HG/T 20592  法兰 WN 400(B)-25 G-10 A=48 rfrFrf10 RF-

wn400b-25g-10 A=48 rfrFrf10 RF-

PL150-25 RF101.FH-1=92�5 A=

支腿 A31=bS=1b)

WN 100-600 RJ B=102.3B1=C

WN350-600RF SCF1000-0.60RFR1r520 s=F S1500 MFM400RF2

WN 150-150 RF4s=126�½ rf smmmpamhF0S0F015�└я┌б2

wn50-1500fmsç�5 A=48 rfrFrf1