HG/T 20592  法兰盖 BL 25-16 RF07Fb=50h40=4PL10S=4f=25352 R

BL25-16 RF07Fb=50h40=4PL10S=4f=25352 R

WN80(B)-25RFF=210/1000=RFS8RF1380008RF¸�47023 rf101=

SO25B)-150 RF=11.1SF b=6ru H=901352

bl15(b)-100fm00c2/L8RF S=101=3 b=

wn80(b)-16mfm500-0

PL25(B)-16 RF5000

WN25 B)-63 RF/J S=RfmS=5.6 D=232xt20-150 RF

4702