等径三通 DN 80-Ⅱ-3TS4/78-150=59 a=42 s=30/70-1/Nm

DN 80-Ⅱ-3 TS4/78-150=59 a=42 s=30/70-1/Nm

WN 25(B)-150 RF5-1

BL125-100 RF5h so/s=6

BL450(B)-16 RF K=58

BL450 -16 RF00 RF Sch80SF

HG/T20592-2009 WN65-16 RF 30

47023 fm1400-0.6/1CH1=17 B=48=26F/5.0/5=4.6sÃ

bl 450-40 RF

wn100-2500 rf sch120

WN80A-40R