NB/T 47022  法兰 RF 600-1.6-16R=0FMA=27 N=de

2 RF 600-1.6-16R=0FMA=27 N=de

WN 25(B)-40 RF S=8FS1M0-1501=f6/5458b-F0e50/52

WN 50(B)-10 RF Sch80Sf0/R0150RF6 FFS=3=h40mpJ S

aWN1500-300 RF/20-

wn80(a)-150 rf sch10s3Mrs

WN20-150RFSch160-16 RF6 RF S=

WN 100(B)-25 M S=16

WN400-150FMδ=46 h=110-2.5