化工系统橡胶接头 DN200 PN16 DN150 PN16 DN300 PN16 技术参数？
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化工系统橡胶接头 DN200 PN16 DN150 PN16 DN300 PN16 技术参数？
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板式法兰PN标记有12个压力等级分别为：PN2.5；PN6；PN10；PN16；PN25；PN40；PN63；PN100；PN160；PN250；PN320；PN400常见的板式法兰是板式平焊法兰。它具有良好的综合性能，取材方便，制造简单，成本低，使用广泛。#板式法兰 #板式平焊法兰 #板式法兰片 #板式法兰厂家 #法兰厂家
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板式法兰PN标记有12个压力等级分别为：PN2.5；PN6；PN10；PN16；PN…
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