HG/T 20592  法兰 PL 40-25 RF BSch153 b

pl 40(a)-25 rf BSch153 b

PL400(A)-6 RF S/1=1S40S6Р вҖҳРЎУ®Р’вҖўР’�

WN25(B)-160 RJ S=≥5S0rfF9 RF Sch80S2 c

WN 3"-150 RF S=11S=8.9-255 b=404105/ch30-

so40b-300 rf0SOtm

5 FF 1800-1.020δ0=14

PL500-16rfS=4mm=hS FMBLb

so250(b)