NB/T 47023  法兰 RF 1600-4.0/20�05 k=3556f s0 RF BS=8FH.

3 RF 1600-4.020�05 k=3556f s0 RF BS=8FH.

PL 300(B)-16 RF)-f54-110S16/4/140-245sch= RF)-16 RF S=5RF

WN 100-300 RF Sch80

SO 100(B)-16 RF0h80353FfRF13C=16 δ0=

BL80-40 RF S=20-23B1 C=

47065.2 A3150 R1=¨â(a)-16r=5 A=/2

47023fM400-4 50h80 S160-f6FM

b