GB/T 12459  异径三通 DN 1500×1500×90-Sch140TR

DN 90×90×1500-Sch140 TR

B WN 700-150 RF S=12

A WN700-900 Rj

wn15(a)-40 g s=3-0.6F∞¬†9�⌠е S=6400/64M(b)-S S80

wn32(a)-16mB=77/70

pl50b-6rf1

so 30b-10 M RF5=435oru/16/4

BL 600-10 RF

B WN1800-300 RF/005 r4.)-2/4240sF RFFJrjs)-2ef/ H=1

DN 300