GB/T 12459  异径三通 DN 350×350×250-Sch40TR5-2 WN300

DN 350×350×250-Sch40 TR5-2 WN300

3 FM 400-1.6/0.6

PL 16-16 RF/1PF1 s=1800-1.604Sch1

AXA-2 δ=825º“=127fs=3

3 M 450-1.8RF s0 rf=Sch4=F6 RFrf

wn15-300rfsch40/fm6-

WN 80(B)-25 RF

wn80-300m sch40s-1

wn200-100 rf hg/t20592-20096000-1-10RF0

47022 -rf