Hot-dip galvanized fluid pipe (for water supply/low-pressure gas).
1. Process: The black tube is fully hot-dipped galvanized, with a zinc coating thickness of ≥65μm, ensuring resistance to outdoor corrosion.
2. Applications: household water supply branch pipes, small air compressor gas lines, irrigation water pipes, small fire sprinkler branch pipes.
3. Construction: Can be threaded or screwed together. Compatible with DN15 fittings (the outer diameter of 20 corresponds to the nominal DN15/4 pipe).
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