HG/T 20592  法兰 WN 15(B)-40 M.5/J-

WN15(B)-40 M.5/J-

WN 80-40 RF S=6

PL 25(A)-16 RF

耳座 C4

SO 6"-150 RF

BL 1"-900 RF

BI 600.6´1=100 RF.

WN80(B)-16 RF

WN 80-600 RF

wn25-150 g 80s s=4.550rf sch80sⅡ FM S=25130002)-16 rf s/u0S��u06أ �RF Sch40RF16FF800f2/44-115 Sc