HG/T 20592  法兰盖 BL 150(B)-100 RFf6RFfRh10S101

bl150(b)-100rff6RFfRh10S101

wn300(b)-25 m s=10

SO80(B)-16RF

WN 500-900 FF S=7ampam

WN 3"-300 RF Sch40S

BL300(B)-10 RF

PL 150(B)-16 FF

BL 25-150 RF

LWN 2"-150 RF Sch40S Y=100

WN 80-300 RF S=12.55aa000-1.06-10 RFuot;mpampamp Sch8000000mpRJРF