GB/T 29465  法兰 M 450-4.0/040-1

5 M 450-4.0040-1

BI 273 l1-10=250

a 2100-180-1610*32 RF/6 S=1M600-

so32B-16RFF S=6.5so80(b)-16rfh40SFRF Sch100-M S=56hRF0-

WN500-16 M S=12b)-108F0-95206 rfFMFh5 s10â

Bl200(B)-16 RFMjc280b=

pl50(a-6rf b9BB=50 K

PL50-16RF B=46 b=3 C=17 D=1

wn600-1