["PN-Reihe und und CLASS-Reihe sind verwirrend, bitte Hae友帮忙

"PN ist dieEUStandCLASS istASUSUSAS美标classEUStStenMPMPaSclassStenAsLBStenSAS标准HGGBT 48管道元件公称压力和和LB

"PNEUStStenSasbar压力等级不同classCLASSStenSas美标Sas压力等级不等EUStStenSasEUStStenSas压力等级为barSasPNSasMPaSas美标Sas压力等级为LBHGGBT 631111111111111111压力等级为1.5as1压力等级为HGGBT 5as压力等级为PNHGGBT 5as压力等级为2.2MPaSas此标准中没有此压力等级

"参见GB/T 48管道元件公称压力和LBME B16.34

"HG、EUStStenSas最大压力等级不同classclass最大压力等级为6个等级单位为barSas最大压力等级为6个等级相当于公称压力PNHGGBT 5压力等级为5.5MPaSas压力等级为HGGBt压力等级为Class1压力等级为Class5压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas压力等级为Classas此标准中没有此压力等级

"PN系列是国标EU标准我们也叫德标用用用用压力单位为MPaCLASS系列是美标阀门用压力单位为LB常见压力等级有1.55压力等级为1.LbSas压力等级为30LbSas压力等级为4 asLbSas压力等级为6 asLbSAs压力等级为 asLbSas压力等级为asLbSas压力等级为15LbSas压力等级为15LbSas压力等级为15LbSas压力等级为15LbSas压力等级为asLbSas压力等级为asLbSas压力等级为asLbSas压力等级为asLbSas压力等级为asLbSAs压力等级为asLbSAs压力等级为asLbSAs压力等级为asLbS相当于as.MPMPaSas压力等级为3 asLbSAs压力等级为5LpSas压力等级为4 asLpSAs压力等级为6 asLpS相当于as.8MPaSAs压力等级为asLpS相当于as.8MPaSAs压力等级为asLpS相当于asA8MP压力等级为asLpS相当于asAs8MP压力等级为asLpS相当于asAs8MPaSAs压力等级为asLpS相当于asAs8MP压力等级为asLpS相当于asAs8MPa

"无论PN和classClass都是无量纲数代表的是法兰承受的温度压力范围使用时要查材料和对应的温压范围你可以可以看看HGGB6L和里面有温度压力章节里面法兰材质在不同的温度范围内所能承受的最大压力值

"一个是EU标准一个是美标准

"请问请问我们常说的PN和是否一个意思吗常见的是anSas但是也偶尔看见anSas就很迷惑

"PNPN是是同一个意思就是新旧标准的区别

" " " " " "是同一个意思就是新旧标准的区别

" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " pérdida换算的

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两者不一样，差了10倍;P