HG/T 20623A  法兰 WN 700-150 RF S=10

A WN 700-150 RF S=10

DN 50-Sch10S 45ELFB)-16RF150 RF B=41/H=205-

47023 FM1200-4.0/120-215

DN 1150×1150×25-Sch10 TRJ BL412FF

BI 750=hF(B)-110h440hread

SO40(B)-16 RF b=1

SO125(B)-25 RF b=4

3 FM 2100-1.0 δ0=14

WN 40(B)-25 M S=3-40RF

SO 450(B)-16 RF b