HG/T 20592  法兰 PL 20(B)-10 RF0F Sc0B-40R

PL20B)-10 RF0F Sc0B-40R

3 B5710

BL700-16RFffmR.0/5RF@Sb)m=4 D=175

SO 4"-150 RFtf=2

WN 4"-150 RF Sch7150=50

Bl150(B)-40 RF´çº�

a280F5FR-150

bl15-40t27RF

PL80(B)-16RF@Fj@5@F S640SR0F S0b Sch10S12RF B=22.4

WN 1100-150 RF S=2405RFScA4N RF