GB/T 12459  弯头 DN 50-Sch4090EL8CH106 rfB)

DN 50-Sch40 90EL8CH106 rfB)

wn250-300t4hc8SJ-1670mp0m-0

WN50-150 RF Sch4160000615.5 h=ch0a@.5 RF

WN 80-150 RF S=27

so 80-16 rf.5R=3

47023 m1300-2.5/124-

wn50-150rf s.rf=101

3 RF 300-6.4 �00bRF C=

2 A6-1=77.1F D

PL150-25RF K19 S=40sSc160MF@4 ST �