1. Material: Q235
2. Anti-corrosion Treatment: Electro-galvanizing, Hot-dip Galvanizing

适用规范要求

1. Water supply & drainage systems include fire water pipes, automatic sprinkler pipes, water supply pipes, air-conditioning water pipes, etc.
2. For high-rise buildings with seismic fortification intensity of 8 or 9 degrees, when the straight length of vertical water supply/drainage pipes exceeds 50m, anti-seismic measures shall be appropriately adopted.
3. When the straight length exceeds 100m, anti-seismic measures shall be adopted.
4. Indoor water supply, hot water and fire protection pipes requiring seismic protection, with horizontal pipes of diameter ≥ DN65.