HG/T 20615  法兰 IF 100-150 RF S=3 HWN Sc

IF100-150 RF S=3 HWN Sc

WN25-150 RF SchSX0-1-1.6 δ=5 S=61M10f sEu00

1 RF 600-0.6 δs=10

pl300-300 rf1240=3M/B=60-10RF S=1225 RF

wn10-16gF0SRFsp0c6/u0016 1/6 RF b=4/15f00-40m

3 C4/0.641 rf

DN25-PN16 PL RF Ⅱ

wn50(a)-40 g60-1.

47021 FM 650-0.6S=1=0