GB/T 12459  异径三通 DN 1000×1000×350-Sch160TR

DN 350×350×1000-Sch160 TR

WN 80(B)-16 RF S=6000-FfmF150-1r-02

WN 200(B)-40 FM1=30G S= S=-16F.0/68-12s/u0r50 rf9 pl5

PL25(a)-16 RF=16

PL150(B)-10RF|5-150rfD=11/T2926rf50F SCH

BL500-6RF16 WN90008

SO 80(B)-40 gb=F

WN15(A)-16 RF d1H=4401 b=300be2.0

WN