HG/T 20592  法兰 SO 500-16 RF b=5=740 c=82 h=190h1=12B S/3(B

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SOP FF 5K65A-1

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wn80(a)-150 rf h1=8 s=3.5 l=19 a=57rf0 RFh40s

wn65-600rfsf s=18a)-16 rffh80000S=1lC-RF S

SO600-150RF0TRF.

3 CFM 550-6.420δ0=

WN 20(B)-40 g14