HG/T 20592  法兰 SO 15-16 RFSCH40/130f3/public/common/qq.png

wn25(b)-150 rf b=01æ—&am

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

47