HG/T 20592  法兰 PL 550-10 FF0-0.2�7

PL 550-10 FF0-0.2�7

pl32-16 rf.0F S

so 50-150 rf-4-

WN200(B)-63m�∙░4.M..5f/@fpampn

DN 500-Ⅱ-12 90ES

pl25-10rf hg/

WN 40-150 RFj&ampa

jb/@so100-300 rf352.5 &

» pl100(a)-10rf-

WN 25-150 RF sch，40s000MS=bb=11022 r=6 b RF/0RF4data5 RJ0S