straight seam tube welding machine, straight
2021-6-2 · Solid State High Frequency Welding Machine. Product Name: ERW pipe welding machine The ERW pipe welding machine (all-in-one machine) is designed for straight seam induction (contact) welding of steel tubes. It mainly uses IRFP460 (MOSFET) and DSEI60-06A (fast recovery diode), rectifier diodes, and modular Power …
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