HG/T 20592  法兰盖 BL 40-10 RFSc5th0-32.

BL 40-10 RFSc5th0-32.

WN200-63 RF5l41O6mB)-1051r0S/Sc0 MS S=4.5S6RS

WN 20-300 RF RF S=100h4002 s=2.2 Sch4028

B WN 32"-300 RF B=Sc0246 a=199 s=1S=12/114 S= bb

3 RF 400-1.6 δ=60 h=27 H=115 δ0=12

DN100-PN16 PL RF

WN 200-150 RF S=36h60f/@bi 108mp5