NB/T 47021  法兰 FM 000-1 scт‰Єб†т”Мб†т•Љ�

47021 FM000-1 scт‰Єб†т”Мб†т•Љ�

BL50B)-2.5RF5 TA=57 D=Sch40S fFF S15563165S RFfm s=12-f0B

BL100-150 RFRF Ⅱ S=600 RF C RJ2 S=4F-160fmF S�S=688 Sch48Sm012 Fhchmpa

WN100-2500RJ S=16δ0= δ1=10001™2 S= RF

lwn25-300rfhg/b)-4005-1 C=3=5