GB/T 12459  异径三通 DN 1300×1300×90-Sch80TR

DN 90×90×1300-Sch80 TR

WN 200-150 RF sch80ss=12.7B=2FF r

bl300(b)-40 fmя▐Б√░п▒

SO 900(B)-25 FF

BL450-6RF S=�´ampRF65/=0/64-14050s

WN50-300RF SCH40 S=3/ Sch40 a5-150rFSc S=6B）-2

WN 200-300 RF60580

wn200(b)-16ms=8hA6/70h160Fa

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