Your Professional PWHT Heater Supplier
Our goal is to become your true partner in the field of PWHT heater in China. Qingdao Shuimu Induction Heating Equipment Co.,Ltd is an high technical company specializing in the industrial heating service. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
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600℃ PWHT MACHINEMain Applications: l Preheat: weld heat,coating, spraying, bending, fitting&unfitting heat l Post-weld heat treatment: tank, boile, pipeline, steel sheet or other metal jobs l ...view more
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Post Weld Heat Treating EquipmentPost-weld heat treatment: Pressure vessel, boiler, shaft, valve, pipe and other metal workpiece after welding heat treatment.view more
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MYD Induction Heating System For Weld, Bending, Piping, C...Model and Technical Parametersview more
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Portable Rail Weld PWHT Heater Is Easy to Move and Use in...kinds of jobs heat treatment: pipeline weld heat treatment,induction weld heat treatment,electric weld heat treatment, pad weld heat treatment...view more
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Induction PWHT Heater Great Different from Ceramic Pad PW...Stress Relieving: By the time it's complete, the welding process can leave a large number of residual stresses in a material, which can lead to...view more
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Steel Structure PWHT Choosed by China Railway Qingdao Bri...Induction heater power size: 10-320kw, temperature: -40-800℃, heating speed:0-300℃/min, Frequency range: 3-30Khz. MYD series of induction heating system...view more
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Offshore Drilling Platform Weld Heat Treatment (PWHT) Wil...Offshore drilling platform weld heat treatment (PWHT) will be more popular in the future.In China, CNPC and CIMC RAFFLES introduce the induction heater...view more
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Popular induction Weld Heat Treatment Heater Wildly Appli...Kinds of heat treatment and heating treatment heater.pipeline weld heat treatment, induction weld heat treatment, electric weld heat treatment...view more
MYD series of induction heating system are used for weld, bending, piping, coating, fitting, stress relief, pre-weld heat and post-weld heat treatment Input Voltage: 380V, 3 phase, 50/60HZ Output Frequency: 2KHZ ~ 30KHZ Output Power: 2KW ~ 40KW Cooling: air cooled Heating Speed: 5-400℃ per minute Heating temperature range: -30℃-900℃ Heating parts size range:¢100-1500mmor equal Induction coil: 10-45meters long high temperature cable with air cooled Temperature recorder: 6 Channels for temperature controlling Thermocouple: K Type (5-45 Meters long link cable) Size: 800*560*1350mm Net weight: 120kg; Packing size:900*660*1560mm, Gross weight: 155kg. The option parts of induction heating system Induction heating power Induction coil (Clamp induction coil) or (Soft induction coil) Connection cable for the convenient to link the coil and the heating power Temperature controller PLC touch screen Temperature recorder with printer K type thermocouple&connection cable Insulation Blanket And other part. MYD series induction heater to compare the resistant heat: Uniform High Speed Energy Saving: 30-80% Features Air cooling: working well at -10℃-40℃ Induction heating power: To heat the work job with insulation blanket around it. High heating speed and heating efficiency with little energy lost. PLC touching screen: Intuitive to see and easy to operate. Soft induction coil: Easy to wind on different work piece. The Removable opening Induction coil: easy to operate and move. Temperature recorder: Record the whole heating curve. Temperature Controller: Heating according to the heating requirement details with the ±3℃ tolerance. Applications&using fields Our MYD series heating system are air-cooled induction heating equipment with DSP system. Their main applications are pipeline heat, pre-weld heat, post-weld heat treatment, stress relief, injection mold heating, annealing, etc. Pre-heat:for coating, bending, fitting&unfitting, weld. Post-weld heat treatment: tank, boiler or other metal jobs Heating: mold heating, shipboard, zinc bath, large& irregular metal parts Pipeline heat: pipeline oil, pipeline gas, pipeline water, pipeline petrochemical and other pipeline material The 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, mold, screw barrel industries,etc. PWHT-post weld heat treatment Steel sheet weld preheating&PWHT Post weld heat treatment of electric power pipeline Hydrogen and Stress removing of special pipeline Hydrogen and stress removing after welding of boiler pipeline Press vessel weld preheat and PWHT Rack plate weld preheat &PWHT Roll surfacing weld preheating and heat treatment
Our services:
In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.
Our certificate:
Our company won the 2016 Excellent Enterprise Recommended Brand Award issued by Qingdao Newspaper Media Group. Our company's series of portable electromagnetic heaters are air-cooled heaters with multiple patents.
Production market:
Our company's products are very popular in the market and have customers in both domestic and foreign markets. Our main sales markets are America, Europe, Asia and other countries.
Customization requirements:
We are well aware that customers' requirements are different, so our company can design and manufacture according to your specific heating needs.
Advantages of PWHT Heater

