法兰 WN 200-150 M Sch40 D=340 K=295 N=235 A=219 S=10 C=40 H=78

WN200-150 M Sch40 D=340 K=295 N=235 A=219 S=10 C=40 H=78

WN65-40RF S=8

WNBL125-25 RF=4

WN32B-40RF

so25-150 rf sch80

wn15-300 rf sch80s4.0/64

hg/t20592-2009 pl400(b)-10 rf/

WNPL100-40 RF HG/T20592-

so25(b)-40mf

b wn700-600fm2.59

hg/t20592-2009+pl65(b)