HG/T 20592  法兰盖 BL 40-25 RF Î5A08-

BL40-25 RF Î5A08-

WN100-600RJS-h4

WN500-300 RF Sch0

SW25(A)-63 RF

SO 10"-150 RF

SO 2"-150 RF O=150

SO 450(B)-16 RF

IF 10-600 FMmpampa

lWN80-600RF/h00

DN 40-Sch40S 45E3D/F B=70RtmlF400(b);amp;1601 d1=15Рs33F┬F.02-=4.5-25 M4FRF BBδ1=6 PL