HG/T 20615  法兰盖 BL 25-300 RF SCH40Sb6¥so100(b)

BL25-300 RF SCH40Sb6¥so100(b)

2 B30 RF Sch80S0.1516 RFJ Sch806 RF

WN 15(B)-300FMf/ WN500(B)-25

DN65-PN16 SO RFRF1h80F0

3 M 800-2.5 δ0=10

B WN 30"-150 RF B=746.16

WN 40(B)-25 RF S=7.1

B WN 30"-150 RF B=Sch10S

WN40B-25FM S=12(

wn15(b)-160g6