GB/T 9124.1  法兰 DN800-PN10 IF RF Ⅱ rjSch400(B)-

DN800-PN10 IF RF ⅡrjSch400(B)-

SO 32(B)-25 RF=500ce/F SCH40SRFM0r WN300-25

SO 10"-150 RF30rf50=12&8 h1=7jm

WN 15-300 Gh8ch82.5/48-13

WN 100(B)-40 RF S=3Lh40200901-25RF3FSh6

WN 300(B)-25 RF S=8=1

wn15(b)-25 ff061552 H=181sr80 S/c2

BL 250-63 RFF