HG/T 20592  法兰 BLS 550-10 RFB/)-1DRF

BL(S) 550-10 RFB/)-1DRF

SO2"-300 RF

LWN40-150 RF=14hg/RFFF@F/@0(F ⅡN16 PL RF ⅡRFFMFF@4 Rch4755-R@0000O0@00 S rf 1-25Rs.5 RJ2h1RF6ScM Sch80F SCRF

WN40-900 RF S=7.14

so 40-150 RF

PJ/RJ 65-16 RFa)-10

wn400(b)-63fm24 RF Sch10

LWN100-150RF80mpa