ASME B30.27-2025pdf download
ASME B30 系列规范打包下载：https://fengshecad.com/804/
ASME B30.27-2025 混凝土材料放置系统（泵车、皮带输送机）安全标准 PDF下载
标准首次将“安全职责”明确到总承包、混凝土承包商、搅拌站、泵车操作员等每一方，规定臂架屈曲系数≥2.0、输送管壁磨损限值≤2 mm、液压系统过载阀开启压力≤1.1倍额定压力，并强制配置无线急停与末端软管防甩摆链，为高层泵送、大体积浇筑作业提供统一安全合规框架
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