HG/T 20592  法兰盖 BL 40-10 M0 Sc0 rj16

bl40-10m0 Sc0 rj16

SO 450-300 RFF SCH=4

WN 40(B)-63 RF S=

SO25B-25RF B=0F

WN100(B)-25RF S=4

WN40(B)-100M S=5

1 M 800-1.0 δs=10

WN50(A)-25 M S=4.50-1F/scM Sch4000RF-)-6FFrfch80230mpeqidS0/40

PL 1002(B)-16 RF

BL 80-16 RF��0=�1rf SS50050-0.6ch0-F0RF4