NB/T 47022  法兰 T 1600-0.25/20δ1=0=0150o.5)-16fR0L0ƒÂ

2 T 1600-0.2520δ1=0=0150o.5)-16fR0L0ƒÂ

PL 300-6 RF=23 f1=3 (b)-16rfFR hg/Sch1=-1

WN20-150 RF S=3.5 SCH40120-140a/46-1050ch80s-h07F S=6 Rrmpam=10

bl500(B)-150rf45 B=62ƒ92-25h80S1 Sc9n68-17F=12.0f

wn80 b-160rf k=950

WN 80-900 RJ Sch120b)-25 m03RF