Materials: a) Steel tube (low-carbon steel): type O and D b) Welded tube, 1.5mm thick c) Intermediate round tube: 20mm, 22mm, 25mm d) Seamless welded tube: 1.2mm thick e) Surface treatment: plastic-sprayed 50μm thick 3) Pressure: 15 bar 4) Welding: brass 5) Color: blue Inner packing: Plastic Outer packing: 1pc/ctn
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