Single-head High-frequency Pipe Welding Machine

Product Introduction

The Single-head High-frequency Pipe Welding Machine is a welding device for plastic pipe joints, designed for small and medium-sized manufacturing workshops and enterprises. It adopts high-frequency resonant molecular fusion as the core technology, combined with dual-electrode (upper & lower high-frequency) welding method and pneumatic power system. It is equipped with basic fire and radiation protection to solve the problems of misalignment in small-diameter welding, joint leakage due to insufficient pressure resistance, and high adaptation costs for multi-material pipes.

Equipped with a 27.12MHz industrial-standard high-frequency generator, the machine induces resonant frictional heating in the molecules of thermoplastic pipes such as PU, TPU, PVC, PE, EVA and TEPG via electromagnetic fields. Combined with custom molds, it achieves joint fusion, with weld strength reaching more than 95% of the base material. It meets the sealing requirements of small-scale industrial oil transfer, municipal water supply and drainage, agricultural irrigation and other scenarios. Two power options (5KW/8KW) are available; mold changes require no specialized tools. Targeted at different material characteristics, the machine can adjust energy output to avoid material performance degradation.

Product Features

Full-material Compatibility: Compatible with mainstream thermoplastic pipes including PU, TPU, PVC, PE, EVA and TEPG-one machine meets multi-category production needs for small and medium capacity.

Dual-electrode High-frequency Welding: Upper & lower dual-electrode high-frequency welding ensures better fusion efficiency and stability; welded joint performance is basically the same as the base material.

Pneumatic Power System: Pneumatic power makes operation labor-saving and pressure-controllable, suitable for welding different pipe diameters.

Basic Safety Protection: The machine body is equipped with a flame-retardant material shell (fire protection), and the high-frequency working area is equipped with a shield (reduces radiation leakage), ensuring basic workshop operation safety.

Easy-to-operate: A foot-operated start switch and knob-type parameter adjustment allow ordinary workers to operate independently after simple training.

Safety & Energy Efficiency: Equipped with basic spark suppression system, it reduces sparking probability during multi-material welding. The natural air cooling design eliminates the need for external cooling water, saving workshop operating costs.

Product Parameters

Item	YJ-WT-5KW	YJ-WT-8KW
Power	5KW	8KW
Voltage	380V 50/60Hz	380V 50/60Hz
Frequency	27.12MHz	27.12MHz
Input Power	8KVA	15KVA
Rectifier	Silicon Diode	Silicon Diode
Electron Tube	7T85RB	7T69RB
Welding method	Dual electrodes (upper and lower high frequencies)	Dual electrodes (upper and lower high frequencies)
Power system	Pneumatic	Pneumatic
Upper Size	120*300MM	120*300MM
Lower Size	300*400MM	300*400MM
Machine Weight	400KG	400KG

Place Detail Page Pictures

Application Scenarios

Small & Medium Industrial Fluid Transfer: Welding of PU oil-resistant oil pipes, TPU high-pressure pneumatic hoses, PE chemical pipeline joints, and small instrument connection pipes.

Small Municipal/Engineering Projects: Welding of PVC water supply pipes, PE drainage pipes, and emergency splicing of small-project pipelines.

Agricultural & Horticultural Use: Welding of PE field irrigation pipe joints, TPU precision drip irrigation pipes, and sealing of garden spray system pipe connections.

Civil Products: Welding of PU/TPU inflatable toy air pipes, small sports equipment connection pipes, and EVA rubber and plastic hoses.

FAQ

1.Question：Do I need specialized tools to replace molds for pipes of different diameters and materials?

Answer: No. The mold adopts a quick-release structure, which can be installed and removed manually. A dedicated maintenance wrench is included with the equipment.

2.Question：When welding flexible pipes such as EVA and TEPG, will there be insufficient welding strength or deformation?

Answer: No. The machine has preset exclusive welding parameters for materials such as EVA and TEPG, combined with a temperature control system, which can not only ensure fusion strength but also avoid pipe deformation due to high temperature.

3.Question：What is the fire and radiation protection of this machine?

Answer: The machine body is equipped with a flame-retardant material shell (which can delay the spread of open flames), and the high-frequency working area is equipped with a shield (which reduces high-frequency radiation leakage). It is a basic safety protection configuration for industrial equipment.

4.Question：Do I need to replace the mold when welding pipes of different materials (e.g., a mix of PU and EVA)?

Answer: No mold replacement is required, only fine-tuning of high-frequency power and welding time. Recommended parameters for common materials such as PU, TPU, PVC, PE, EVA and TEPG are provided in the operation manual, and you can also contact technicians for precise parameter schemes.

5.Question：What are the advantages of this machine's welding method?

Answer: It adopts upper & lower dual-electrode high-frequency welding, which ensures more uniform fusion and more stable weld sealing and strength, suitable for precision welding of small and medium pipe diameters.

6.Question：What is the maximum pipe diameter that this machine can weld?

Answer: It is suitable for thermoplastic pipes with φ8-80mm; parameters can be adjusted according to pipe material and thickness.

7.Question：Do I need a professional certificate to operate this machine? Is the daily maintenance process complicated?

Answer: No professional certificate is required; you can work after simple training from the manufacturer. Daily maintenance is very simple: just regularly wipe the mold surface and positioning fixtures, and check the line connections once a month.

8.Question：How long does it take from design to delivery for custom EVA and TEPG special-shaped joint molds?

Answer: The customization cycle is 7-10 working days. After providing pipe samples or joint dimension drawings, we will quickly issue a mold design plan and confirm it with you.

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