Fin Tube

HFRW Serrated Spiral Fin Tube

At present, DNT owns 10 spiral fin tube finning machines (two of them are advance machine lines that are imported from JTC Korea), and 6 H-type fin tube finning machine. For spiral finning machine, the diameter we can do is from φ25~φ219, maximum length of tube can be 28 meters, material can be stainless steel, alloy steel, carbon steel, ND steel etc. For H-Type finning machine, the diameter we can do is φ32~φ51, maximum length of tube can be 16 meters, material can be stainless steel, alloy steel, carbon steel and ND steel etc.

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High Frequency Resistance Welding Spiral Fin Tube

At present, DNT owns 10 spiral fin tube finning machines (two of them are advance machine lines that are imported from JTC Korea), and 6 H-type fin tube finning machines. For spiral finning machine, the diameter we can do is from φ25~φ219, maximum length of tube can be 28 meters, material can be stainless steel, alloy steel, carbon steel, ND steel etc. For H-Type finning machine, the diameter we can do is φ32~φ51, maximum length of tube can be 16 meters, material can be stainless steel, alloy steel, carbon steel and ND steel etc.

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