HG/T 20592  法兰盖 BL 25(B)-16 RF

bl25(b)-16RF

PL65-16 RF b=3

WN 300(B)-25 RF S=4

1 FF 700-1.0 δs=6RF450(a)-16rfRFS=1

WN 250-16 RF SO-16 g/ B=S-f0-Æ3 sfFrum

SO 100-150 RF

WN200-150RFf0

SO 300(B)-40 RF

WN40(A)-25T-10RF002ch/Sch40fFM¡bl450-05RRJ-0/forum.

WN40(B)-100RJ/0(B)-10 δF