HG/T 20592  法兰盖 BL 10-63 M�¨ط�

BL10-63M�¨ط�

3 RF 500-2.5 δ0=5.2

SO50-150 RF

DN80/PN16/11B S=5.6

BL 2"-600 RF

WN25(B)-40 M S=3.5

BI 168

WN 200(B)-25 RF@LWN100

47021 C-RF500-0.6RF SCH406072100-16—&a

WN20(b)-1500rf6°0,hs=3.51.0/70-16р²00-0R5lF=1222.700RF10amaF@� F