HG/T 20592  法兰盖 BL 80-40 MF0t1m=7h0RF B4quothg20615 wSrfRF0

WN450(B)-40 RF S=14.2RJ Scdat66dF)-10

BL80-40MF0t1m=7h0RF B4quothg20615 wSrfRF0

WN 80(B)-100 RF r/ h= S=36z. R,N03.8

DN 1500×15-Ⅱ-6 RE140 rf0-RFSch4Sm0-150o100c3)sch40 a=3/00 RFF

SO 150(B)-10 RF6B)o100c3)sch40 a=3/00 RFF

SO 350(A)-10 RFSCH6tF0Į