Enhanced durability:
Pwht helps to create more durable welded components by reducing residual stresses and improving material properties.

Improved corrosion resistance:
Pwht can improve the corrosion resistance of certain metals, especially in harsh environments.

Stress relief:
Pwht helps to relieve residual stresses caused by the welding process, which can lead to cracking or deformation.
Specification of PWHT Heater
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Items |
MYD-20KW Induction Heat Power |
MYD-10KW Induction Heat Power |
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Input voltage |
3*380V, 50/60Hz, 4 Wires |
3*380V, 50/60Hz, 4 Wires |
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Input Current |
1~30A |
1~15A |
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Output Current |
0~300A |
0~200A |
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Output Power |
1~20KW |
1~10KW |
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Output Frequency |
5~30KHZ |
5~30KHZ |
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Thermocouple |
K type |
K type |
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Temperature system |
Build in induction machine |
Build in induction machine |
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Heating Temperature |
Max650℃ |
Max500℃ |
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Size |
700 x 330 x 410 mm |
650 x 310 x 410 mm |
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Weight |
32kg |
26 kg |
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Induction Heating coil |
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Length |
10~20 M |
10~20 M |
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Diameter |
15 mm |
15 mm |
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Temperature |
-30~45℃ |
0~35℃ |
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Pipeline Size |
OD: 50~500mm Or equivalent |
OD: 50~400mm Or equivalent |
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Types of PWHT Heater
Oven-based pwht machines:
The pwht oven or furnace provides an electrical heating source in horizontal or vertical orientations. It accommodates weldments of various shapes and sizes, including in-situ weldments. A temperature controller or crictical control parameter (ccp) typically governs the machine.
Mobile pwht machines:
They are also called pwht heaters or machines without a specified mounting type. Mobile pwht machines are easy and quick to install at the pwht weld location. This reduces the need to transport weldments to a fixed pwht machine.
Pwht machines with vessels:
This type of machine treats the weldment in a pressure vessel. An advantage of the vessel type is that it can use inert gases or steam as transfer mediums.
Combustion heated pwht machines:
A portable or trailer-mounted furnace is an example of a combustion-heated pwht machine. This type conducts post-weld heat treatment using propane gas. The machine works independently from the gas supply, thanks to its portable gas cylinders.
Features of PWHT Heater
Low-temperature service: For facilities parts like pressure vessels, pipe links, and nozzles, where there's a chance of fluctuating low temperatures down to -50°C in impact test zones, it's vital to perform the PWHT to enhance ductility and toughness.
Welding of high-strength steels: High-strength low-alloy steels (for example, steel grades A515 Gr. 70, LS, FC, or A537, etc.) often have a complicated microstructure that leads to high residual stress levels after welding. To counter this matter, potentially brittle materials like high-strength steels must be welded steel links utilizing a high-strength steel PWHT machine.
Application of PWHT Heater
Preheat:
Weld heat,coating, spraying, bending, fitting&unfitting heat.
Post-weld heat treatment:
Tank, boile, pipeline, steel sheet or other metal jobs.
Inductionheat:
Mold heating, shipboard, zinc bath, large& irregular metal parts.
Pipeline material heat:
Pipeline oil, pipeline gas, pipeline water, pipeline petrochemical and other pipeline material.
Packing and Shipping of PWHT Heater
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Packing |
Wooden box |
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Shipping |
Shipped by road, sea, rail |
FAQ
Shuimu Induction is one of the leading and professional PWHT heater manufacturers and suppliers in China. In order to offer customers better equipment, we have introduced advanced equipment and technology into our factory. and now supplying you with a discount, we warmly welcome you to buy the cheap PWHT heater made in China with us, and to enjoy our low price and good service.
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