NB/T 47022  法兰 RF 400-1.6 δ1=10fb0

SW 25(B)-100 RF348h140 rh12F4

SO 250(B)-10 FMmp;ampampamp0ampampamp

2 RF 400-1.6 δ1=10fb0

JSO25X50(B)-16 RFF6l460eRF=70/

PL80(B)-10 RF00 SCH40ht1-)-M

DN600-PN16 BL RF ⅡMB=100)-16Frf5S=1(B)

WN100-150 RJ Sch160fm1200-

PL20b-16 RF50F-15 g010fmN15h602