
3. K thermal couple(To test the temperature)
4. Temperature recorder(To keep the recorder and print on site. Used for PWHT)
5. Insulation blanket(To set between the job and coil. To protect the coil and reduce the heat loss)
6. Extend cable for coil( To meet the distance between the job and the heating power)
7. Thermalcouple extend cable( To meet the distance between the job and the heating power)
8. Chiller for coil or heater(To protect the water cooling cable coil)
Weld Preheat Induction Heating Equipment Features
Air cooling: Convenience to install.
Temperature recorder: Recording the whole heating curve and print it
Soft induction coil: Easy to wind on different working pieces.
Temperature Controller: Keep the heating process the same as the post weld heat treatment requirement.
PLC touching screen: Intuitive to see and easy to operate.
Induction heating power: High heating speed and heating efficiency, electrical energy Saving
Quickly heating speed: It can reach 850 degrees C within 1 hour. Save heating times.
Electrical Power Saving: Can save more than 50% electrical power compare compared to conventional preheating and stress relieving methods
Weld Preheat Induction Heating Equipment Main Applications:
● Preheat: weld heat, coating, spraying, bending, fitting&unfitting heat
● Post-weld heat treatment: tank, boiler, pipeline, steel sheet, or other metal jobs
● Induction Heat: mold heating, shipboard, zinc bath, large& irregular metal parts
● Pipeline material heat: pipeline oil, pipeline gas, pipeline water, pipeline petrochemical, and other pipeline material
![]() |
![]() |
| Induction Heating Equipment for Offshore Platform Steel Structure Weld Preheat | Induction Heating Equipment for Platform Steel Structure Weld Preheat |
![]() |
![]() |
| Induction Heating Equipment for Railway Bridge Steel Structure Weld Preheat | Induction Heating Equipment for Pipeline Heating Before Welding |
Induction Heating Equipment Manufacturers & Suppliers
WLY has been a professional manufacturer of induction heater company in Hangzhou City, China, since 1999. Our induction heating equipment specializes in Metal Weld Heating, Post Weld Heat Treatment(PWHT), Thermal Assembly, Fluid Heating, and Non-ferrous Metal Melting Furnace design and manufacture. Our main induction heater(induction heating equipment) product used for Pre-heating: for coating, bending, fitting, unfitting, and welding. Post-welding heat treatment: tank, boiler or other metal jobs. Heating: mold heating, shipboard, zinc bath, and large & irregular metal parts. Pipeline heating: pipeline oil, pipeline gas, pipeline water, pipeline petrochemical.
The induction heater using fields involved are petrochemical, oil and gas pipelines, aerospace, shipbuilding, steel, tanks, boilers, vessels, pressure vessels, cylinders, metal structure, spatial structure, railway bridges, electricity water, mine construction, vehicle manufacturing, nuclear power, mining, plastics processing, energy saving process, casting, mold, screw barrel industries, etc. We supply heat calculation, scheme design, heating machine and coil ODM, and OEM service. We have sold our induction heating equipment machine to many countries and used it very well. Such as the USA, Germany, Japan, Russia, India, Italy, South Korea, Indonesia, Malaysia, and Singapore.
![]() |
![]() |
Additional information
| Editor | Yjx |
|---|
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.
Industries We Service














