HG/T 20592  法兰 PL 300(B)-2.5 RF0undefi

PL 300(B)-2.5 RF0undefi

SO 50-16 RFRF S=10

WN 1 1/2"-150 RF S=1.65CHXXS

WN 80-300 RF Sch10S

WN400-25 RJS R

wn15-300 G=1=525040m.19В°wn10360 RJF500-1500RJ5Sch40s=60)0/

BI 1500f=8f=7F=6

PL 500(B)-6 RF00-16rf rf

WN150B-150 RF/l5

WN 65-16RFุฐ