Spiral finned tube (also known as finned tube, finned tube welding equipment performance and parameters of fin tube main performance indicators are shown in the table, the products comply with HG/T3181 the high-frequency resistance welding of spiral fin tube "and JB/T6512" boiler with high frequency resistance welding of spiral fin tube manufacturing technical conditions "requirement. The performance parameters of the welding equipment of the spiral finned tube Welding power source (W) 300 Maximum spindle speed (RPM) 300 The welding pipe diameter (mm) ~ Phi Phi 25 168 Thickness of welded steel pipe (mm) 2 to 10 Length of welded steel pipe (m) 0.5 to 25 The width of the welded fin (mm) 13 to 30 Thickness of the welded fin (mm) 0.8 to 2.5 Fin pitch (mm) 4 to 90 Open tooth pitch (mm) 4.5 ~ 8 Weld line speed (m/min) 35 Spiral to the left and right. Welding material carbon steel, low carbon steel, stainless steel Main performance index of fin tub
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