HG/T 20592  法兰 PL 65(B)-16 RF d=180

pl65(b)-16 rf d=180

BL 150-150 RFF1100 RFf s-F1=1@5@RFSchch40)-1@=1)

47021 C-M400-1.6

BII3200=18

BL 150-150 RFF1100 RFf s-F1=1@5@

WN100(B)-25RF

WN100-150RfhsFF

BL 150-150 RFF1

WN80-600 RJ SCH40

wn 40-16 rf f1=3=8180fm600(b)-16rf sc8S H=1946520/225 n