HG/T 20592  法兰盖 BL 800(B)-2.5 FMb1= S=3RFfRFR0r50-63650-5g621000-1.6)-16RFA BL1

BL800(B)-2.5 FMb1= S=3RFfRFR0r50-63650-5g621000-1.6)-16RFA BL1

BL250(B)-40M40/ Sch1200S6

WNPL100-40 RF H0b1=3Sch4.620

SP-550(b)-

LWN25-300RF sch4)-16

WN80-300RFack=-2rpa

WN 100-150 RF Sch10S2Mf b=193’Tmpam6=206c245-300 δ1=101)-5 r/)-16

wn15-25 tFH