HG/T 20592  法兰 PL 150(B)-10 FFd=2 H=360sch40052.5Mb=3 D=24b)-

pl150(b)-10ffd=2 H=360sch40052.5Mb=3 D=24b)-

PL100(A)-10 RF b=300-1.6 S=41400-1.00 D=21

4 B6 DN=3000 δn=10 h=770

BL 80-150 RF

WN 80(B)-10 RF

WN15(b)-63RFFSO50.4 a=52.6�¢â83h40ⅡFRF-1/60-2101.0/2

PL100-16FF b=7 AA=9â=o6 �g206HCch

WN20-150RF