HG/T 20592  法兰 SO 100(B)-40 G nb100-1.6/12 h=32 l=180(5F100-16 R

so100b-40g nb100-1.6/12 h=32 l=180(5F100-16 R

BL100(B)-16 RF R

WN150-600RF S=10

SO 65-300 Tfampamp B=4

BII2500-0.612 S=60ampamp

wn200(b)-16rf40ch48-

DN 200×200×1000-Sch100 TR

BI 500 h=51

47023 m650-2.50-66RFS S=981600-

PL200(B)-10 RFRF S=3FSrfRFF09