墊片選用常用標準
墊(dian)片(pian)(pian)選(xuan)用常用標準如下:1.墊(dian)片(pian)(pian)標準 ①.ASMEB16.20《管(guan)(guan)法(fa)(fa)蘭用環墊(dian)式(shi)、螺旋纏繞(rao)式(shi)和夾層式(shi)金(jin)屬墊(dian)片(pian)(pian)》 ②.ASMEB16.21《管(guan)(guan)法(fa)(fa)蘭用非金(jin)屬平墊(dian)片(pian)(pian)》 ③.JISB2404《管(guan)(guan)法(fa)(fa)蘭用墊(dian)片(pian)(pian)尺(chi)寸(cun)》 ④.GB/T4...