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GGP 100kw Solid State High Frequency Induction Heating Welding Machine

Solid-state high-frequency welding machine is an important equipment in the production of straight seam welded pipes.

Its function is to weld the weld of steel pipes. The production of pipes of different specifications requires high frequencies of different powers, ranging from 100KW to 1200KW to meet the different needs of customers.

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100kw SOLID STATE HF TUBE WELDER

The Solid-State High-Frequency (H.F.) Welder is engineered for efficient, high-speed pipe welding across a broad spectrum of tube sizes and wall thicknesses. With power capacities ranging from 60 kW to 1200 kW and operating within a frequency band of 200 kHz to 450 kHz, this welder offers both flexibility and performance for various production needs.

A typical solid-state H.F. welding system includes several integrated components: a rectifier switchgear cabinet, an inverter output unit, fiber-optic control links, a soft water circulation cooling system, a centralized control console, and a mechanical adjustment mechanism for precision setup.

Renowned for its user-friendly operation, minimal maintenance, and consistent weld quality, this system has become a preferred choice in modern tube and pipe manufacturing lines.

Read More About what are the three 3 types of welding machine

List of Equipment Supply

Equipment Description	Include	Quan.
One set of Solid State HF Welder	DC Power Unit	1
	Inverter Output Unit	1
	Central Control Unit	1
	Water-water Heat Exchange Unit	1
	Rectifier isolation transformer	1
	Air conditioner	1
	Output Leg	1

Designed Parameters for 100kw HF welder

Nominal Power	100KW
Rated DC power	Pd=120KW
The whole efficiency	η≥85%
Output power	Pout＞100kW
MOSFET inverter	60kW×2
With the adoption of water-water heat exchanger	Water-water cooling system
Pressure of inner circulation water	0.15~0.25MPa
Line-in cable	each phase adopts 95mm2 copper cable, 3-phase 4-line
Technical features	Technical features like- Display instrument digitization, Full digital rectifying control board, All digital inverter control board, Closed loop technology of speed power, Ethernet networking technology, Cloud control technology (optional).Suitable for continuous production of Longitudinal Welded tube and pipe production lines. Components of the Equipment:Solid State Induction HF Welder comprises SCR DC Power supply, H.F.inverter and water cooling unit (air-water or water-water heat exchanger)
Benefits of Solid State HF Tube Welders	Cost Saving: Uses less power which lowers the power bills. Quality Control: Quality of welding automatically is of top standard and has less incompleteness. Compact Design: Space-saving machines designed for optimized industrial use. Diversity: Able to work with multiple tasks including welding of carbon steel and stainless steel. Industry Expertise: With years of experience, we provides solutions tailored to industry needs. Custom Solutions: We provide solid state HF tube welders that are customized to specific customer needs. After-Sales Support: The dependable backup and repair services are in place to enable continuous services.
High-Frequency Generator	Provides 100kW output power with solid-state (transistor-based) or tube-based design.
Matching Transformer	Ensures impedance matching between the generator and welding load.
Induction Coil or Contact Head	Transfers high-frequency current to the pipe edges via induction or contact.
Cooling System	Includes water circulation and air-cooled systems to cool the generator and coil.
Control Cabinet	PLC and HMI interface for operation control, power adjustment, and fault diagnosis.
Impeders	Ferrite rods inserted inside the pipe to concentrate current at the weld seam.

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We provides all equipment to tube mill entry section:

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Automatic and Semi Auto Shearer & Butt Welder

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100kw Solid State Welders FAQs

What is the difference between solid-state and vacuum tube HF welders?

Solid-state welders use transistors (IGBT or MOSFET) and offer higher energy efficiency, better stability, less maintenance, and longer lifespan compared to vacuum tube welders, which are bulkier and require frequent replacement.

Can the 100kW HF welder handle different pipe sizes?

Yes, within the supported range . For larger pipes, a higher power welder may be required.

What happens if the cooling system fails?

Overheating will trigger automatic protection and shutdown to avoid damage. It's essential to maintain stable cooling water pressure and temperature.

How often do I need to replace the impeder?

Impeder life depends on pipe material and usage frequency. On average, impeder rods should be checked and replaced every 1–3 months for optimal performance.

How much power consumption should I expect?

The welder consumes about 100–110 kWh when running at full power. Actual power usage depends on pipe size, thickness, and production speed.

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