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ASME B16.23-2021 PDF Download
ASME B16.23-2021 | Cast Copper Alloy Solder Joint Drainage Fittings: DWV
ASME B16.23-2021《铸造铜合金钎焊排水管件：DWV标准》，2021年修订，针对建筑排水、排污、通气（DWV）无压系统用铸造铜管件提出完整技术要求。涵盖管件型式（45°/90°弯头、三通、P弯、S弯、清扫口、缩径管等）、钎焊插口尺寸（与ASTM B306 DWV铜管匹配）、壁厚等级、最小通径、公差、材料牌号（C84400、C84800等）、内外表面质量、铸造缺陷限值及标志要求。标准压力限定为5 psi（≈34 kPa），适用于住宅、商业及工业建筑的无压排水系统，保证长期耐腐蚀与低噪音运行。
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