MYD induction heating machine for weld heat and heat treatment(PWHT)
1. Weld joint heating&heat treatment(PWHT):steel pipeline, steel structure and steel sheet
2. Heating and insulation: pipeline liquild, reactor,kettle, boiler, tank
3. Thermal assembly Heating: bearing, axle sleeve, engine motor and motor shell
4. Hot drying: food material, metal, printing film drying and heat-shrink film
5. Factory warming: oil, gas and water heating
6. Coating heating: pipeline, steel board
7. Melting: copper,aluminum,tin,zinc,lead
Differences between MYD Series and MYDS Series induction heater
Item | Power(KW) | PLC | Cooling type | Coil Cooling | Max Temperature | Power Size | Coil Length | ||
MYD | ≦360 | 10 | Air cooling Water≧100kw | Air for preheat Water for PWHT | 900℃ | 10-360kw | 10-50m | ||
MYDS | ≦360 | 4.3 | Air cooling Water≧100kw | Air | 600℃ | 2.5-360kw | 30-80m | ||
Item | USB: | DSP | Recorder Connector | Heating curve Storage | Thermocouple Connector | Remote control | Coil Connector | ||
MYD | √ | √ | √ | √ | √ | √ | √ | ||
MYDS | × | √ | × | × | √ | × | √ | ||
Main applications of MYD Series and MYDS Series induction heater
Item | Preheat | Weld heat | PWHT | Thermal Assembly | Reactor heating | Tank heating | Injection Mold heating | Water | Gas | Oil | Pipeline Liquid |
MYD | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
MYDS | √ | √ | × | √ | √ | √ | √ | √ | √ | √ | √ |
Difference between MYD induction heater and ceramic pad heating elements(Quick heating)
Item | Heat | Insulation | Heating elements | Heating lost | Speed | Efficiency | Uniformity |
Induction | Direct | Inner | Less hot | Less | High | High | More |
Ceramic | Transfer | Outer | Hot | More | Low | Low | Less |
Induction heating is an uniform heating with high speed and efficiency.

Induction Heating Speed Chart - Blanket Coil 10KW-1000*200mm
Thickness(mm) | Joint length(m) | Width (mm) | Weight(kg) | Temperature (℃) | Power cost (kw·h) | Theoretical Time(min) | power consumption(kw·h) | Actual time (min) |
10 | 1 | 200 | 15.6 | 100 | 0.2 | 1.2 | ≦0.3 | 1-2 |
20 | 1 | 200 | 31.2 | 100 | 0.4 | 2.4 | ≦0.6 | 3-4 |
30 | 1 | 200 | 46.8 | 100 | 0.6 | 3.6 | ≦1.2 | 4-7 |
40 | 1 | 200 | 62.4 | 100 | 0.8 | 4.8 | ≦1.6 | 6-10 |
50 | 1 | 200 | 78 | 100 | 1.0 | 6.0 | ≦2.5 | 8-15 |
60 | 1 | 200 | 93.6 | 100 | 1.2 | 7.2 | ≦3.3 | 12-20 |
70 | 1 | 200 | 109.2 | 100 | 1.4 | 8.4 | ≦4.1 | 15-25 |
80 | 1 | 200 | 124.8 | 100 | 1.6 | 9.6 | ≦5.0 | 20-30 |
90 | 1 | 200 | 140.4 | 100 | 1.8 | 10.8 | ≦6.0 | 25-35 |
100 | 1 | 200 | 156 | 100 | 2.0 | 12.0 | ≦7.5 | 30-45 |
Induction heating system compositions
1. Induction heating power
2. Induction coil
3. K thermalcouple(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 cablel( To meet the distance between the job and the heating power)
8. Chiller for coil or heater(To protect the water cooling cable coil)
Contact:
Ms. Kacy Meng (Cell:+86-13465321069)
Qingdao Shuimu Induction Equipment Co.,Ltd
Add: No.57 Xiangtan,Qingdao,China
Tel: 86-532-89980348
E-mail: sales@cmheat.com
Http://www.weld-heat.com http://cmheat.en.alibaba.com
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MYD series induction heater for weld preheat and post weld heat treatment(PWHT),hydrogen elimination and stress relief
MYD-10, 20KW portable induction heater for weld preheat and PWHT with recorder connector

MYDS-20, 40KW portable induction heater for weld preheat

MYD-40, 60,80KW induction heater for weld preheat, PWHT with recorder connector

MYD-40, 60,80KW induction heater for weld preheat, PWHT with recorder built in

MAIN APPLICATIONS OF MYD SERIES INDUCTION HEATERS
Weld preheat
Offshore Platform steel structure weld preheat
Platform steel structure weld preheat

Rack plate weld preheat &PWHT

Railway Bridge steel structure weld preheat

Bridge steel structure weld preheat

Railway track welding preheating

Ship board weld joint preheating

Cutter head of shield machine weld joint heating

Pipeline heating before welding

Pipeline weld heating

2. PWHT-post weld heat treatment
Steel sheet weld preheating&PWHT

Post weld heat treatment of electric power pipeline

Petroleum Pipeline PWHT

Rack plate weld preheat &PWHT

Hydrogen and stress removing after welding of boiler

Press vessel weld preheat and PWHT

Pipe flange weld joint heat treatment

Roll surfacing weld preheat and heat treatment
Valve surfacing post weld heat treatment

3. Pipeline coating preheat
Onshore pipeline coating heat

Pipeline coating preheat

Offshore pipeline coating preheat

4. Assembly and disassembly preheat
Turbine shaft assembly and disassembly preheat
Generator rotor assembly and disassembly preheat

Retaining ring removing heating

5. Reactor heating
Rubber oil refining reaction kettle heating
Oil and gas chemical reaction kettle heating-Explosion-proof chassis

6. Liquid heating
Industrial water heating and insulation - factory warm heating

Reaction gas pipeline heating

Boiler pipeline material heating and insulation
Industrial oil tank heating and heat preservation

Drinking water heating and insulation in food processing company

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